./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec4_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec4_product23.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 aa34593061e3e0a5eeea5cc3a3930a050ef50f60dff03c88799c643f69d7f641 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 17:13:58,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 17:13:58,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 17:13:58,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 17:13:58,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 17:13:58,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 17:13:58,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 17:13:58,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 17:13:58,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 17:13:58,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 17:13:58,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 17:13:58,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 17:13:58,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 17:13:58,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 17:13:58,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 17:13:58,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 17:13:58,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 17:13:58,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 17:13:58,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 17:13:58,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 17:13:58,851 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 17:13:58,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 17:13:58,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 17:13:58,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 17:13:58,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 17:13:58,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 17:13:58,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 17:13:58,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 17:13:58,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 17:13:58,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 17:13:58,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 17:13:58,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 17:13:58,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 17:13:58,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 17:13:58,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 17:13:58,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 17:13:58,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 17:13:58,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 17:13:58,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 17:13:58,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 17:13:58,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 17:13:58,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 17:13:58,870 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 17:13:58,885 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 17:13:58,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 17:13:58,885 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 17:13:58,885 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 17:13:58,886 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 17:13:58,886 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 17:13:58,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 17:13:58,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 17:13:58,887 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 17:13:58,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 17:13:58,888 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 17:13:58,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 17:13:58,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 17:13:58,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 17:13:58,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 17:13:58,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 17:13:58,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 17:13:58,889 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 17:13:58,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 17:13:58,890 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 17:13:58,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 17:13:58,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 17:13:58,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 17:13:58,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 17:13:58,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:13:58,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 17:13:58,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 17:13:58,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 17:13:58,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 17:13:58,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 17:13:58,892 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 17:13:58,892 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 17:13:58,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 17:13:58,893 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa34593061e3e0a5eeea5cc3a3930a050ef50f60dff03c88799c643f69d7f641 [2022-07-19 17:13:59,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 17:13:59,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 17:13:59,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 17:13:59,068 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 17:13:59,069 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 17:13:59,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product23.cil.c [2022-07-19 17:13:59,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f4c32186/a18b7f96e0a04a348ae4cb53db8e3f1d/FLAGb6d7ec8fe [2022-07-19 17:13:59,569 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 17:13:59,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product23.cil.c [2022-07-19 17:13:59,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f4c32186/a18b7f96e0a04a348ae4cb53db8e3f1d/FLAGb6d7ec8fe [2022-07-19 17:13:59,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f4c32186/a18b7f96e0a04a348ae4cb53db8e3f1d [2022-07-19 17:13:59,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 17:13:59,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 17:13:59,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 17:13:59,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 17:13:59,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 17:13:59,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:13:59" (1/1) ... [2022-07-19 17:13:59,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f72d8f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:13:59, skipping insertion in model container [2022-07-19 17:13:59,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:13:59" (1/1) ... [2022-07-19 17:13:59,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 17:13:59,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 17:14:00,043 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_product23.cil.c[63051,63064] [2022-07-19 17:14:00,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:14:00,052 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 17:14:00,117 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_product23.cil.c[63051,63064] [2022-07-19 17:14:00,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:14:00,149 INFO L208 MainTranslator]: Completed translation [2022-07-19 17:14:00,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:14:00 WrapperNode [2022-07-19 17:14:00,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 17:14:00,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 17:14:00,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 17:14:00,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 17:14:00,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:14:00" (1/1) ... [2022-07-19 17:14:00,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:14:00" (1/1) ... [2022-07-19 17:14:00,223 INFO L137 Inliner]: procedures = 130, calls = 218, calls flagged for inlining = 59, calls inlined = 52, statements flattened = 970 [2022-07-19 17:14:00,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 17:14:00,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 17:14:00,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 17:14:00,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 17:14:00,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:14:00" (1/1) ... [2022-07-19 17:14:00,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:14:00" (1/1) ... [2022-07-19 17:14:00,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:14:00" (1/1) ... [2022-07-19 17:14:00,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:14:00" (1/1) ... [2022-07-19 17:14:00,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:14:00" (1/1) ... [2022-07-19 17:14:00,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:14:00" (1/1) ... [2022-07-19 17:14:00,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:14:00" (1/1) ... [2022-07-19 17:14:00,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 17:14:00,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 17:14:00,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 17:14:00,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 17:14:00,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:14:00" (1/1) ... [2022-07-19 17:14:00,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:14:00,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:14:00,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 17:14:00,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 17:14:00,384 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2022-07-19 17:14:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2022-07-19 17:14:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-07-19 17:14:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-07-19 17:14:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-07-19 17:14:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-07-19 17:14:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-07-19 17:14:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-07-19 17:14:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2022-07-19 17:14:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2022-07-19 17:14:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-07-19 17:14:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-07-19 17:14:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-07-19 17:14:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-07-19 17:14:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-07-19 17:14:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-07-19 17:14:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-07-19 17:14:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-07-19 17:14:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-07-19 17:14:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-07-19 17:14:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-07-19 17:14:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-07-19 17:14:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-07-19 17:14:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-07-19 17:14:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-07-19 17:14:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 17:14:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-07-19 17:14:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-07-19 17:14:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-07-19 17:14:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-07-19 17:14:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-07-19 17:14:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-07-19 17:14:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-07-19 17:14:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-07-19 17:14:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-07-19 17:14:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-07-19 17:14:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-07-19 17:14:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-07-19 17:14:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-07-19 17:14:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-07-19 17:14:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-07-19 17:14:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-07-19 17:14:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 17:14:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-07-19 17:14:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-07-19 17:14:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-07-19 17:14:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-07-19 17:14:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 17:14:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 17:14:00,575 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 17:14:00,576 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 17:14:01,114 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 17:14:01,127 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 17:14:01,128 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-19 17:14:01,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:14:01 BoogieIcfgContainer [2022-07-19 17:14:01,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 17:14:01,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 17:14:01,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 17:14:01,133 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 17:14:01,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 05:13:59" (1/3) ... [2022-07-19 17:14:01,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca7de42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:14:01, skipping insertion in model container [2022-07-19 17:14:01,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:14:00" (2/3) ... [2022-07-19 17:14:01,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca7de42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:14:01, skipping insertion in model container [2022-07-19 17:14:01,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:14:01" (3/3) ... [2022-07-19 17:14:01,136 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec4_product23.cil.c [2022-07-19 17:14:01,145 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 17:14:01,145 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 17:14:01,185 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 17:14:01,189 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@7e00bf17, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4502c3f3 [2022-07-19 17:14:01,189 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 17:14:01,193 INFO L276 IsEmpty]: Start isEmpty. Operand has 369 states, 293 states have (on average 1.57679180887372) internal successors, (462), 296 states have internal predecessors, (462), 52 states have call successors, (52), 22 states have call predecessors, (52), 22 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2022-07-19 17:14:01,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-07-19 17:14:01,207 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:14:01,207 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] [2022-07-19 17:14:01,208 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:14:01,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:14:01,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1688231146, now seen corresponding path program 1 times [2022-07-19 17:14:01,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:14:01,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786312932] [2022-07-19 17:14:01,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:01,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:14:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:01,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:14:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:01,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:14:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:01,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:14:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:01,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:14:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:01,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-19 17:14:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:01,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-19 17:14:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:01,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-19 17:14:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:01,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 17:14:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:01,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-19 17:14:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:01,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-19 17:14:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:01,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-19 17:14:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:01,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-19 17:14:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:01,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-19 17:14:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:01,546 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-07-19 17:14:01,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:14:01,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786312932] [2022-07-19 