./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec4_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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_product17.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 --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 922981a69371fe79bea26dd37077d7dd588a5af1cfad53b27080b4988960097d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 01:56:08,660 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 01:56:08,736 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 01:56:08,745 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 01:56:08,746 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 01:56:08,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 01:56:08,793 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 01:56:08,793 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 01:56:08,794 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 01:56:08,795 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 01:56:08,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 01:56:08,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 01:56:08,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 01:56:08,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 01:56:08,798 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 01:56:08,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 01:56:08,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 01:56:08,799 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 01:56:08,799 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 01:56:08,799 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 01:56:08,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 01:56:08,813 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 01:56:08,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 01:56:08,813 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 01:56:08,814 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 01:56:08,814 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 01:56:08,814 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 01:56:08,814 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 01:56:08,815 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 01:56:08,815 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 01:56:08,815 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 01:56:08,815 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 01:56:08,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 01:56:08,816 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 01:56:08,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 01:56:08,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 01:56:08,818 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 01:56:08,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 01:56:08,818 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 01:56:08,818 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 01:56:08,819 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 01:56:08,819 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 01:56:08,819 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 922981a69371fe79bea26dd37077d7dd588a5af1cfad53b27080b4988960097d [2024-11-22 01:56:09,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 01:56:09,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 01:56:09,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 01:56:09,114 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 01:56:09,115 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 01:56:09,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product17.cil.c [2024-11-22 01:56:10,611 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 01:56:10,944 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 01:56:10,946 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product17.cil.c [2024-11-22 01:56:10,977 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baddfb515/8efef8e99bef421684e11f644afee4b8/FLAG5376899c9 [2024-11-22 01:56:10,990 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/baddfb515/8efef8e99bef421684e11f644afee4b8 [2024-11-22 01:56:10,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 01:56:10,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 01:56:10,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 01:56:10,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 01:56:11,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 01:56:11,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:56:10" (1/1) ... [2024-11-22 01:56:11,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b48e971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:11, skipping insertion in model container [2024-11-22 01:56:11,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:56:10" (1/1) ... [2024-11-22 01:56:11,073 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 01:56:11,610 WARN L250 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_product17.cil.c[45969,45982] [2024-11-22 01:56:11,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 01:56:11,686 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 01:56:11,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [48] [2024-11-22 01:56:11,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [90] [2024-11-22 01:56:11,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1169] [2024-11-22 01:56:11,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1467] [2024-11-22 01:56:11,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1774] [2024-11-22 01:56:11,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1809] [2024-11-22 01:56:11,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2212] [2024-11-22 01:56:11,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2229] [2024-11-22 01:56:11,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2238] [2024-11-22 01:56:11,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2335] [2024-11-22 01:56:11,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2551] [2024-11-22 01:56:11,779 WARN L250 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_product17.cil.c[45969,45982] [2024-11-22 01:56:11,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 01:56:11,837 INFO L204 MainTranslator]: Completed translation [2024-11-22 01:56:11,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:11 WrapperNode [2024-11-22 01:56:11,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 01:56:11,839 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 01:56:11,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 01:56:11,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 01:56:11,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:11" (1/1) ... [2024-11-22 01:56:11,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:11" (1/1) ... [2024-11-22 01:56:11,930 INFO L138 Inliner]: procedures = 127, calls = 192, calls flagged for inlining = 53, calls inlined = 46, statements flattened = 907 [2024-11-22 01:56:11,931 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 01:56:11,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 01:56:11,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 01:56:11,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 01:56:11,946 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:11" (1/1) ... [2024-11-22 01:56:11,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:11" (1/1) ... [2024-11-22 01:56:11,959 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:11" (1/1) ... [2024-11-22 01:56:11,989 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-22 01:56:11,990 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:11" (1/1) ... [2024-11-22 01:56:11,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:11" (1/1) ... [2024-11-22 01:56:12,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:11" (1/1) ... [2024-11-22 01:56:12,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:11" (1/1) ... [2024-11-22 01:56:12,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:11" (1/1) ... [2024-11-22 01:56:12,047 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:11" (1/1) ... [2024-11-22 01:56:12,054 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 01:56:12,055 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 01:56:12,055 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 01:56:12,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 01:56:12,056 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:11" (1/1) ... [2024-11-22 01:56:12,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 01:56:12,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:56:12,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 01:56:12,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 01:56:12,184 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-22 01:56:12,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-22 01:56:12,184 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-22 01:56:12,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-22 01:56:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-22 01:56:12,185 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-22 01:56:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2024-11-22 01:56:12,185 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2024-11-22 01:56:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-22 01:56:12,186 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-22 01:56:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-22 01:56:12,217 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-22 01:56:12,218 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-22 01:56:12,218 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-22 01:56:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-22 01:56:12,219 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-22 01:56:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-22 01:56:12,219 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-22 01:56:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-22 01:56:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-22 01:56:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-22 01:56:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-22 01:56:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-22 01:56:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-22 01:56:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 01:56:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-22 01:56:12,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-22 01:56:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-22 01:56:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-22 01:56:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-22 01:56:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-22 01:56:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-22 01:56:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-22 01:56:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-22 01:56:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-22 01:56:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-22 01:56:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-22 01:56:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-22 01:56:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-22 01:56:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-22 01:56:12,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-22 01:56:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 01:56:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 01:56:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 01:56:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 01:56:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-22 01:56:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-22 01:56:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-22 01:56:12,224 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-22 01:56:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 01:56:12,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 01:56:12,478 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 01:56:12,481 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 01:56:13,418 INFO L? ?]: Removed 467 outVars from TransFormulas that were not future-live. [2024-11-22 01:56:13,418 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 01:56:13,445 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 01:56:13,445 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 01:56:13,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:56:13 BoogieIcfgContainer [2024-11-22 01:56:13,446 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 01:56:13,449 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 01:56:13,449 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 01:56:13,453 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 01:56:13,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:56:10" (1/3) ... [2024-11-22 01:56:13,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19106be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:56:13, skipping insertion in model container [2024-11-22 01:56:13,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:56:11" (2/3) ... [2024-11-22 01:56:13,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19106be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:56:13, skipping insertion in model container [2024-11-22 01:56:13,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:56:13" (3/3) ... [2024-11-22 01:56:13,458 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product17.cil.c [2024-11-22 01:56:13,474 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 01:56:13,475 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 01:56:13,556 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 01:56:13,563 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@e55df3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 01:56:13,563 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 01:56:13,570 INFO L276 IsEmpty]: Start isEmpty. Operand has 352 states, 278 states have (on average 1.5827338129496402) internal successors, (440), 281 states have internal predecessors, (440), 50 states have call successors, (50), 22 states have call predecessors, (50), 22 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-22 01:56:13,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-22 01:56:13,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:13,587 INFO L215 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] [2024-11-22 01:56:13,588 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:13,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:13,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1657855527, now seen corresponding path program 1 times [2024-11-22 01:56:13,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:13,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670644138] [2024-11-22 01:56:13,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:13,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:14,309 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-22 01:56:14,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:14,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670644138] [2024-11-22 01:56:14,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670644138] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:56:14,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457456755] [2024-11-22 01:56:14,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:14,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:14,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:56:14,315 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) [2024-11-22 01:56:14,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 01:56:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:14,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 01:56:14,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:56:14,680 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-22 01:56:14,680 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:56:14,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457456755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:14,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:56:14,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-11-22 01:56:14,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601876963] [2024-11-22 01:56:14,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:14,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 01:56:14,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:14,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 01:56:14,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:56:14,722 INFO L87 Difference]: Start difference. First operand has 352 states, 278 states have (on average 1.5827338129496402) internal successors, (440), 281 states have internal predecessors, (440), 50 states have call successors, (50), 22 states have call predecessors, (50), 22 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) 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) [2024-11-22 01:56:14,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:14,789 INFO L93 Difference]: Finished difference Result 516 states and 778 transitions. [2024-11-22 01:56:14,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 01:56:14,792 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 [2024-11-22 01:56:14,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:14,804 INFO L225 Difference]: With dead ends: 516 [2024-11-22 01:56:14,804 INFO L226 Difference]: Without dead ends: 345 [2024-11-22 01:56:14,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:56:14,814 INFO L432 NwaCegarLoop]: 536 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, 536 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 [2024-11-22 01:56:14,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:14,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-22 01:56:14,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2024-11-22 01:56:14,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 272 states have (on average 1.5772058823529411) internal successors, (429), 274 states have internal predecessors, (429), 50 states have call successors, (50), 22 states have call predecessors, (50), 22 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-22 01:56:14,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 528 transitions. [2024-11-22 01:56:14,892 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 528 transitions. Word has length 101 [2024-11-22 01:56:14,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:14,896 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 528 transitions. [2024-11-22 01:56:14,897 INFO L472 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) [2024-11-22 01:56:14,897 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 528 transitions. [2024-11-22 01:56:14,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-22 01:56:14,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:14,903 INFO L215 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] [2024-11-22 01:56:14,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 01:56:15,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 01:56:15,108 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:15,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:15,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1378191731, now seen corresponding path program 1 times [2024-11-22 01:56:15,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:15,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898082755] [2024-11-22 01:56:15,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:15,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:15,372 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-22 01:56:15,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:15,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898082755] [2024-11-22 01:56:15,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898082755] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:56:15,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175862116] [2024-11-22 01:56:15,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:15,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:15,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:56:15,379 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) [2024-11-22 01:56:15,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 01:56:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:15,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 952 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 01:56:15,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:56:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-22 01:56:15,747 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:56:15,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175862116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:15,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:56:15,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-22 01:56:15,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949306780] [2024-11-22 01:56:15,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:15,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:56:15,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:15,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:56:15,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:56:15,752 INFO L87 Difference]: Start difference. First operand 345 states and 528 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) [2024-11-22 01:56:15,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:15,806 INFO L93 Difference]: Finished difference Result 506 states and 756 transitions. [2024-11-22 01:56:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:56:15,808 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 [2024-11-22 01:56:15,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:15,815 INFO L225 Difference]: With dead ends: 506 [2024-11-22 01:56:15,815 INFO L226 Difference]: Without dead ends: 348 [2024-11-22 01:56:15,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:56:15,820 INFO L432 NwaCegarLoop]: 526 mSDtfsCounter, 1 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1050 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 [2024-11-22 01:56:15,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1050 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:15,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-22 01:56:15,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 347. [2024-11-22 01:56:15,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 274 states have (on average 1.572992700729927) internal successors, (431), 276 states have internal predecessors, (431), 50 states have call successors, (50), 22 states have call predecessors, (50), 22 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-22 01:56:15,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 530 transitions. [2024-11-22 01:56:15,862 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 530 transitions. Word has length 102 [2024-11-22 01:56:15,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:15,863 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 530 transitions. [2024-11-22 01:56:15,865 INFO L472 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) [2024-11-22 01:56:15,865 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 530 transitions. [2024-11-22 01:56:15,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-22 01:56:15,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:15,873 INFO L215 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] [2024-11-22 01:56:15,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 01:56:16,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-22 01:56:16,077 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:16,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:16,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1246839004, now seen corresponding path program 1 times [2024-11-22 01:56:16,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:16,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444001720] [2024-11-22 01:56:16,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:16,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:16,293 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 01:56:16,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:16,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444001720] [2024-11-22 01:56:16,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444001720] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:56:16,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690823583] [2024-11-22 01:56:16,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:16,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:16,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:56:16,298 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) [2024-11-22 01:56:16,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 01:56:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:16,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 01:56:16,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:56:16,652 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-22 01:56:16,653 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:56:16,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690823583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:16,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:56:16,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-22 01:56:16,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688185569] [2024-11-22 01:56:16,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:16,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:56:16,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:16,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:56:16,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:56:16,656 INFO L87 Difference]: Start difference. First operand 347 states and 530 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:56:16,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:16,700 INFO L93 Difference]: Finished difference Result 737 states and 1144 transitions. [2024-11-22 01:56:16,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:56:16,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 108 [2024-11-22 01:56:16,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:16,707 INFO L225 Difference]: With dead ends: 737 [2024-11-22 01:56:16,707 INFO L226 Difference]: Without dead ends: 417 [2024-11-22 01:56:16,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:56:16,712 INFO L432 NwaCegarLoop]: 536 mSDtfsCounter, 126 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1016 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 [2024-11-22 01:56:16,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1016 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:16,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-22 01:56:16,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 409. [2024-11-22 01:56:16,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 322 states have (on average 1.5900621118012421) internal successors, (512), 324 states have internal predecessors, (512), 64 states have call successors, (64), 22 states have call predecessors, (64), 22 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-22 01:56:16,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 639 transitions. [2024-11-22 01:56:16,752 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 639 transitions. Word has length 108 [2024-11-22 01:56:16,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:16,753 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 639 transitions. [2024-11-22 01:56:16,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:56:16,754 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 639 transitions. [2024-11-22 01:56:16,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-22 01:56:16,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:16,759 INFO L215 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] [2024-11-22 01:56:16,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 01:56:16,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:16,964 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:16,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:16,965 INFO