17:14:01,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786312932] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:14:01,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376650408] [2022-07-19 17:14:01,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:01,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:14:01,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:14:01,549 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 17:14:01,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 17:14:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:01,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-19 17:14:01,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:14:01,848 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-19 17:14:01,848 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:14:01,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376650408] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:14:01,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:14:01,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2022-07-19 17:14:01,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438460285] [2022-07-19 17:14:01,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:14:01,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 17:14:01,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:14:01,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 17:14:01,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 17:14:01,873 INFO L87 Difference]: Start difference. First operand has 369 states, 293 states have (on average 1.57679180887372) internal successors, (462), 296 states have internal predecessors, (462), 52 states have call successors, (52), 22 states have call predecessors, (52), 22 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) 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) [2022-07-19 17:14:01,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:14:01,935 INFO L93 Difference]: Finished difference Result 545 states and 822 transitions. [2022-07-19 17:14:01,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 17:14:01,937 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 [2022-07-19 17:14:01,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:14:01,952 INFO L225 Difference]: With dead ends: 545 [2022-07-19 17:14:01,953 INFO L226 Difference]: Without dead ends: 362 [2022-07-19 17:14:01,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 17:14:01,965 INFO L413 NwaCegarLoop]: 562 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, 562 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:14:01,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:14:01,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-07-19 17:14:02,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2022-07-19 17:14:02,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 287 states have (on average 1.5714285714285714) internal successors, (451), 289 states have internal predecessors, (451), 52 states have call successors, (52), 22 states have call predecessors, (52), 22 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2022-07-19 17:14:02,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 554 transitions. [2022-07-19 17:14:02,034 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 554 transitions. Word has length 101 [2022-07-19 17:14:02,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:14:02,036 INFO L495 AbstractCegarLoop]: Abstraction has 362 states and 554 transitions. [2022-07-19 17:14:02,036 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) [2022-07-19 17:14:02,036 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 554 transitions. [2022-07-19 17:14:02,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-19 17:14:02,046 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:14:02,046 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:14:02,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 17:14:02,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-07-19 17:14:02,268 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:14:02,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:14:02,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1938769829, now seen corresponding path program 1 times [2022-07-19 17:14:02,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:14:02,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230468668] [2022-07-19 17:14:02,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:02,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:14:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:02,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:14:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:02,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:14:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:02,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:14:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:02,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:14:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:02,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-19 17:14:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:02,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-19 17:14:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:02,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-19 17:14:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:02,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-19 17:14:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:02,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 17:14:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:02,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 17:14:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:02,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-19 17:14:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:02,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-19 17:14:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:02,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-19 17:14:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:02,425 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-07-19 17:14:02,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:14:02,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230468668] [2022-07-19 17:14:02,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230468668] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:14:02,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978693025] [2022-07-19 17:14:02,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:02,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:14:02,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:14:02,428 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 17:14:02,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 17:14:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:02,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 17:14:02,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:14:02,667 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-19 17:14:02,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:14:02,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978693025] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:14:02,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:14:02,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-19 17:14:02,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835749190] [2022-07-19 17:14:02,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:14:02,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:14:02,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:14:02,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:14:02,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-19 17:14:02,671 INFO L87 Difference]: Start difference. First operand 362 states and 554 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) [2022-07-19 17:14:02,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:14:02,710 INFO L93 Difference]: Finished difference Result 535 states and 800 transitions. [2022-07-19 17:14:02,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:14:02,711 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 [2022-07-19 17:14:02,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:14:02,716 INFO L225 Difference]: With dead ends: 535 [2022-07-19 17:14:02,716 INFO L226 Difference]: Without dead ends: 365 [2022-07-19 17:14:02,717 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 [2022-07-19 17:14:02,718 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 1 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:14:02,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1102 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:14:02,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2022-07-19 17:14:02,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 364. [2022-07-19 17:14:02,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 289 states have (on average 1.5674740484429066) internal successors, (453), 291 states have internal predecessors, (453), 52 states have call successors, (52), 22 states have call predecessors, (52), 22 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2022-07-19 17:14:02,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 556 transitions. [2022-07-19 17:14:02,756 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 556 transitions. Word has length 102 [2022-07-19 17:14:02,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:14:02,758 INFO L495 AbstractCegarLoop]: Abstraction has 364 states and 556 transitions. [2022-07-19 17:14:02,758 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) [2022-07-19 17:14:02,758 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 556 transitions. [2022-07-19 17:14:02,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-19 17:14:02,762 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:14:02,763 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:14:02,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-19 17:14:02,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-07-19 17:14:02,976 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:14:02,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:14:02,976 INFO L85 PathProgramCache]: Analyzing trace with hash -275861121, now seen corresponding path program 1 times [2022-07-19 17:14:02,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:14:02,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486064509] [2022-07-19 17:14:02,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:02,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:14:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:14:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:14:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:14:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:14:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-19 17:14:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-19 17:14:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-19 17:14:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 17:14:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 17:14:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-19 17:14:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-19 17:14:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-19 17:14:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-19 17:14:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,121 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-19 17:14:03,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:14:03,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486064509] [2022-07-19 17:14:03,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486064509] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:14:03,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012466954] [2022-07-19 17:14:03,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:03,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:14:03,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:14:03,124 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 17:14:03,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-19 17:14:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 17:14:03,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:14:03,356 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-19 17:14:03,356 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:14:03,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2012466954] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:14:03,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:14:03,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-19 17:14:03,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693265796] [2022-07-19 17:14:03,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:14:03,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:14:03,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:14:03,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:14:03,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-19 17:14:03,358 INFO L87 Difference]: Start difference. First operand 364 states and 556 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-19 17:14:03,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:14:03,376 INFO L93 Difference]: Finished difference Result 776 states and 1204 transitions. [2022-07-19 17:14:03,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:14:03,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 111 [2022-07-19 17:14:03,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:14:03,379 INFO L225 Difference]: With dead ends: 776 [2022-07-19 17:14:03,379 INFO L226 Difference]: Without dead ends: 439 [2022-07-19 17:14:03,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-19 17:14:03,381 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 134 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:14:03,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1078 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:14:03,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2022-07-19 17:14:03,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 431. [2022-07-19 17:14:03,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 342 states have (on average 1.5847953216374269) internal successors, (542), 344 states have internal predecessors, (542), 66 states have call successors, (66), 22 states have call predecessors, (66), 22 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2022-07-19 17:14:03,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 673 transitions. [2022-07-19 17:14:03,397 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 673 transitions. Word has length 111 [2022-07-19 17:14:03,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:14:03,397 INFO L495 AbstractCegarLoop]: Abstraction has 431 states and 673 transitions. [2022-07-19 17:14:03,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-19 17:14:03,397 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 673 transitions. [2022-07-19 17:14:03,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-19 17:14:03,399 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:14:03,399 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:14:03,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-07-19 17:14:03,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:14:03,616 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:14:03,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:14:03,616 INFO L85 PathProgramCache]: Analyzing trace with hash 503398376, now seen corresponding path program 1 times [2022-07-19 17:14:03,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:14:03,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535319333] [2022-07-19 17:14:03,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:03,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:14:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:14:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:14:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:14:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:14:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-19 17:14:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-19 17:14:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-19 17:14:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 17:14:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-19 17:14:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-19 17:14:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-19 17:14:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-19 17:14:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-19 17:14:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,718 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-19 17:14:03,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:14:03,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535319333] [2022-07-19 17:14:03,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535319333] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:14:03,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494996233] [2022-07-19 17:14:03,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:03,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:14:03,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:14:03,720 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 17:14:03,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-19 17:14:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:03,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 