L85 PathProgramCache]: Analyzing trace with hash 848512708, now seen corresponding path program 1 times [2024-11-22 01:56:16,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:16,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297128451] [2024-11-22 01:56:16,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:16,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:17,168 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 01:56:17,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:17,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297128451] [2024-11-22 01:56:17,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297128451] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:56:17,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577806026] [2024-11-22 01:56:17,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:17,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:17,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:56:17,172 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) [2024-11-22 01:56:17,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 01:56:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:17,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 01:56:17,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:56:17,556 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-22 01:56:17,556 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:56:17,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577806026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:17,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:56:17,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-22 01:56:17,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091235445] [2024-11-22 01:56:17,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:17,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:56:17,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:17,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:56:17,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:56:17,562 INFO L87 Difference]: Start difference. First operand 409 states and 639 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:56:17,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:17,652 INFO L93 Difference]: Finished difference Result 809 states and 1268 transitions. [2024-11-22 01:56:17,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:56:17,653 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 109 [2024-11-22 01:56:17,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:17,657 INFO L225 Difference]: With dead ends: 809 [2024-11-22 01:56:17,657 INFO L226 Difference]: Without dead ends: 411 [2024-11-22 01:56:17,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:56:17,660 INFO L432 NwaCegarLoop]: 520 mSDtfsCounter, 2 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2069 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:56:17,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2069 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:17,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-22 01:56:17,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2024-11-22 01:56:17,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 323 states have (on average 1.588235294117647) internal successors, (513), 326 states have internal predecessors, (513), 64 states have call successors, (64), 22 states have call predecessors, (64), 23 states have return successors, (65), 62 states have call predecessors, (65), 63 states have call successors, (65) [2024-11-22 01:56:17,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 642 transitions. [2024-11-22 01:56:17,693 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 642 transitions. Word has length 109 [2024-11-22 01:56:17,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:17,694 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 642 transitions. [2024-11-22 01:56:17,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:56:17,695 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 642 transitions. [2024-11-22 01:56:17,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-22 01:56:17,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:17,698 INFO L215 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] [2024-11-22 01:56:17,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 01:56:17,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:17,900 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:17,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:17,900 INFO L85 PathProgramCache]: Analyzing trace with hash -2072094744, now seen corresponding path program 1 times [2024-11-22 01:56:17,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:17,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986428023] [2024-11-22 01:56:17,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:17,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:18,075 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-22 01:56:18,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:18,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986428023] [2024-11-22 01:56:18,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986428023] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:56:18,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981012724] [2024-11-22 01:56:18,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:18,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:18,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:56:18,079 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) [2024-11-22 01:56:18,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 01:56:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:18,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 01:56:18,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:56:18,393 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-22 01:56:18,393 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:56:18,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981012724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:18,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:56:18,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-22 01:56:18,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633245324] [2024-11-22 01:56:18,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:18,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:56:18,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:18,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:56:18,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-22 01:56:18,396 INFO L87 Difference]: Start difference. First operand 411 states and 642 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:56:18,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:18,459 INFO L93 Difference]: Finished difference Result 811 states and 1273 transitions. [2024-11-22 01:56:18,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:56:18,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 110 [2024-11-22 01:56:18,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:18,463 INFO L225 Difference]: With dead ends: 811 [2024-11-22 01:56:18,464 INFO L226 Difference]: Without dead ends: 413 [2024-11-22 01:56:18,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-22 01:56:18,466 INFO L432 NwaCegarLoop]: 518 mSDtfsCounter, 2 mSDsluCounter, 1537 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2055 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:56:18,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2055 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:18,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-22 01:56:18,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2024-11-22 01:56:18,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 324 states have (on average 1.5864197530864197) internal successors, (514), 328 states have internal predecessors, (514), 64 states have call successors, (64), 22 states have call predecessors, (64), 24 states have return successors, (70), 62 states have call predecessors, (70), 63 states have call successors, (70) [2024-11-22 01:56:18,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 648 transitions. [2024-11-22 01:56:18,490 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 648 transitions. Word has length 110 [2024-11-22 01:56:18,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:18,491 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 648 transitions. [2024-11-22 01:56:18,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:56:18,492 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 648 transitions. [2024-11-22 01:56:18,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-22 01:56:18,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:18,496 INFO L215 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] [2024-11-22 01:56:18,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 01:56:18,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:18,700 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:18,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:18,701 INFO L85 PathProgramCache]: Analyzing trace with hash 2023506565, now seen corresponding path program 1 times [2024-11-22 01:56:18,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:18,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833341483] [2024-11-22 01:56:18,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:18,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:18,860 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 01:56:18,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:18,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833341483] [2024-11-22 01:56:18,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833341483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:18,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:56:18,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 01:56:18,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312007735] [2024-11-22 01:56:18,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:18,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:56:18,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:18,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:56:18,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:56:18,863 INFO L87 Difference]: Start difference. First operand 413 states and 648 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:56:18,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:18,904 INFO L93 Difference]: Finished difference Result 803 states and 1264 transitions. [2024-11-22 01:56:18,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:56:18,905 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 111 [2024-11-22 01:56:18,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:18,908 INFO L225 Difference]: With dead ends: 803 [2024-11-22 01:56:18,908 INFO L226 Difference]: Without dead ends: 413 [2024-11-22 01:56:18,909 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:56:18,910 INFO L432 NwaCegarLoop]: 521 mSDtfsCounter, 2 mSDsluCounter, 1552 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2073 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:56:18,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2073 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:18,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-22 01:56:18,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2024-11-22 01:56:18,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 324 states have (on average 1.5864197530864197) internal successors, (514), 328 states have internal predecessors, (514), 64 states have call successors, (64), 22 states have call predecessors, (64), 24 states have return successors, (69), 62 states have call predecessors, (69), 63 states have call successors, (69) [2024-11-22 01:56:18,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 647 transitions. [2024-11-22 01:56:18,931 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 647 transitions. Word has length 111 [2024-11-22 01:56:18,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:18,931 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 647 transitions. [2024-11-22 01:56:18,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:56:18,931 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 647 transitions. [2024-11-22 01:56:18,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-22 01:56:18,934 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:18,934 INFO L215 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] [2024-11-22 01:56:18,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 01:56:18,934 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:18,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:18,935 INFO L85 PathProgramCache]: Analyzing trace with hash 520951879, now seen corresponding path program 2 times [2024-11-22 01:56:18,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:18,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766812329] [2024-11-22 01:56:18,937 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 01:56:18,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:18,960 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 01:56:18,960 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 01:56:19,072 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-22 01:56:19,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:19,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766812329] [2024-11-22 01:56:19,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766812329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:19,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:56:19,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 01:56:19,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149039324] [2024-11-22 01:56:19,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:19,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 01:56:19,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:19,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 01:56:19,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:56:19,075 INFO L87 Difference]: Start difference. First