1073 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-19 17:14:03,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:14:03,967 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-19 17:14:03,967 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:14:03,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494996233] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:14:03,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:14:03,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-07-19 17:14:03,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121106309] [2022-07-19 17:14:03,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:14:03,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:14:03,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:14:03,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:14:03,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-19 17:14:03,969 INFO L87 Difference]: Start difference. First operand 431 states and 673 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-19 17:14:04,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:14:04,025 INFO L93 Difference]: Finished difference Result 853 states and 1336 transitions. [2022-07-19 17:14:04,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 17:14:04,025 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 112 [2022-07-19 17:14:04,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:14:04,027 INFO L225 Difference]: With dead ends: 853 [2022-07-19 17:14:04,027 INFO L226 Difference]: Without dead ends: 433 [2022-07-19 17:14:04,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:14:04,029 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 152 mSDsluCounter, 1460 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 2005 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:14:04,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 2005 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:14:04,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2022-07-19 17:14:04,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2022-07-19 17:14:04,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 343 states have (on average 1.5830903790087463) internal successors, (543), 346 states have internal predecessors, (543), 66 states have call successors, (66), 22 states have call predecessors, (66), 23 states have return successors, (67), 64 states have call predecessors, (67), 65 states have call successors, (67) [2022-07-19 17:14:04,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 676 transitions. [2022-07-19 17:14:04,042 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 676 transitions. Word has length 112 [2022-07-19 17:14:04,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:14:04,043 INFO L495 AbstractCegarLoop]: Abstraction has 433 states and 676 transitions. [2022-07-19 17:14:04,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-19 17:14:04,043 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 676 transitions. [2022-07-19 17:14:04,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-19 17:14:04,044 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:14:04,045 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:14:04,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-19 17:14:04,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:14:04,255 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:14:04,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:14:04,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1792357061, now seen corresponding path program 1 times [2022-07-19 17:14:04,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:14:04,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625652476] [2022-07-19 17:14:04,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:04,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:14:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:14:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:14:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:14:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:14:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-19 17:14:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-19 17:14:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-19 17:14:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 17:14:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-19 17:14:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-19 17:14:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-19 17:14:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 17:14:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-19 17:14:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,356 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-19 17:14:04,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:14:04,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625652476] [2022-07-19 17:14:04,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625652476] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:14:04,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148707890] [2022-07-19 17:14:04,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:04,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:14:04,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:14:04,358 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 17:14:04,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-19 17:14:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-19 17:14:04,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:14:04,611 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-19 17:14:04,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:14:04,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148707890] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:14:04,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:14:04,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2022-07-19 17:14:04,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572224888] [2022-07-19 17:14:04,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:14:04,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:14:04,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:14:04,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:14:04,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-07-19 17:14:04,613 INFO L87 Difference]: Start difference. First operand 433 states and 676 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-19 17:14:04,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:14:04,661 INFO L93 Difference]: Finished difference Result 855 states and 1341 transitions. [2022-07-19 17:14:04,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 17:14:04,662 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 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 113 [2022-07-19 17:14:04,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:14:04,664 INFO L225 Difference]: With dead ends: 855 [2022-07-19 17:14:04,664 INFO L226 Difference]: Without dead ends: 435 [2022-07-19 17:14:04,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-07-19 17:14:04,666 INFO L413 NwaCegarLoop]: 543 mSDtfsCounter, 151 mSDsluCounter, 1451 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 1994 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:14:04,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 1994 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:14:04,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2022-07-19 17:14:04,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2022-07-19 17:14:04,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 344 states have (on average 1.5813953488372092) internal successors, (544), 348 states have internal predecessors, (544), 66 states have call successors, (66), 22 states have call predecessors, (66), 24 states have return successors, (72), 64 states have call predecessors, (72), 65 states have call successors, (72) [2022-07-19 17:14:04,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 682 transitions. [2022-07-19 17:14:04,680 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 682 transitions. Word has length 113 [2022-07-19 17:14:04,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:14:04,680 INFO L495 AbstractCegarLoop]: Abstraction has 435 states and 682 transitions. [2022-07-19 17:14:04,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-19 17:14:04,681 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 682 transitions. [2022-07-19 17:14:04,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-19 17:14:04,682 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:14:04,682 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:14:04,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-19 17:14:04,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:14:04,903 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:14:04,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:14:04,903 INFO L85 PathProgramCache]: Analyzing trace with hash 641723540, now seen corresponding path program 1 times [2022-07-19 17:14:04,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:14:04,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516269159] [2022-07-19 17:14:04,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:04,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:14:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:14:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:14:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:14:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:14:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:14:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 17:14:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-19 17:14:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-19 17:14:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-19 17:14:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 17:14:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-19 17:14:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-19 17:14:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:04,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-19 17:14:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:05,011 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-19 17:14:05,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:14:05,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516269159] [2022-07-19 17:14:05,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516269159] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:14:05,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:14:05,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 17:14:05,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830775403] [2022-07-19 17:14:05,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:14:05,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 17:14:05,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:14:05,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 17:14:05,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 17:14:05,013 INFO L87 Difference]: Start difference. First operand 435 states and 682 transitions. Second operand has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-19 17:14:06,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:14:06,407 INFO L93 Difference]: Finished difference Result 970 states and 1546 transitions. [2022-07-19 17:14:06,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 17:14:06,407 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 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 114 [2022-07-19 17:14:06,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:14:06,411 INFO L225 Difference]: With dead ends: 970 [2022-07-19 17:14:06,411 INFO L226 Difference]: Without dead ends: 558 [2022-07-19 17:14:06,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-07-19 17:14:06,413 INFO L413 NwaCegarLoop]: 626 mSDtfsCounter, 1349 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 2017 mSolverCounterSat, 448 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1369 SdHoareTripleChecker+Valid, 1611 SdHoareTripleChecker+Invalid, 2465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 448 IncrementalHoareTripleChecker+Valid, 2017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:14:06,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1369 Valid, 1611 Invalid, 2465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [448 Valid, 2017 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-19 17:14:06,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2022-07-19 17:14:06,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 435. [2022-07-19 17:14:06,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 344 states have (on average 1.5813953488372092) internal successors, (544), 348 states have internal predecessors, (544), 66 states have call successors, (66), 22 states have call predecessors, (66), 24 states have return successors, (71), 64 states have call predecessors, (71), 65 states have call successors, (71) [2022-07-19 17:14:06,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 681 transitions. [2022-07-19 17:14:06,443 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 681 transitions. Word has length 114 [2022-07-19 17:14:06,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:14:06,444 INFO L495 AbstractCegarLoop]: Abstraction has 435 states and 681 transitions. [2022-07-19 17:14:06,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-19 17:14:06,444 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 681 transitions. [2022-07-19 17:14:06,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-19 17:14:06,446 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:14:06,446 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:14:06,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 17:14:06,446 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:14:06,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:14:06,447 INFO L85 PathProgramCache]: Analyzing trace with hash 890985033, now seen corresponding path program 2 times [2022-07-19 17:14:06,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:14:06,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819097859] [2022-07-19 17:14:06,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:06,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:14:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:06,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:14:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:06,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:14:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:06,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:14:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:06,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:14:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:06,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:14:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:06,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-19 17:14:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:06,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-19 17:14:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:06,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-19 17:14:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:06,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-19 17:14:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:06,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-19 17:14:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:06,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-19 17:14:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:06,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-19 17:14:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:06,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-19 17:14:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:06,526 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-19 17:14:06,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:14:06,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819097859] [2022-07-19 17:14:06,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819097859] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:14:06,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:14:06,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 17:14:06,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792506786] [2022-07-19 17:14:06,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:14:06,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 17:14:06,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:14:06,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 17:14:06,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 17:14:06,529 INFO L87 Difference]: Start difference. First operand 435 states and 681 transitions. Second operand has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-19 17:14:07,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:14:07,913 INFO L93 Difference]: Finished difference Result 972 states and 1549 transitions. [2022-07-19 17:14:07,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 17:14:07,914 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 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 115 [2022-07-19 17:14:07,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:14:07,918 INFO L225 Difference]: With dead ends: 972 [2022-07-19 17:14:07,918 INFO L226 Difference]: Without dead ends: 560 [2022-07-19 17:14:07,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-07-19 17:14:07,920 INFO L413 NwaCegarLoop]: 624 mSDtfsCounter, 1347 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 2018 mSolverCounterSat, 449 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1368 SdHoareTripleChecker+Valid, 1609 SdHoareTripleChecker+Invalid, 2467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 449 IncrementalHoareTripleChecker+Valid, 2018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:14:07,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1368 Valid, 1609 Invalid, 2467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [449 Valid, 2018 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-19 17:14:07,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2022-07-19 17:14:07,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 437. [2022-07-19 17:14:07,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 345 states have (on average 1.5797101449275361) internal successors, (545), 350 states have internal predecessors, (545), 66 states have call successors, (66), 22 states have call predecessors, (66), 25 states have return successors, (73), 64 states have call predecessors, (73), 65 states have call successors, (73) [2022-07-19 17:14:07,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 684 transitions. [2022-07-19 17:14:07,939 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 684 transitions. Word has length 115 [2022-07-19 17:14:07,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:14:07,940 INFO L495 AbstractCegarLoop]: Abstraction has 437 states and 684 transitions. [2022-07-19 17:14:07,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-19 17:14:07,940 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 684 transitions. [2022-07-19 17:14:07,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-19 17:14:07,941 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:14:07,942 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:14:07,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 17:14:07,942 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:14:07,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:14:07,942 INFO L85 PathProgramCache]: Analyzing trace with hash 324365389, now seen corresponding path program 1 times [2022-07-19 17:14:07,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:14:07,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556417019] [2022-07-19 17:14:07,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:07,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:14:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:07,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:14:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:07,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:14:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:07,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:14:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:08,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:14:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:08,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:14:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:08,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:14:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:08,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 17:14:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:08,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-19 17:14:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:08,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 17:14:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:08,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-19 17:14:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:08,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-19 17:14:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:08,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-19 17:14:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:08,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-19 17:14:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:08,048 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-19 17:14:08,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:14:08,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556417019] [2022-07-19 17:14:08,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556417019] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:14:08,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:14:08,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 17:14:08,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306242119] [2022-07-19 17:14:08,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:14:08,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 17:14:08,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:14:08,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 17:14:08,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 17:14:08,050 INFO L87 Difference]: Start difference. First operand 437 states and 684 transitions. Second operand has 9 states, 8 states have (on average 9.125) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-19 17:14:09,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:14:09,422 INFO L93 Difference]: Finished difference Result 972 states and 1548 transitions. [2022-07-19 17:14:09,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-19 17:14:09,423 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 5 states have internal predecessors, (73), 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 116 [2022-07-19 17:14:09,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:14:09,428 INFO L225 Difference]: With dead ends: 972 [2022-07-19 17:14:09,428 INFO L226 Difference]: Without dead ends: 560 [2022-07-19 17:14:09,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2022-07-19 17:14:09,430 INFO L413 NwaCegarLoop]: 623 mSDtfsCounter, 1349 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 2001 mSolverCounterSat, 447 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1370 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 2448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 447 IncrementalHoareTripleChecker+Valid, 2001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:14:09,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1370 Valid, 1608 Invalid, 2448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [447 Valid, 2001 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-19 17:14:09,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2022-07-19 17:14:09,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 437. [2022-07-19 17:14:09,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 345 states have (on average 1.5797101449275361) internal successors, (545), 350 states have internal predecessors, (545), 66 states have call successors, (66), 22 states have call predecessors, (66), 25 states have return successors, (73), 64 states have call predecessors, (73), 65 states have call successors, (73) [2022-07-19 17:14:09,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 684 transitions. [2022-07-19 17:14:09,472 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 684 transitions. Word has length 116 [2022-07-19 17:14:09,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:14:09,472 INFO L495 AbstractCegarLoop]: Abstraction has 437 states and 684 transitions. [2022-07-19 17:14:09,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-19 17:14:09,473 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 684 transitions. [2022-07-19 17:14:09,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-19 17:14:09,475 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:14:09,475 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:14:09,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 17:14:09,475 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:14:09,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:14:09,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1466867855, now seen corresponding path program 1 times [2022-07-19 17:14:09,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:14:09,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507555250] [2022-07-19 17:14:09,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:09,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:14:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:09,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:14:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:09,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:14:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:09,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:14:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:09,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:14:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:09,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:14:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:09,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:14:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:09,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 17:14:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:09,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-19 17:14:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:09,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 17:14:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:09,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-19 17:14:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:09,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-19 17:14:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:09,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-19 17:14:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:09,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-19 17:14:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:09,601 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-19 17:14:09,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:14:09,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507555250] [2022-07-19 17:14:09,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507555250] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:14:09,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:14:09,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-19 17:14:09,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643394395] [2022-07-19 17:14:09,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:14:09,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 17:14:09,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:14:09,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 17:14:09,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-19 17:14:09,603 INFO L87 Difference]: Start difference. First operand 437 states and 684 transitions. Second operand has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2022-07-19 17:14:11,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:14:11,439 INFO L93 Difference]: Finished difference Result 970 states and 1543 transitions. [2022-07-19 17:14:11,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-19 17:14:11,439 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 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 116 [2022-07-19 17:14:11,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:14:11,443 INFO L225 Difference]: With dead ends: 970 [2022-07-19 17:14:11,443 INFO L226 Difference]: Without dead ends: 560 [2022-07-19 17:14:11,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-07-19 17:14:11,446 INFO L413 NwaCegarLoop]: 613 mSDtfsCounter, 1485 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 3658 mSolverCounterSat, 502 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1485 SdHoareTripleChecker+Valid, 1971 SdHoareTripleChecker+Invalid, 4160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 502 IncrementalHoareTripleChecker+Valid, 3658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-19 17:14:11,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1485 Valid, 1971 Invalid, 4160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [502 Valid, 3658 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-19 17:14:11,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2022-07-19 17:14:11,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 437. [2022-07-19 17:14:11,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 345 states have (on average 1.5797101449275361) internal successors, (545), 350 states have internal predecessors, (545), 66 states have call successors, (66), 22 states have call predecessors, (66), 25 states have return successors, (72), 64 states have call predecessors, (72), 65 states have call successors, (72) [2022-07-19 17:14:11,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 683 transitions. [2022-07-19 17:14:11,476 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 683 transitions. Word has length 116 [2022-07-19 17:14:11,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:14:11,477 INFO L495 AbstractCegarLoop]: Abstraction has 437 states and 683 transitions. [2022-07-19 17:14:11,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2022-07-19 17:14:11,477 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 683 transitions. [2022-07-19 17:14:11,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-19 17:14:11,479 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:14:11,479 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:14:11,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-19 17:14:11,479 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:14:11,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:14:11,480 INFO L85 PathProgramCache]: Analyzing trace with hash 362066878, now seen corresponding path program 2 times [2022-07-19 17:14:11,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:14:11,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395517672] [2022-07-19 17:14:11,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:11,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:14:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:11,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:14:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:11,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:14:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:11,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:14:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:11,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:14:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:11,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:14:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:11,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:14:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:11,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 17:14:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:11,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 17:14:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:11,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 17:14:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:11,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-19 17:14:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:11,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-19 17:14:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:11,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-19 17:14:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:11,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-19 17:14:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:11,589 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-19 17:14:11,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:14:11,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395517672] [2022-07-19 17:14:11,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395517672] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:14:11,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:14:11,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-19 17:14:11,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735755561] [2022-07-19 17:14:11,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:14:11,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 17:14:11,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:14:11,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 17:14:11,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-19 17:14:11,591 INFO L87 Difference]: Start difference. First operand 437 states and 683 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2022-07-19 17:14:13,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:14:13,317 INFO L93 Difference]: Finished difference Result 972 states and 1549 transitions. [2022-07-19 17:14:13,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-19 17:14:13,318 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 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 117 [2022-07-19 17:14:13,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:14:13,320 INFO L225 Difference]: With dead ends: 972 [2022-07-19 17:14:13,321 INFO L226 Difference]: Without dead ends: 562 [2022-07-19 17:14:13,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-07-19 17:14:13,322 INFO L413 NwaCegarLoop]: 614 mSDtfsCounter, 1480 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 3682 mSolverCounterSat, 503 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1480 