operand 413 states and 647 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:56:19,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:19,408 INFO L93 Difference]: Finished difference Result 755 states and 1208 transitions. [2024-11-22 01:56:19,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 01:56:19,409 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 112 [2024-11-22 01:56:19,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:19,414 INFO L225 Difference]: With dead ends: 755 [2024-11-22 01:56:19,414 INFO L226 Difference]: Without dead ends: 751 [2024-11-22 01:56:19,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-22 01:56:19,416 INFO L432 NwaCegarLoop]: 542 mSDtfsCounter, 516 mSDsluCounter, 2851 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 3393 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 01:56:19,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 3393 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 01:56:19,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2024-11-22 01:56:19,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 743. [2024-11-22 01:56:19,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 586 states have (on average 1.6092150170648465) internal successors, (943), 591 states have internal predecessors, (943), 115 states have call successors, (115), 41 states have call predecessors, (115), 41 states have return successors, (130), 110 states have call predecessors, (130), 114 states have call successors, (130) [2024-11-22 01:56:19,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 1188 transitions. [2024-11-22 01:56:19,484 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 1188 transitions. Word has length 112 [2024-11-22 01:56:19,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:19,484 INFO L471 AbstractCegarLoop]: Abstraction has 743 states and 1188 transitions. [2024-11-22 01:56:19,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:56:19,485 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1188 transitions. [2024-11-22 01:56:19,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-22 01:56:19,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:19,489 INFO L215 NwaCegarLoop]: trace histogram [3, 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] [2024-11-22 01:56:19,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 01:56:19,489 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:19,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:19,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1389838248, now seen corresponding path program 1 times [2024-11-22 01:56:19,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:19,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209680905] [2024-11-22 01:56:19,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:19,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:19,600 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:56:19,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:19,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209680905] [2024-11-22 01:56:19,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209680905] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:56:19,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447469198] [2024-11-22 01:56:19,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:19,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:19,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:56:19,604 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) [2024-11-22 01:56:19,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 01:56:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:19,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 01:56:19,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:56:19,926 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-22 01:56:19,926 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:56:19,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447469198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:19,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:56:19,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-22 01:56:19,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332272713] [2024-11-22 01:56:19,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:19,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:56:19,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:19,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:56:19,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:56:19,929 INFO L87 Difference]: Start difference. First operand 743 states and 1188 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:56:20,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:20,008 INFO L93 Difference]: Finished difference Result 1469 states and 2357 transitions. [2024-11-22 01:56:20,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:56:20,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 115 [2024-11-22 01:56:20,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:20,015 INFO L225 Difference]: With dead ends: 1469 [2024-11-22 01:56:20,015 INFO L226 Difference]: Without dead ends: 749 [2024-11-22 01:56:20,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:56:20,019 INFO L432 NwaCegarLoop]: 522 mSDtfsCounter, 1 mSDsluCounter, 1548 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2070 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:56:20,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2070 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:20,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2024-11-22 01:56:20,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 745. [2024-11-22 01:56:20,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 745 states, 587 states have (on average 1.6081771720613287) internal successors, (944), 593 states have internal predecessors, (944), 115 states have call successors, (115), 41 states have call predecessors, (115), 42 states have return successors, (133), 110 states have call predecessors, (133), 114 states have call successors, (133) [2024-11-22 01:56:20,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1192 transitions. [2024-11-22 01:56:20,054 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1192 transitions. Word has length 115 [2024-11-22 01:56:20,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:20,054 INFO L471 AbstractCegarLoop]: Abstraction has 745 states and 1192 transitions. [2024-11-22 01:56:20,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:56:20,055 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1192 transitions. [2024-11-22 01:56:20,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-22 01:56:20,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:20,059 INFO L215 NwaCegarLoop]: trace histogram [3, 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] [2024-11-22 01:56:20,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-22 01:56:20,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:20,261 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:20,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:20,262 INFO L85 PathProgramCache]: Analyzing trace with hash 690607650, now seen corresponding path program 1 times [2024-11-22 01:56:20,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:20,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034241873] [2024-11-22 01:56:20,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:20,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:20,396 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:56:20,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:20,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034241873] [2024-11-22 01:56:20,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034241873] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:56:20,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566965513] [2024-11-22 01:56:20,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:20,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:20,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:56:20,400 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 01:56:20,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 01:56:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:20,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 01:56:20,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:56:20,712 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-22 01:56:20,712 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:56:20,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566965513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:20,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:56:20,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-22 01:56:20,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936069100] [2024-11-22 01:56:20,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:20,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:56:20,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:20,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:56:20,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:56:20,716 INFO L87 Difference]: Start difference. First operand 745 states and 1192 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 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) [2024-11-22 01:56:20,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:20,771 INFO L93 Difference]: Finished difference Result 1459 states and 2343 transitions. [2024-11-22 01:56:20,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:56:20,772 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 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 116 [2024-11-22 01:56:20,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:20,777 INFO L225 Difference]: With dead ends: 1459 [2024-11-22 01:56:20,777 INFO L226 Difference]: Without dead ends: 749 [2024-11-22 01:56:20,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:56:20,780 INFO L432 NwaCegarLoop]: 520 mSDtfsCounter, 1 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2069 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:56:20,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2069 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:20,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2024-11-22 01:56:20,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 749. [2024-11-22 01:56:20,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 589 states have (on average 1.6061120543293719) internal successors, (946), 597 states have internal predecessors, (946), 115 states have call successors, (115), 41 states have call predecessors, (115), 44 states have return successors, (136), 110 states have call predecessors, (136), 114 states have call successors, (136) [2024-11-22 01:56:20,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 1197 transitions. [2024-11-22 01:56:20,811 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 1197 transitions. Word has length 116 [2024-11-22 01:56:20,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:20,811 INFO L471 AbstractCegarLoop]: Abstraction has 749 states and 1197 transitions. [2024-11-22 01:56:20,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 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) [2024-11-22 01:56:20,812 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1197 transitions. [2024-11-22 01:56:20,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-22 01:56:20,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:20,815 INFO L215 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] [2024-11-22 01:56:20,825 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-22 01:56:21,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:21,016 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:21,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:21,017 INFO L85 PathProgramCache]: Analyzing trace with hash 74607009, now seen corresponding path program 1 times [2024-11-22 01:56:21,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:21,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586294090] [2024-11-22 01:56:21,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:21,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:21,171 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-22 01:56:21,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:21,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586294090] [2024-11-22 01:56:21,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586294090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:21,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:56:21,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 01:56:21,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681266751] [2024-11-22 01:56:21,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:21,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 01:56:21,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:21,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 01:56:21,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:56:21,174 INFO L87 Difference]: Start difference. First operand 749 states and 1197 transitions. Second operand has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-22 01:56:21,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:21,326 INFO L93 Difference]: Finished difference Result 1457 states and 2334 transitions. [2024-11-22 01:56:21,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 01:56:21,327 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 114 [2024-11-22 01:56:21,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:21,332 INFO L225 Difference]: With dead ends: 1457 [2024-11-22 01:56:21,332 INFO L226 Difference]: Without dead ends: 753 [2024-11-22 01:56:21,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-22 01:56:21,335 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 7 mSDsluCounter, 3043 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3555 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 01:56:21,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 3555 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 