SdHoareTripleChecker+Valid, 1972 SdHoareTripleChecker+Invalid, 4185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 503 IncrementalHoareTripleChecker+Valid, 3682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 17:14:13,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1480 Valid, 1972 Invalid, 4185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [503 Valid, 3682 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 17:14:13,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2022-07-19 17:14:13,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 439. [2022-07-19 17:14:13,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 346 states have (on average 1.5780346820809248) internal successors, (546), 352 states have internal predecessors, (546), 66 states have call successors, (66), 22 states have call predecessors, (66), 26 states have return successors, (77), 64 states have call predecessors, (77), 65 states have call successors, (77) [2022-07-19 17:14:13,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 689 transitions. [2022-07-19 17:14:13,338 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 689 transitions. Word has length 117 [2022-07-19 17:14:13,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:14:13,339 INFO L495 AbstractCegarLoop]: Abstraction has 439 states and 689 transitions. [2022-07-19 17:14:13,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2022-07-19 17:14:13,339 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 689 transitions. [2022-07-19 17:14:13,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-19 17:14:13,340 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:14:13,340 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:14:13,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-19 17:14:13,341 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:14:13,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:14:13,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1603935222, now seen corresponding path program 1 times [2022-07-19 17:14:13,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:14:13,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446007105] [2022-07-19 17:14:13,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:13,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:14:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:13,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:14:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:13,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:14:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:13,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:14:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:13,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:14:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:13,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:14:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:13,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:14:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:13,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 17:14:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:13,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-19 17:14:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:13,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-19 17:14:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:13,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-19 17:14:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:13,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-19 17:14:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:13,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-19 17:14:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:13,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-19 17:14:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:13,451 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-19 17:14:13,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:14:13,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446007105] [2022-07-19 17:14:13,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446007105] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:14:13,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550702888] [2022-07-19 17:14:13,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:13,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:14:13,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:14:13,453 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 17:14:13,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-19 17:14:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:13,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 1079 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 17:14:13,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:14:13,688 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:14:13,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 17:14:13,759 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:14:13,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550702888] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 17:14:13,759 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 17:14:13,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2022-07-19 17:14:13,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024885031] [2022-07-19 17:14:13,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 17:14:13,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-19 17:14:13,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:14:13,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-19 17:14:13,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-07-19 17:14:13,761 INFO L87 Difference]: Start difference. First operand 439 states and 689 transitions. Second operand has 15 states, 14 states have (on average 9.071428571428571) internal successors, (127), 11 states have internal predecessors, (127), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2022-07-19 17:14:16,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:14:16,342 INFO L93 Difference]: Finished difference Result 1831 states and 3107 transitions. [2022-07-19 17:14:16,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-19 17:14:16,344 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.071428571428571) internal successors, (127), 11 states have internal predecessors, (127), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 118 [2022-07-19 17:14:16,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:14:16,350 INFO L225 Difference]: With dead ends: 1831 [2022-07-19 17:14:16,350 INFO L226 Difference]: Without dead ends: 1423 [2022-07-19 17:14:16,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=181, Invalid=811, Unknown=0, NotChecked=0, Total=992 [2022-07-19 17:14:16,352 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 3297 mSDsluCounter, 3219 mSDsCounter, 0 mSdLazyCounter, 4622 mSolverCounterSat, 1294 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3299 SdHoareTripleChecker+Valid, 4026 SdHoareTripleChecker+Invalid, 5916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1294 IncrementalHoareTripleChecker+Valid, 4622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-19 17:14:16,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3299 Valid, 4026 Invalid, 5916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1294 Valid, 4622 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-19 17:14:16,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1423 states. [2022-07-19 17:14:16,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1423 to 857. [2022-07-19 17:14:16,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 685 states have (on average 1.6233576642335767) internal successors, (1112), 691 states have internal predecessors, (1112), 145 states have call successors, (145), 22 states have call predecessors, (145), 26 states have return successors, (166), 143 states have call predecessors, (166), 144 states have call successors, (166) [2022-07-19 17:14:16,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1423 transitions. [2022-07-19 17:14:16,392 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1423 transitions. Word has length 118 [2022-07-19 17:14:16,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:14:16,393 INFO L495 AbstractCegarLoop]: Abstraction has 857 states and 1423 transitions. [2022-07-19 17:14:16,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.071428571428571) internal successors, (127), 11 states have internal predecessors, (127), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2022-07-19 17:14:16,393 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1423 transitions. [2022-07-19 17:14:16,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-19 17:14:16,396 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:14:16,396 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] [2022-07-19 17:14:16,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-19 17:14:16,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:14:16,607 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:14:16,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:14:16,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1520542570, now seen corresponding path program 1 times [2022-07-19 17:14:16,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:14:16,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054571751] [2022-07-19 17:14:16,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:16,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:14:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:16,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:14:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:16,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:14:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:16,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:14:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:16,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:14:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:16,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:14:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:16,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:14:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:16,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-19 17:14:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:16,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-19 17:14:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:16,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-19 17:14:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:16,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 17:14:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:16,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-19 17:14:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:16,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-19 17:14:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:16,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-19 17:14:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:16,667 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:14:16,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:14:16,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054571751] [2022-07-19 17:14:16,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054571751] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:14:16,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:14:16,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:14:16,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851826222] [2022-07-19 17:14:16,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:14:16,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:14:16,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:14:16,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:14:16,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:14:16,670 INFO L87 Difference]: Start difference. First operand 857 states and 1423 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) [2022-07-19 17:14:17,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:14:17,737 INFO L93 Difference]: Finished difference Result 2157 states and 3675 transitions. [2022-07-19 17:14:17,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:14:17,737 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 [2022-07-19 17:14:17,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:14:17,743 INFO L225 Difference]: With dead ends: 2157 [2022-07-19 17:14:17,743 INFO L226 Difference]: Without dead ends: 1378 [2022-07-19 17:14:17,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:14:17,746 INFO L413 NwaCegarLoop]: 666 mSDtfsCounter, 1342 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 1048 mSolverCounterSat, 507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1360 SdHoareTripleChecker+Valid, 1460 SdHoareTripleChecker+Invalid, 1555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 507 IncrementalHoareTripleChecker+Valid, 1048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-19 17:14:17,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1360 Valid, 1460 Invalid, 1555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [507 Valid, 1048 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-19 17:14:17,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1378 states. [2022-07-19 17:14:17,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1378 to 1247. [2022-07-19 17:14:17,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 996 states have (on average 1.6385542168674698) internal successors, (1632), 1002 states have internal predecessors, (1632), 224 states have call successors, (224), 22 states have call predecessors, (224), 26 states have return successors, (255), 222 states have call predecessors, (255), 223 states have call successors, (255) [2022-07-19 17:14:17,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 2111 transitions. [2022-07-19 17:14:17,816 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 2111 transitions. Word has length 121 [2022-07-19 17:14:17,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:14:17,816 INFO L495 AbstractCegarLoop]: Abstraction has 1247 states and 2111 transitions. [2022-07-19 17:14:17,816 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) [2022-07-19 17:14:17,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 2111 transitions. [2022-07-19 17:14:17,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-19 17:14:17,821 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:14:17,821 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:14:17,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-19 17:14:17,821 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:14:17,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:14:17,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1353879110, now seen corresponding path program 1 times [2022-07-19 17:14:17,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:14:17,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120841514] [2022-07-19 17:14:17,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:17,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:14:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:17,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:14:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:17,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:14:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:17,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:14:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:17,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:14:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:17,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:14:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:17,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:14:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:17,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 17:14:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:17,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-19 17:14:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:17,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 17:14:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:17,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-19 17:14:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:17,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-19 17:14:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:17,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-19 17:14:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:17,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-19 17:14:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:17,886 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:14:17,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:14:17,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120841514] [2022-07-19 17:14:17,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120841514] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:14:17,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:14:17,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:14:17,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234373994] [2022-07-19 17:14:17,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:14:17,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:14:17,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:14:17,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:14:17,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:14:17,888 