01:56:21,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2024-11-22 01:56:21,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 751. [2024-11-22 01:56:21,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 751 states, 591 states have (on average 1.6040609137055837) internal successors, (948), 598 states have internal predecessors, (948), 115 states have call successors, (115), 42 states have call predecessors, (115), 44 states have return successors, (134), 110 states have call predecessors, (134), 114 states have call successors, (134) [2024-11-22 01:56:21,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1197 transitions. [2024-11-22 01:56:21,395 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1197 transitions. Word has length 114 [2024-11-22 01:56:21,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:21,396 INFO L471 AbstractCegarLoop]: Abstraction has 751 states and 1197 transitions. [2024-11-22 01:56:21,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-22 01:56:21,397 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1197 transitions. [2024-11-22 01:56:21,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-22 01:56:21,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:21,401 INFO L215 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, 1, 1, 1, 1] [2024-11-22 01:56:21,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 01:56:21,402 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:21,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:21,403 INFO L85 PathProgramCache]: Analyzing trace with hash 46941843, now seen corresponding path program 1 times [2024-11-22 01:56:21,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:21,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983447762] [2024-11-22 01:56:21,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:21,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:21,537 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:56:21,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:21,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983447762] [2024-11-22 01:56:21,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983447762] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:56:21,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756218747] [2024-11-22 01:56:21,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:21,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:21,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:56:21,542 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 01:56:21,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-22 01:56:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:21,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 01:56:21,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:56:21,850 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:56:21,851 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:56:21,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756218747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:21,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:56:21,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-22 01:56:21,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527725192] [2024-11-22 01:56:21,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:21,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:56:21,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:21,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:56:21,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:56:21,854 INFO L87 Difference]: Start difference. First operand 751 states and 1197 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2024-11-22 01:56:21,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:21,920 INFO L93 Difference]: Finished difference Result 1463 states and 2345 transitions. [2024-11-22 01:56:21,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:56:21,920 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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 117 [2024-11-22 01:56:21,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:21,926 INFO L225 Difference]: With dead ends: 1463 [2024-11-22 01:56:21,926 INFO L226 Difference]: Without dead ends: 757 [2024-11-22 01:56:21,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:56:21,929 INFO L432 NwaCegarLoop]: 518 mSDtfsCounter, 1 mSDsluCounter, 1537 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2055 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:56:21,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2055 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:21,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2024-11-22 01:56:21,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 755. [2024-11-22 01:56:21,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 593 states have (on average 1.6020236087689714) internal successors, (950), 602 states have internal predecessors, (950), 115 states have call successors, (115), 42 states have call predecessors, (115), 46 states have return successors, (140), 110 states have call predecessors, (140), 114 states have call successors, (140) [2024-11-22 01:56:21,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1205 transitions. [2024-11-22 01:56:21,961 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1205 transitions. Word has length 117 [2024-11-22 01:56:21,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:21,961 INFO L471 AbstractCegarLoop]: Abstraction has 755 states and 1205 transitions. [2024-11-22 01:56:21,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2024-11-22 01:56:21,962 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1205 transitions. [2024-11-22 01:56:21,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-22 01:56:21,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:21,965 INFO L215 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] [2024-11-22 01:56:21,975 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-22 01:56:22,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-22 01:56:22,166 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:22,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:22,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1947075748, now seen corresponding path program 1 times [2024-11-22 01:56:22,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:22,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822177470] [2024-11-22 01:56:22,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:22,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:22,261 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 01:56:22,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:22,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822177470] [2024-11-22 01:56:22,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822177470] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:56:22,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565516309] [2024-11-22 01:56:22,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:22,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:22,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:56:22,264 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 01:56:22,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-22 01:56:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:22,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 976 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 01:56:22,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:56:22,615 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 01:56:22,616 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 01:56:22,705 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 01:56:22,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565516309] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 01:56:22,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 01:56:22,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-22 01:56:22,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167960563] [2024-11-22 01:56:22,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 01:56:22,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 01:56:22,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:22,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 01:56:22,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 01:56:22,707 INFO L87 Difference]: Start difference. First operand 755 states and 1205 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 7 states have internal predecessors, (103), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-22 01:56:22,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:22,883 INFO L93 Difference]: Finished difference Result 1811 states and 3006 transitions. [2024-11-22 01:56:22,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 01:56:22,884 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 7 states have internal predecessors, (103), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 116 [2024-11-22 01:56:22,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:22,895 INFO L225 Difference]: With dead ends: 1811 [2024-11-22 01:56:22,896 INFO L226 Difference]: Without dead ends: 1571 [2024-11-22 01:56:22,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 01:56:22,899 INFO L432 NwaCegarLoop]: 561 mSDtfsCounter, 491 mSDsluCounter, 1753 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 2314 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 01:56:22,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 2314 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 01:56:22,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2024-11-22 01:56:22,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1541. [2024-11-22 01:56:22,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1541 states, 1221 states have (on average 1.651105651105651) internal successors, (2016), 1230 states have internal predecessors, (2016), 273 states have call successors, (273), 42 states have call predecessors, (273), 46 states have return successors, (323), 268 states have call predecessors, (323), 272 states have call successors, (323) [2024-11-22 01:56:22,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 2612 transitions. [2024-11-22 01:56:22,962 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 2612 transitions. Word has length 116 [2024-11-22 01:56:22,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:22,963 INFO L471 AbstractCegarLoop]: Abstraction has 1541 states and 2612 transitions. [2024-11-22 01:56:22,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 7 states have internal predecessors, (103), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-22 01:56:22,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 2612 transitions. [2024-11-22 01:56:22,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-22 01:56:22,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:22,971 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:22,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-22 01:56:23,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:23,172 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:23,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:23,173 INFO L85 PathProgramCache]: Analyzing trace with hash -30505793, now seen corresponding path program 1 times [2024-11-22 01:56:23,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:23,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529601814] [2024-11-22 01:56:23,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:23,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:23,230 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 01:56:23,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:23,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529601814] [2024-11-22 01:56:23,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529601814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:23,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:56:23,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:56:23,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172470483] [2024-11-22 01:56:23,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:23,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:56:23,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:23,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:56:23,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:23,232 INFO L87 Difference]: Start difference. First operand 1541 states and 2612 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:56:23,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:23,308 INFO L93 Difference]: Finished difference Result 3745 states and 6431 transitions. [2024-11-22 01:56:23,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:56:23,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 2 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 [2024-11-22 01:56:23,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:23,324 INFO L225 Difference]: With dead ends: 3745 [2024-11-22 01:56:23,325 INFO L226 Difference]: Without dead ends: 2331 [2024-11-22 01:56:23,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:23,332 INFO L432 NwaCegarLoop]: 540 mSDtfsCounter, 124 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 1063 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 [2024-11-22 01:56:23,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 1063 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:23,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2331 states. [2024-11-22 01:56:23,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2331 to 2321. [2024-11-22 01:56:23,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2321 states, 1843 states have (on average 1.658166033640803) internal successors, (3056), 1852 states have internal predecessors, (3056), 431 states have call successors, (431), 42 states have call predecessors, (431), 46 states have return successors, (506), 426 states have call predecessors, (506), 430 states have call successors, (506) [2024-11-22 01:56:23,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 2321 states and 3993 transitions. [2024-11-22 01:56:23,473 INFO L78 Accepts]: Start accepts. Automaton has 2321 states and 3993 transitions. Word has length 122 [2024-11-22 01:56:23,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:23,474 INFO L471 AbstractCegarLoop]: Abstraction has 2321 states and 3993 transitions. [2024-11-22 01:56:23,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:56:23,474 INFO L276 IsEmpty]: Start isEmpty. Operand 2321 states and 3993 transitions. [2024-11-22 01:56:23,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-22 01:56:23,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:23,488 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:23,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 01:56:23,488 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:23,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:23,489 INFO L85 PathProgramCache]: Analyzing trace with hash -140401247, now seen corresponding path program 1 times [2024-11-22 01:56:23,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:23,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034827657] [2024-11-22 01:56:23,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:23,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:23,595 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 01:56:23,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:23,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034827657] [2024-11-22 01:56:23,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034827657] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:56:23,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695563196] [2024-11-22 01:56:23,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:23,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:23,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:56:23,598 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 01:56:23,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-22 01:56:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:23,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 01:56:23,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:56:23,894 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-22 01:56:23,894 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:56:23,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695563196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:23,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:56:23,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-22 01:56:23,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929703052] [2024-11-22 01:56:23,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:23,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:56:23,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:23,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:56:23,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:56:23,896 INFO L87 Difference]: Start difference. First operand 2321 states and 3993 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2024-11-22 01:56:23,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:23,986 INFO L93 Difference]: Finished difference Result 5643 states and 9772 transitions. [2024-11-22 01:56:23,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:56:23,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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 125 [2024-11-22 01:56:23,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:24,011 INFO L225 Difference]: With dead ends: 5643 [2024-11-22 01:56:24,012 INFO L226 Difference]: Without dead ends: 3555 [2024-11-22 01:56:24,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:56:24,023 INFO L432 NwaCegarLoop]: 529 mSDtfsCounter, 122 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1050 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 [2024-11-22 01:56:24,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1050 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:24,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3555 states. [2024-11-22 01:56:24,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3555 to 3545. [2024-11-22 01:56:24,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3545 states, 2829 states have (on average 1.6620714033227288) internal successors, (4702), 2838 states have internal predecessors, (4702), 669 states have call successors, (669), 42 states have call predecessors, (669), 46 states have return successors, (760), 664 states have call predecessors, (760), 668 states have call successors, (760) [2024-11-22 01:56:24,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 3545 states and 6131 transitions. [2024-11-22 01:56:24,218 INFO L78 Accepts]: Start accepts. Automaton has 3545 states and 6131 transitions. Word has length 125 [2024-11-22 01:56:24,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:24,219 INFO L471 AbstractCegarLoop]: Abstraction has 3545 states and 6131 transitions. [2024-11-22 01:56:24,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2024-11-22 01:56:24,219 INFO L276 IsEmpty]: Start isEmpty. Operand 3545 states and 6131 transitions. [2024-11-22 01:56:24,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-22 01:56:24,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:24,240 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:24,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-22 01:56:24,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-22 01:56:24,442 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:24,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:24,442 INFO L85 PathProgramCache]: Analyzing trace with hash 278780797, now seen corresponding path program 1 times [2024-11-22 01:56:24,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:24,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23028188] [2024-11-22 01:56:24,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:24,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:24,504 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 01:56:24,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:24,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23028188] [2024-11-22 01:56:24,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23028188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:24,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:56:24,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:56:24,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372988635] [2024-11-22 01:56:24,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:24,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:56:24,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:24,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:56:24,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:24,507 INFO L87 Difference]: Start difference. First operand 3545 states and 6131 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:56:24,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:24,624 INFO L93 Difference]: Finished difference Result 8493 states and 14806 transitions. [2024-11-22 01:56:24,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:56:24,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 2 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 [2024-11-22 01:56:24,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:24,658 INFO L225 Difference]: With dead ends: 8493 [2024-11-22 01:56:24,659 INFO L226 Difference]: Without dead ends: 5431 [2024-11-22 01:56:24,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:24,673 INFO L432 NwaCegarLoop]: 527 mSDtfsCounter, 120 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1045 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 [2024-11-22 01:56:24,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1045 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:24,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5431 states. [2024-11-22 01:56:24,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5431 to 5421. [2024-11-22 01:56:24,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5421 states, 4381 states have (on average 1.6658297192421823) internal successors, (7298), 4390 states have internal predecessors, (7298), 993 states have call successors, (993), 42 states have call predecessors, (993), 46 states have return successors, (1134), 988 states have call predecessors, (1134), 992 states have call successors, (1134) [2024-11-22 01:56:24,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5421 states to 5421 states and 9425 transitions. [2024-11-22 01:56:24,986 INFO L78 Accepts]: Start accepts. Automaton has 5421 states and 9425 transitions. Word has length 124 [2024-11-22 01:56:24,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:24,986 INFO L471 AbstractCegarLoop]: Abstraction has 5421 states and 9425 transitions. [2024-11-22 01:56:24,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:56:24,987 INFO L276 IsEmpty]: Start isEmpty. Operand 5421 states and 9425 transitions. [2024-11-22 01:56:25,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-22 01:56:25,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:25,016 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:25,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 01:56:25,016 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:25,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:25,017 INFO L85 PathProgramCache]: Analyzing trace with hash -2127173056, now seen corresponding path program 1 times [2024-11-22 01:56:25,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:25,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834761632] [2024-11-22 01:56:25,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:25,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:25,140 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 01:56:25,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:25,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834761632] [2024-11-22 01:56:25,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834761632] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:56:25,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418307217] [2024-11-22 01:56:25,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:25,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:25,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:56:25,144 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 01:56:25,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-22 01:56:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:25,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 991 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 01:56:25,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:56:25,469 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-22 01:56:25,469 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:56:25,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418307217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:25,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:56:25,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-22 01:56:25,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553514730] [2024-11-22 01:56:25,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:25,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:56:25,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:25,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:56:25,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:56:25,472 INFO L87 Difference]: Start difference. First operand 5421 states and 9425 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2024-11-22 01:56:25,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:25,698 INFO L93 Difference]: Finished difference Result 12991 states and 22762 transitions. [2024-11-22 01:56:25,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:56:25,699 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 127 [2024-11-22 01:56:25,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:25,752 INFO L225 Difference]: With dead ends: 12991 [2024-11-22 01:56:25,753 INFO L226 Difference]: Without dead ends: 8461 [2024-11-22 01:56:25,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:56:25,777 INFO L432 NwaCegarLoop]: 527 mSDtfsCounter, 118 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1045 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 [2024-11-22 01:56:25,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 1045 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:25,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8461 states. [2024-11-22 01:56:26,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8461 to 8451. [2024-11-22 01:56:26,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8451 states, 6921 states have (on average 1.6685450079468285) internal successors, (11548), 6930 states have internal predecessors, (11548), 1483 states have call successors, (1483), 42 states have call predecessors, (1483), 46 states have return successors, (1707), 1478 states have call predecessors, (1707), 1482 states have call successors, (1707) [2024-11-22 01:56:26,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8451 states to 8451 states and 14738 transitions. [2024-11-22 01:56:26,179 INFO L78 Accepts]: Start accepts. Automaton has 8451 states and 14738 transitions. Word has length 127 [2024-11-22 01:56:26,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:26,181 INFO L471 AbstractCegarLoop]: Abstraction has 8451 states and 14738 transitions. [2024-11-22 01:56:26,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2024-11-22 01:56:26,182 INFO L276 IsEmpty]: Start isEmpty. Operand 8451 states and 14738 transitions. [2024-11-22 01:56:26,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-22 01:56:26,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:26,212 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:26,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-22 01:56:26,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-22 01:56:26,413 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:26,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:26,414 INFO L85 PathProgramCache]: Analyzing trace with hash 941072730, now seen corresponding path program 1 times [2024-11-22 