INFO L87 Difference]: Start difference. First operand 1247 states and 2111 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-19 17:14:18,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:14:18,899 INFO L93 Difference]: Finished difference Result 3131 states and 5384 transitions. [2022-07-19 17:14:18,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:14:18,899 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 122 [2022-07-19 17:14:18,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:14:18,907 INFO L225 Difference]: With dead ends: 3131 [2022-07-19 17:14:18,907 INFO L226 Difference]: Without dead ends: 2015 [2022-07-19 17:14:18,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:14:18,910 INFO L413 NwaCegarLoop]: 653 mSDtfsCounter, 1341 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 525 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1360 SdHoareTripleChecker+Valid, 1423 SdHoareTripleChecker+Invalid, 1548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 525 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 17:14:18,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1360 Valid, 1423 Invalid, 1548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [525 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 17:14:18,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2015 states. [2022-07-19 17:14:18,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2015 to 1884. [2022-07-19 17:14:18,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1884 states, 1514 states have (on average 1.6446499339498017) internal successors, (2490), 1520 states have internal predecessors, (2490), 343 states have call successors, (343), 22 states have call predecessors, (343), 26 states have return successors, (374), 341 states have call predecessors, (374), 342 states have call successors, (374) [2022-07-19 17:14:18,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1884 states to 1884 states and 3207 transitions. [2022-07-19 17:14:18,991 INFO L78 Accepts]: Start accepts. Automaton has 1884 states and 3207 transitions. Word has length 122 [2022-07-19 17:14:18,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:14:18,991 INFO L495 AbstractCegarLoop]: Abstraction has 1884 states and 3207 transitions. [2022-07-19 17:14:18,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-19 17:14:18,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 3207 transitions. [2022-07-19 17:14:18,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-19 17:14:18,997 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:14:18,998 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:14:18,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-19 17:14:18,998 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:14:18,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:14:18,998 INFO L85 PathProgramCache]: Analyzing trace with hash -274204956, now seen corresponding path program 1 times [2022-07-19 17:14:18,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:14:18,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416951151] [2022-07-19 17:14:18,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:18,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:14:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:19,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:14:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:19,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:14:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:19,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:14:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:19,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:14:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:19,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:14:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:19,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:14:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:19,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-19 17:14:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:19,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-19 17:14:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:19,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-19 17:14:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:19,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-19 17:14:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:19,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-19 17:14:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:19,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-19 17:14:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:19,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-19 17:14:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:19,059 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:14:19,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:14:19,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416951151] [2022-07-19 17:14:19,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416951151] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:14:19,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:14:19,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:14:19,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207048504] [2022-07-19 17:14:19,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:14:19,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:14:19,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:14:19,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:14:19,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:14:19,070 INFO L87 Difference]: Start difference. First operand 1884 states and 3207 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-19 17:14:20,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:14:20,187 INFO L93 Difference]: Finished difference Result 4611 states and 7995 transitions. [2022-07-19 17:14:20,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:14:20,187 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 123 [2022-07-19 17:14:20,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:14:20,198 INFO L225 Difference]: With dead ends: 4611 [2022-07-19 17:14:20,198 INFO L226 Difference]: Without dead ends: 2993 [2022-07-19 17:14:20,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:14:20,202 INFO L413 NwaCegarLoop]: 658 mSDtfsCounter, 1334 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 1048 mSolverCounterSat, 495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1352 SdHoareTripleChecker+Valid, 1423 SdHoareTripleChecker+Invalid, 1543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 495 IncrementalHoareTripleChecker+Valid, 1048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-19 17:14:20,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1352 Valid, 1423 Invalid, 1543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [495 Valid, 1048 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-19 17:14:20,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2022-07-19 17:14:20,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 2862. [2022-07-19 17:14:20,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2862 states, 2330 states have (on average 1.6497854077253218) internal successors, (3844), 2336 states have internal predecessors, (3844), 505 states have call successors, (505), 22 states have call predecessors, (505), 26 states have return successors, (552), 503 states have call predecessors, (552), 504 states have call successors, (552) [2022-07-19 17:14:20,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2862 states to 2862 states and 4901 transitions. [2022-07-19 17:14:20,324 INFO L78 Accepts]: Start accepts. Automaton has 2862 states and 4901 transitions. Word has length 123 [2022-07-19 17:14:20,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:14:20,325 INFO L495 AbstractCegarLoop]: Abstraction has 2862 states and 4901 transitions. [2022-07-19 17:14:20,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-19 17:14:20,325 INFO L276 IsEmpty]: Start isEmpty. Operand 2862 states and 4901 transitions. [2022-07-19 17:14:20,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-19 17:14:20,332 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:14:20,332 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:14:20,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-19 17:14:20,333 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:14:20,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:14:20,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1631697881, now seen corresponding path program 1 times [2022-07-19 17:14:20,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:14:20,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142421285] [2022-07-19 17:14:20,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:20,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:14:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:20,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:14:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:20,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:14:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:20,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:14:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:20,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:14:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:20,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:14:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:20,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:14:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:20,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 17:14:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:20,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-19 17:14:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:20,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-19 17:14:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:20,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-19 17:14:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:20,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-19 17:14:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:20,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-19 17:14:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:20,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-19 17:14:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:20,413 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:14:20,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:14:20,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142421285] [2022-07-19 17:14:20,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142421285] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:14:20,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:14:20,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:14:20,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024109547] [2022-07-19 17:14:20,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:14:20,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:14:20,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:14:20,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:14:20,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:14:20,415 INFO L87 Difference]: Start difference. First operand 2862 states and 4901 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-19 17:14:21,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:14:21,529 INFO L93 Difference]: Finished difference Result 6950 states and 12130 transitions. [2022-07-19 17:14:21,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:14:21,530 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 124 [2022-07-19 17:14:21,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:14:21,548 INFO L225 Difference]: With dead ends: 6950 [2022-07-19 17:14:21,549 INFO L226 Difference]: Without dead ends: 4573 [2022-07-19 17:14:21,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:14:21,555 INFO L413 NwaCegarLoop]: 649 mSDtfsCounter, 1338 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 503 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1357 SdHoareTripleChecker+Valid, 1414 SdHoareTripleChecker+Invalid, 1527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 503 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-19 17:14:21,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1357 Valid, 1414 Invalid, 1527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [503 Valid, 1024 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-19 17:14:21,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4573 states. [2022-07-19 17:14:21,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4573 to 4442. [2022-07-19 17:14:21,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4442 states, 3665 states have (on average 1.6534788540245566) internal successors, (6060), 3671 states have internal predecessors, (6060), 750 states have call successors, (750), 22 states have call predecessors, (750), 26 states have return successors, (823), 748 states have call predecessors, (823), 749 states have call successors, (823) [2022-07-19 17:14:21,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4442 states to 4442 states and 7633 transitions. [2022-07-19 17:14:21,773 INFO L78 Accepts]: Start accepts. Automaton has 4442 states and 7633 transitions. Word has length 124 [2022-07-19 17:14:21,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:14:21,773 INFO L495 AbstractCegarLoop]: Abstraction has 4442 states and 7633 transitions. [2022-07-19 17:14:21,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-19 17:14:21,774 INFO L276 IsEmpty]: Start isEmpty. Operand 4442 states and 7633 transitions. [2022-07-19 17:14:21,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-07-19 17:14:21,783 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:14:21,783 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:14:21,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-19 17:14:21,783 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:14:21,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:14:21,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1176784224, now seen corresponding path program 1 times [2022-07-19 17:14:21,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:14:21,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740703255] [2022-07-19 17:14:21,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:21,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:14:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:21,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:14:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:21,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:14:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:21,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:14:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:21,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:14:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:21,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:14:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:21,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:14:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:21,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 17:14:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:21,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 17:14:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:21,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-19 17:14:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:21,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-19 17:14:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:21,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-19 17:14:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:21,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-19 17:14:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:21,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-19 17:14:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:21,848 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:14:21,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:14:21,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740703255] [2022-07-19 17:14:21,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740703255] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:14:21,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:14:21,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:14:21,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517404667] [2022-07-19 17:14:21,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:14:21,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:14:21,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:14:21,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:14:21,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:14:21,850 INFO L87 Difference]: Start difference. First operand 4442 states and 7633 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-19 17:14:23,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:14:23,122 INFO L93 Difference]: Finished difference Result 11121 states and 19459 transitions. [2022-07-19 17:14:23,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:14:23,123 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 125 [2022-07-19 