01:56:26,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:26,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044389488] [2024-11-22 01:56:26,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:26,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:26,504 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 01:56:26,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:26,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044389488] [2024-11-22 01:56:26,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044389488] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:56:26,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908016352] [2024-11-22 01:56:26,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:26,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:26,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:56:26,508 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 01:56:26,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-22 01:56:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:26,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 996 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 01:56:26,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:56:26,825 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-22 01:56:26,825 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:56:26,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908016352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:26,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:56:26,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-22 01:56:26,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135491615] [2024-11-22 01:56:26,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:26,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:56:26,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:26,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:56:26,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:56:26,827 INFO L87 Difference]: Start difference. First operand 8451 states and 14738 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2024-11-22 01:56:27,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:27,170 INFO L93 Difference]: Finished difference Result 21023 states and 36877 transitions. [2024-11-22 01:56:27,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:56:27,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 128 [2024-11-22 01:56:27,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:27,251 INFO L225 Difference]: With dead ends: 21023 [2024-11-22 01:56:27,251 INFO L226 Difference]: Without dead ends: 13927 [2024-11-22 01:56:27,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:56:27,287 INFO L432 NwaCegarLoop]: 542 mSDtfsCounter, 116 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1067 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 [2024-11-22 01:56:27,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1067 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:27,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13927 states. [2024-11-22 01:56:28,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13927 to 13917. [2024-11-22 01:56:28,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13917 states, 11401 states have (on average 1.6628365932812912) internal successors, (18958), 11410 states have internal predecessors, (18958), 2469 states have call successors, (2469), 42 states have call predecessors, (2469), 46 states have return successors, (2837), 2464 states have call predecessors, (2837), 2468 states have call successors, (2837) [2024-11-22 01:56:28,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13917 states to 13917 states and 24264 transitions. [2024-11-22 01:56:28,177 INFO L78 Accepts]: Start accepts. Automaton has 13917 states and 24264 transitions. Word has length 128 [2024-11-22 01:56:28,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:28,178 INFO L471 AbstractCegarLoop]: Abstraction has 13917 states and 24264 transitions. [2024-11-22 01:56:28,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2024-11-22 01:56:28,178 INFO L276 IsEmpty]: Start isEmpty. Operand 13917 states and 24264 transitions. [2024-11-22 01:56:28,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-22 01:56:28,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:28,222 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:28,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-22 01:56:28,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-22 01:56:28,423 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:28,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:28,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1054953099, now seen corresponding path program 1 times [2024-11-22 01:56:28,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:28,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097719165] [2024-11-22 01:56:28,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:28,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:28,493 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 01:56:28,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:28,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097719165] [2024-11-22 01:56:28,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097719165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:28,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:56:28,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:56:28,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705578424] [2024-11-22 01:56:28,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:28,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:56:28,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:28,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:56:28,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:28,496 INFO L87 Difference]: Start difference. First operand 13917 states and 24264 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:56:29,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:29,034 INFO L93 Difference]: Finished difference Result 35303 states and 61871 transitions. [2024-11-22 01:56:29,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:56:29,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (16), 2 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 [2024-11-22 01:56:29,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:29,145 INFO L225 Difference]: With dead ends: 35303 [2024-11-22 01:56:29,146 INFO L226 Difference]: Without dead ends: 23495 [2024-11-22 01:56:29,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:29,193 INFO L432 NwaCegarLoop]: 527 mSDtfsCounter, 114 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 1048 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 [2024-11-22 01:56:29,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 1048 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:29,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23495 states. [2024-11-22 01:56:30,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23495 to 23485. [2024-11-22 01:56:30,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23485 states, 19325 states have (on average 1.661785252263907) internal successors, (32114), 19334 states have internal predecessors, (32114), 4113 states have call successors, (4113), 42 states have call predecessors, (4113), 46 states have return successors, (4670), 4108 states have call predecessors, (4670), 4112 states have call successors, (4670) [2024-11-22 01:56:30,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23485 states to 23485 states and 40897 transitions. [2024-11-22 01:56:30,326 INFO L78 Accepts]: Start accepts. Automaton has 23485 states and 40897 transitions. Word has length 127 [2024-11-22 01:56:30,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:30,327 INFO L471 AbstractCegarLoop]: Abstraction has 23485 states and 40897 transitions. [2024-11-22 01:56:30,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:56:30,328 INFO L276 IsEmpty]: Start isEmpty. Operand 23485 states and 40897 transitions. [2024-11-22 01:56:30,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-22 01:56:30,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:30,381 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:30,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 01:56:30,382 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:30,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:30,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1627863032, now seen corresponding path program 1 times [2024-11-22 01:56:30,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:30,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432345884] [2024-11-22 01:56:30,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:30,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:30,506 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 01:56:30,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:30,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432345884] [2024-11-22 01:56:30,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432345884] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:56:30,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198795552] [2024-11-22 01:56:30,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:30,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:30,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:56:30,510 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 01:56:30,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-22 01:56:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:30,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 1006 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 01:56:30,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:56:30,848 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-22 01:56:30,848 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:56:30,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198795552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:30,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:56:30,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-22 01:56:30,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536124505] [2024-11-22 01:56:30,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:30,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:56:30,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:30,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:56:30,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:56:30,851 INFO L87 Difference]: Start difference. First operand 23485 states and 40897 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2024-11-22 01:56:31,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:31,979 INFO L93 Difference]: Finished difference Result 56169 states and 97735 transitions. [2024-11-22 01:56:31,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:56:31,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 130 [2024-11-22 01:56:31,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:32,180 INFO L225 Difference]: With dead ends: 56169 [2024-11-22 01:56:32,181 INFO L226 Difference]: Without dead ends: 36681 [2024-11-22 01:56:32,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:56:32,252 INFO L432 NwaCegarLoop]: 529 mSDtfsCounter, 112 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 1022 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 [2024-11-22 01:56:32,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 1022 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:32,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36681 states. [2024-11-22 01:56:33,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36681 to 36671. [2024-11-22 01:56:33,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36671 states, 30105 states have (on average 1.6358080053147317) internal successors, (49246), 30114 states have internal predecessors, (49246), 6519 states have call successors, (6519), 42 states have call predecessors, (6519), 46 states have return successors, (7501), 6514 states have call predecessors, (7501), 6518 states have call successors, (7501) [2024-11-22 01:56:34,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36671 states to 36671 states and 63266 transitions. [2024-11-22 01:56:34,029 INFO L78 Accepts]: Start accepts. Automaton has 36671 states and 63266 transitions. Word has length 130 [2024-11-22 01:56:34,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:34,029 INFO L471 AbstractCegarLoop]: Abstraction has 36671 states and 63266 transitions. [2024-11-22 01:56:34,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2024-11-22 01:56:34,030 INFO L276 IsEmpty]: Start isEmpty. Operand 36671 states and 63266 transitions. [2024-11-22 01:56:34,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-22 01:56:34,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:34,072 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:34,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-22 01:56:34,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:34,273 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:34,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:34,273 INFO L85 PathProgramCache]: Analyzing trace with hash 678658203, now seen corresponding path program 1 times [2024-11-22 01:56:34,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:34,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531620271] [2024-11-22 01:56:34,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:34,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:34,368 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 01:56:34,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:34,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531620271] [2024-11-22 01:56:34,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531620271] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:56:34,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911695268] [2024-11-22 01:56:34,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:34,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:34,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:56:34,373 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 01:56:34,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-22 01:56:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:34,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 1011 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 01:56:34,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:56:34,686 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-22 01:56:34,687 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:56:34,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911695268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:34,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:56:34,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-22 01:56:34,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443022854] [2024-11-22 01:56:34,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:34,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:56:34,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:34,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:56:34,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:56:34,689 INFO L87 Difference]: Start difference. First operand 36671 states and 63266 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (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) [2024-11-22 01:56:36,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:36,712 INFO L93 Difference]: Finished difference Result 97013 states and 168066 transitions. [2024-11-22 01:56:36,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:56:36,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (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 131 [2024-11-22 01:56:36,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:37,016 INFO L225 Difference]: With dead ends: 97013 [2024-11-22 01:56:37,017 INFO L226 Difference]: Without dead ends: 65553 [2024-11-22 01:56:37,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:56:37,354 INFO L432 NwaCegarLoop]: 527 mSDtfsCounter, 110 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 1048 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 [2024-11-22 01:56:37,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 1048 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:37,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65553 states. [2024-11-22 01:56:39,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65553 to 65543. [2024-11-22 01:56:39,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65543 states, 54077 states have (on average 1.6321171662629215) internal successors, (88260), 54086 states have internal predecessors, (88260), 11419 states have call successors, (11419), 42 states have call predecessors, (11419), 46 states have return successors, (13215), 11414 states have call predecessors, (13215), 11418 states have call successors, (13215) [2024-11-22 01:56:39,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65543 states to 65543 states and 112894 transitions. [2024-11-22 01:56:39,892 INFO L78 Accepts]: Start accepts. Automaton has 65543 states and 112894 transitions. Word has length 131 [2024-11-22 01:56:39,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:39,893 INFO L471 AbstractCegarLoop]: Abstraction has 65543 states and 112894 transitions. [2024-11-22 01:56:39,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (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) [2024-11-22 01:56:39,893 INFO L276 IsEmpty]: Start isEmpty. Operand 65543 states and 112894 transitions. [2024-11-22 01:56:40,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-22 01:56:40,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:40,469 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:40,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-22 01:56:40,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:56:40,670 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:40,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:40,671 INFO L85 PathProgramCache]: Analyzing trace with hash -36103163, now seen corresponding path program 1 times [2024-11-22 01:56:40,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:40,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69847419] [2024-11-22 01:56:40,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:40,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:40,759 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 01:56:40,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:40,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69847419] [2024-11-22 01:56:40,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69847419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:40,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:56:40,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:56:40,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461196429] [2024-11-22 01:56:40,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:40,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:56:40,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:40,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:56:40,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:40,763 INFO L87 Difference]: Start difference. First operand 65543 states and 112894 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:56:43,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:43,757 INFO L93 Difference]: Finished difference Result 178807 states and 308490 transitions. [2024-11-22 01:56:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:56:43,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (16), 2 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 [2024-11-22 01:56:43,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:44,245 INFO L225 Difference]: With dead ends: 178807 [2024-11-22 01:56:44,246 INFO L226 Difference]: Without dead ends: 120227 [2024-11-22 01:56:44,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:44,390 INFO L432 NwaCegarLoop]: 530 mSDtfsCounter, 108 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 1051 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 [2024-11-22 01:56:44,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 1051 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:44,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120227 states. [2024-11-22 01:56:48,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120227 to 120217. [2024-11-22 01:56:48,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120217 states, 99725 states have (on average 1.627535723238907) internal successors, (162306), 99734 states have internal predecessors, (162306), 20445 states have call successors, (20445), 42 states have call predecessors, (20445), 46 states have return successors, (23305), 20440 states have call predecessors, (23305), 20444 states have call successors, (23305) [2024-11-22 01:56:49,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120217 states to 120217 states and 206056 transitions. [2024-11-22 01:56:49,277 INFO L78 Accepts]: Start accepts. Automaton has 120217 states and 206056 transitions. Word has length 130 [2024-11-22 01:56:49,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:56:49,279 INFO L471 AbstractCegarLoop]: Abstraction has 120217 states and 206056 transitions. [2024-11-22 01:56:49,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:56:49,279 INFO L276 IsEmpty]: Start isEmpty. Operand 120217 states and 206056 transitions. [2024-11-22 01:56:49,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-22 01:56:49,353 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:56:49,353 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:56:49,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-22 01:56:49,354 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:56:49,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:56:49,355 INFO L85 PathProgramCache]: Analyzing trace with hash -223872012, now seen corresponding path program 1 times [2024-11-22 01:56:49,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:56:49,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806208861] [2024-11-22 01:56:49,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:56:49,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:56:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:56:49,409 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 01:56:49,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:56:49,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806208861] [2024-11-22 01:56:49,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806208861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:56:49,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:56:49,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:56:49,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042717770] [2024-11-22 01:56:49,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:56:49,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:56:49,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:56:49,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:56:49,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:49,412 INFO L87 Difference]: Start difference. First operand 120217 states and 206056 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:56:54,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:56:54,345 INFO L93 Difference]: Finished difference Result 224983 states and 386499 transitions. [2024-11-22 01:56:54,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:56:54,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 131 [2024-11-22 01:56:54,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:56:55,737 INFO L225 Difference]: With dead ends: 224983 [2024-11-22 01:56:55,737 INFO L226 Difference]: Without dead ends: 224743 [2024-11-22 01:56:55,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:56:55,828 INFO L432 NwaCegarLoop]: 536 mSDtfsCounter, 103 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 1062 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:56:55,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 1062 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:56:55,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224743 states. [2024-11-22 01:57:03,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224743 to 224733. [2024-11-22 01:57:03,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224733 states, 187505 states have (on average 1.6219300818644835) internal successors, (304120), 187514 states have internal predecessors, (304120), 37181 states have call successors, (37181), 42 states have call predecessors, (37181), 46 states have return successors, (42656), 37176 states have call predecessors, (42656), 37180 states have call successors, (42656) [2024-11-22 01:57:04,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224733 states to 224733 states and 383957 transitions. [2024-11-22 01:57:05,355 INFO L78 Accepts]: Start accepts. Automaton has 224733 states and 383957 transitions. Word has length 131 [2024-11-22 01:57:05,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:57:05,356 INFO L471 AbstractCegarLoop]: Abstraction has 224733 states and 383957 transitions. [2024-11-22 01:57:05,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:57:05,356 INFO L276 IsEmpty]: Start isEmpty. Operand 224733 states and 383957 transitions. [2024-11-22 01:57:05,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-22 01:57:05,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:57:05,441 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:57:05,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-22 01:57:05,441 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:57:05,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:57:05,442 INFO L85 PathProgramCache]: Analyzing trace with hash 2016845567, now seen corresponding path program 1 times [2024-11-22 01:57:05,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:57:05,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133554276] [2024-11-22 01:57:05,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:57:05,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:57:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:57:05,556 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 01:57:05,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:57:05,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133554276] [2024-11-22 01:57:05,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133554276] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:57:05,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310021208] [2024-11-22 01:57:05,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:57:05,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:57:05,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:57:05,559 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 01:57:05,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-22 01:57:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:57:05,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 01:57:05,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:57:06,102 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 01:57:06,102 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:57:06,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310021208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:57:06,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:57:06,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [5] total 16 [2024-11-22 01:57:06,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16275992] [2024-11-22 01:57:06,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:57:06,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 01:57:06,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:57:06,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 01:57:06,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2024-11-22 01:57:06,107 INFO L87 Difference]: Start difference. First operand 224733 states and 383957 transitions. Second operand has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 10 states have internal predecessors, (90), 6 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (13), 7 states have call predecessors, (13), 6 states have call successors, (13)