17:14:23,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:14:23,153 INFO L225 Difference]: With dead ends: 11121 [2022-07-19 17:14:23,153 INFO L226 Difference]: Without dead ends: 7416 [2022-07-19 17:14:23,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:14:23,163 INFO L413 NwaCegarLoop]: 668 mSDtfsCounter, 1331 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 496 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1349 SdHoareTripleChecker+Valid, 1463 SdHoareTripleChecker+Invalid, 1545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 496 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-19 17:14:23,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1349 Valid, 1463 Invalid, 1545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [496 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-19 17:14:23,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7416 states. [2022-07-19 17:14:23,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7416 to 7285. [2022-07-19 17:14:23,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7285 states, 6015 states have (on average 1.6490440565253532) internal successors, (9919), 6021 states have internal predecessors, (9919), 1243 states have call successors, (1243), 22 states have call predecessors, (1243), 26 states have return successors, (1360), 1241 states have call predecessors, (1360), 1242 states have call successors, (1360) [2022-07-19 17:14:23,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7285 states to 7285 states and 12522 transitions. [2022-07-19 17:14:23,521 INFO L78 Accepts]: Start accepts. Automaton has 7285 states and 12522 transitions. Word has length 125 [2022-07-19 17:14:23,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:14:23,521 INFO L495 AbstractCegarLoop]: Abstraction has 7285 states and 12522 transitions. [2022-07-19 17:14:23,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-19 17:14:23,522 INFO L276 IsEmpty]: Start isEmpty. Operand 7285 states and 12522 transitions. [2022-07-19 17:14:23,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-19 17:14:23,589 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:14:23,589 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:14:23,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-19 17:14:23,589 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:14:23,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:14:23,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1710262699, now seen corresponding path program 1 times [2022-07-19 17:14:23,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:14:23,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739881920] [2022-07-19 17:14:23,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:23,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:14:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:23,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:14:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:23,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:14:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:23,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:14:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:23,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:14:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:23,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:14:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:23,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:14:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:23,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-19 17:14:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:23,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 17:14:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:23,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-19 17:14:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:23,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-19 17:14:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:23,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-19 17:14:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:23,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-19 17:14:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:23,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-19 17:14:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:23,656 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:14:23,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:14:23,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739881920] [2022-07-19 17:14:23,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739881920] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:14:23,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:14:23,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:14:23,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509233372] [2022-07-19 17:14:23,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:14:23,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:14:23,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:14:23,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:14:23,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:14:23,658 INFO L87 Difference]: Start difference. First operand 7285 states and 12522 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-19 17:14:25,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:14:25,047 INFO L93 Difference]: Finished difference Result 18541 states and 32423 transitions. [2022-07-19 17:14:25,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:14:25,048 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 126 [2022-07-19 17:14:25,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:14:25,084 INFO L225 Difference]: With dead ends: 18541 [2022-07-19 17:14:25,084 INFO L226 Difference]: Without dead ends: 12395 [2022-07-19 17:14:25,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:14:25,098 INFO L413 NwaCegarLoop]: 655 mSDtfsCounter, 1329 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 504 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1347 SdHoareTripleChecker+Valid, 1425 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 504 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-19 17:14:25,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1347 Valid, 1425 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [504 Valid, 1032 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-19 17:14:25,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12395 states. [2022-07-19 17:14:25,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12395 to 12264. [2022-07-19 17:14:25,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12264 states, 10172 states have (on average 1.6486433346441212) internal successors, (16770), 10178 states have internal predecessors, (16770), 2065 states have call successors, (2065), 22 states have call predecessors, (2065), 26 states have return successors, (2260), 2063 states have call predecessors, (2260), 2064 states have call successors, (2260) [2022-07-19 17:14:25,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12264 states to 12264 states and 21095 transitions. [2022-07-19 17:14:25,642 INFO L78 Accepts]: Start accepts. Automaton has 12264 states and 21095 transitions. Word has length 126 [2022-07-19 17:14:25,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:14:25,643 INFO L495 AbstractCegarLoop]: Abstraction has 12264 states and 21095 transitions. [2022-07-19 17:14:25,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-19 17:14:25,644 INFO L276 IsEmpty]: Start isEmpty. Operand 12264 states and 21095 transitions. [2022-07-19 17:14:25,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-19 17:14:25,659 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:14:25,659 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:14:25,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-19 17:14:25,660 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:14:25,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:14:25,660 INFO L85 PathProgramCache]: Analyzing trace with hash 518341794, now seen corresponding path program 1 times [2022-07-19 17:14:25,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:14:25,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652144097] [2022-07-19 17:14:25,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:25,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:14:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:25,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:14:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:25,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:14:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:25,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:14:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:25,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:14:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:25,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:14:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:25,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:14:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:25,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-19 17:14:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:25,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-19 17:14:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:25,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-19 17:14:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:25,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-19 17:14:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:25,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-19 17:14:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:25,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-19 17:14:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:25,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-19 17:14:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:25,751 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:14:25,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:14:25,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652144097] [2022-07-19 17:14:25,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652144097] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:14:25,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:14:25,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:14:25,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470084670] [2022-07-19 17:14:25,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:14:25,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:14:25,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:14:25,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:14:25,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:14:25,754 INFO L87 Difference]: Start difference. First operand 12264 states and 21095 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-19 17:14:27,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:14:27,473 INFO L93 Difference]: Finished difference Result 29499 states and 51283 transitions. [2022-07-19 17:14:27,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:14:27,474 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 127 [2022-07-19 17:14:27,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:14:27,528 INFO L225 Difference]: With dead ends: 29499 [2022-07-19 17:14:27,528 INFO L226 Difference]: Without dead ends: 19348 [2022-07-19 17:14:27,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:14:27,549 INFO L413 NwaCegarLoop]: 654 mSDtfsCounter, 1331 mSDsluCounter, 744 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1350 SdHoareTripleChecker+Valid, 1398 SdHoareTripleChecker+Invalid, 1543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 511 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-19 17:14:27,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1350 Valid, 1398 Invalid, 1543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [511 Valid, 1032 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-19 17:14:27,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19348 states. [2022-07-19 17:14:28,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19348 to 19217. [2022-07-19 17:14:28,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19217 states, 15922 states have (on average 1.6229116945107398) internal successors, (25840), 15928 states have internal predecessors, (25840), 3268 states have call successors, (3268), 22 states have call predecessors, (3268), 26 states have return successors, (3607), 3266 states have call predecessors, (3607), 3267 states have call successors, (3607) [2022-07-19 17:14:28,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19217 states to 19217 states and 32715 transitions. [2022-07-19 17:14:28,397 INFO L78 Accepts]: Start accepts. Automaton has 19217 states and 32715 transitions. Word has length 127 [2022-07-19 17:14:28,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:14:28,398 INFO L495 AbstractCegarLoop]: Abstraction has 19217 states and 32715 transitions. [2022-07-19 17:14:28,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-19 17:14:28,398 INFO L276 IsEmpty]: Start isEmpty. Operand 19217 states and 32715 transitions. [2022-07-19 17:14:28,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-19 17:14:28,416 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:14:28,416 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:14:28,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-19 17:14:28,416 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:14:28,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:14:28,417 INFO L85 PathProgramCache]: Analyzing trace with hash -637091028, now seen corresponding path program 1 times [2022-07-19 17:14:28,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:14:28,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118393702] [2022-07-19 17:14:28,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:28,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:14:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:28,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:14:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:28,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:14:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:28,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:14:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:28,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:14:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:28,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:14:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:28,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:14:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:28,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-19 17:14:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:28,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-19 17:14:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:28,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-19 17:14:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:28,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-19 17:14:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:28,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-19 17:14:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:28,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-19 17:14:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:28,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-19 17:14:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:28,476 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:14:28,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:14:28,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118393702] [2022-07-19 17:14:28,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118393702] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:14:28,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:14:28,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:14:28,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357349061] [2022-07-19 17:14:28,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:14:28,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:14:28,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:14:28,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:14:28,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:14:28,478 INFO L87 Difference]: Start difference. First operand 19217 states and 32715 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-19 17:14:30,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:14:30,917 INFO L93 Difference]: Finished difference Result 50931 states and 88201 transitions. [2022-07-19 17:14:30,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:14:30,918 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 128 [2022-07-19 17:14:30,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:14:31,031 INFO L225 Difference]: With dead ends: 50931 [2022-07-19 17:14:31,031 INFO L226 Difference]: Without dead ends: 34469 [2022-07-19 17:14:31,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:14:31,063 INFO L413 NwaCegarLoop]: 656 mSDtfsCounter, 1327 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1050 mSolverCounterSat, 511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1345 SdHoareTripleChecker+Valid, 1422 SdHoareTripleChecker+Invalid, 1561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 511 IncrementalHoareTripleChecker+Valid, 1050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:14:31,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1345 Valid, 1422 Invalid, 1561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [511 Valid, 1050 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-19 17:14:31,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34469 states. [2022-07-19 17:14:32,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34469 to 34338. [2022-07-19 17:14:32,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34338 states, 28593 states have (on average 1.6194872870982409) internal successors, (46306), 28599 states have internal predecessors, (46306), 5718 states have call successors, (5718), 22 states have call predecessors, (5718), 26 states have return successors, (6331), 5716 states have call predecessors, (6331), 5717 states have call successors, (6331) [2022-07-19 17:14:32,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34338 states to 34338 states and 58355 transitions. [2022-07-19 17:14:32,655 INFO L78 Accepts]: Start accepts. Automaton has 34338 states and 58355 transitions. Word has length 128 [2022-07-19 17:14:32,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:14:32,655 INFO L495 AbstractCegarLoop]: Abstraction has 34338 states and 58355 transitions. [2022-07-19 17:14:32,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-19 17:14:32,656 INFO L276 IsEmpty]: Start isEmpty. Operand 34338 states and 58355 transitions. [2022-07-19 17:14:32,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-19 17:14:32,674 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:14:32,674 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:14:32,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-19 17:14:32,674 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:14:32,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:14:32,675 INFO L85 PathProgramCache]: Analyzing trace with hash -574359300, now seen corresponding path program 1 times [2022-07-19 17:14:32,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:14:32,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594251737] [2022-07-19 17:14:32,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:32,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:14:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:32,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:14:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:32,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:14:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:32,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:14:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:32,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:14:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:32,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:14:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:32,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:14:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:32,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-19 17:14:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:32,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-19 17:14:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:32,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 17:14:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:32,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-19 17:14:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:32,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-19 17:14:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:32,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-19 17:14:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:32,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-19 17:14:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:32,739 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:14:32,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:14:32,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594251737] [2022-07-19 17:14:32,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594251737] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:14:32,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:14:32,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:14:32,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719177589] [2022-07-19 17:14:32,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:14:32,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:14:32,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:14:32,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:14:32,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:14:32,741 INFO L87 Difference]: Start difference. First operand 34338 states and 58355 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-19 17:14:36,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:14:36,297 INFO L93 Difference]: Finished difference Result 93803 states and 161600 transitions. [2022-07-19 17:14:36,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:14:36,297 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 129 [2022-07-19 17:14:36,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:14:36,494 INFO L225 Difference]: With dead ends: 93803 [2022-07-19 17:14:36,495 INFO L226 Difference]: Without dead ends: 63136 [2022-07-19 17:14:36,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:14:36,560 INFO L413 NwaCegarLoop]: 653 mSDtfsCounter, 1325 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 517 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1344 SdHoareTripleChecker+Valid, 1423 SdHoareTripleChecker+Invalid, 1533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 517 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:14:36,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1344 Valid, 1423 Invalid, 1533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [517 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-19 17:14:36,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63136 states. [2022-07-19 17:14:39,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63136 to 63005. [2022-07-19 17:14:39,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63005 states, 52747 states have (on average 1.6150871139590877) internal successors, (85191), 52753 states have internal predecessors, (85191), 10231 states have call successors, (10231), 22 states have call predecessors, (10231), 26 states have return successors, (11376), 10229 states have call predecessors, (11376), 10230 states have call successors, (11376) [2022-07-19 17:14:39,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63005 states to 63005 states and 106798 transitions. [2022-07-19 17:14:39,831 INFO L78 Accepts]: Start accepts. Automaton has 63005 states and 106798 transitions. Word has length 129 [2022-07-19 17:14:39,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:14:39,831 INFO L495 AbstractCegarLoop]: Abstraction has 63005 states and 106798 transitions. [2022-07-19 17:14:39,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-19 17:14:39,831 INFO L276 IsEmpty]: Start isEmpty. Operand 63005 states and 106798 transitions. [2022-07-19 17:14:39,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-19 17:14:39,853 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:14:39,854 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:14:39,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-19 17:14:39,854 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:14:39,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:14:39,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1841370228, now seen corresponding path program 1 times [2022-07-19 17:14:39,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:14:39,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012281460] [2022-07-19 17:14:39,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:39,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:14:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:39,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:14:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:39,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:14:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:39,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:14:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:39,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:14:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:39,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:14:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:39,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:14:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:39,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 17:14:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:39,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-19 17:14:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:39,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-19 17:14:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:39,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 17:14:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:39,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-19 17:14:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:39,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-19 17:14:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:39,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-19 17:14:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:39,918 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:14:39,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:14:39,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012281460] [2022-07-19 17:14:39,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012281460] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:14:39,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:14:39,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:14:39,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996180628] [2022-07-19 17:14:39,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:14:39,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:14:39,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:14:39,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:14:39,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:14:39,920 INFO L87 Difference]: Start difference. First operand 63005 states and 106798 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-19 17:14:44,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:14:44,961 INFO L93 Difference]: Finished difference Result 118179 states and 203977 transitions. [2022-07-19 17:14:44,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:14:44,962 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 130 [2022-07-19 17:14:44,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:14:45,503 INFO L225 Difference]: With dead ends: 118179 [2022-07-19 17:14:45,504 INFO L226 Difference]: Without dead ends: 118009 [2022-07-19 17:14:45,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:14:45,548 INFO L413 NwaCegarLoop]: 657 mSDtfsCounter, 1323 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 523 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1341 SdHoareTripleChecker+Valid, 1423 SdHoareTripleChecker+Invalid, 1568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 523 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:14:45,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1341 Valid, 1423 Invalid, 1568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [523 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-19 17:14:45,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118009 states. [2022-07-19 17:14:51,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118009 to 117878. [2022-07-19 17:14:51,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117878 states, 99252 states have (on average 1.6096300326441784) internal successors, (159759), 99258 states have internal predecessors, (159759), 18599 states have call successors, (18599), 22 states have call predecessors, (18599), 26 states have return successors, (20790), 18597 states have call predecessors, (20790), 18598 states have call successors, (20790) [2022-07-19 17:14:51,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117878 states to 117878 states and 199148 transitions. [2022-07-19 17:14:51,660 INFO L78 Accepts]: Start accepts. Automaton has 117878 states and 199148 transitions. Word has length 130 [2022-07-19 17:14:51,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:14:51,661 INFO L495 AbstractCegarLoop]: Abstraction has 117878 states and 199148 transitions. [2022-07-19 17:14:51,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-19 17:14:51,661 INFO L276 IsEmpty]: Start isEmpty. Operand 117878 states and 199148 transitions. [2022-07-19 17:14:51,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-19 17:14:51,698 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:14:51,698 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:14:51,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-19 17:14:51,699 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:14:51,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:14:51,699 INFO L85 PathProgramCache]: Analyzing trace with hash 2105367547, now seen corresponding path program 1 times [2022-07-19 17:14:51,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:14:51,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233505490] [2022-07-19 17:14:51,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:14:51,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:14:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:51,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:14:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:51,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:14:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:51,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:14:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:51,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:14:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:51,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:14:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:51,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:14:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:51,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 17:14:51,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:51,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 17:14:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:51,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-19 17:14:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:51,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-19 17:14:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:51,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-19 17:14:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:51,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-19 17:14:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:51,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-19 17:14:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:14:51,831 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 17:14:51,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:14:51,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233505490] [2022-07-19 17:14:51,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233505490] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:14:51,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:14:51,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-19 17:14:51,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898592527] [2022-07-19 17:14:51,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:14:51,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-19 17:14:51,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:14:51,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-19 17:14:51,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-19 17:14:51,833 INFO L87 Difference]: Start difference. First operand 117878 states and 199148 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) [2022-07-19 17:14:58,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:14:58,738 INFO L93 Difference]: Finished difference Result 118672 states and 203705 transitions. [2022-07-19 17:14:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-19 17:14:58,738 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 [2022-07-19 17:14:58,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:14:59,192 INFO L225 Difference]: With dead ends: 118672 [2022-07-19 17:14:59,192 INFO L226 Difference]: Without dead ends: 118510 [2022-07-19 17:14:59,247 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 [2022-07-19 17:14:59,248 INFO L413 NwaCegarLoop]: 878 mSDtfsCounter, 2271 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 3707 mSolverCounterSat, 1071 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2288 SdHoareTripleChecker+Valid, 2024 SdHoareTripleChecker+Invalid, 4778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1071 IncrementalHoareTripleChecker+Valid, 3707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:14:59,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2288 Valid, 2024 Invalid, 4778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1071 Valid, 3707 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-19 17:14:59,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118510 states.