./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 e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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 0.3.0-?-e2fb8be-m [2025-03-08 05:33:44,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 05:33:44,385 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 05:33:44,389 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 05:33:44,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 05:33:44,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 05:33:44,414 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 05:33:44,415 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 05:33:44,415 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 05:33:44,415 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 05:33:44,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 05:33:44,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 05:33:44,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 05:33:44,416 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 05:33:44,416 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 05:33:44,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 05:33:44,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 05:33:44,416 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 05:33:44,417 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 05:33:44,417 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 05:33:44,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 05:33:44,417 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 05:33:44,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 05:33:44,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 05:33:44,417 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 05:33:44,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 05:33:44,417 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 05:33:44,417 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 05:33:44,417 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 05:33:44,417 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 05:33:44,417 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 05:33:44,417 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 05:33:44,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 05:33:44,417 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 05:33:44,417 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 05:33:44,418 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 05:33:44,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 05:33:44,418 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 05:33:44,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 05:33:44,418 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 05:33:44,418 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 05:33:44,418 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 05:33:44,418 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 05:33:44,418 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 [2025-03-08 05:33:44,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 05:33:44,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 05:33:44,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 05:33:44,685 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 05:33:44,686 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 05:33:44,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product17.cil.c [2025-03-08 05:33:45,892 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e1bbce65/d97118bc13714c87852d9965f4c2ef0e/FLAG2d4c2ac4b [2025-03-08 05:33:46,184 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 05:33:46,185 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product17.cil.c [2025-03-08 05:33:46,198 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e1bbce65/d97118bc13714c87852d9965f4c2ef0e/FLAG2d4c2ac4b [2025-03-08 05:33:46,213 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e1bbce65/d97118bc13714c87852d9965f4c2ef0e [2025-03-08 05:33:46,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 05:33:46,216 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 05:33:46,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 05:33:46,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 05:33:46,220 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 05:33:46,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:33:46" (1/1) ... [2025-03-08 05:33:46,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b122b2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:33:46, skipping insertion in model container [2025-03-08 05:33:46,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:33:46" (1/1) ... [2025-03-08 05:33:46,254 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 05:33:46,599 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] [2025-03-08 05:33:46,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 05:33:46,674 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 05:33:46,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [48] [2025-03-08 05:33:46,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [90] [2025-03-08 05:33:46,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1169] [2025-03-08 05:33:46,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1467] [2025-03-08 05:33:46,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1774] [2025-03-08 05:33:46,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1809] [2025-03-08 05:33:46,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2212] [2025-03-08 05:33:46,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2229] [2025-03-08 05:33:46,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2238] [2025-03-08 05:33:46,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2335] [2025-03-08 05:33:46,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2551] [2025-03-08 05:33:46,754 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] [2025-03-08 05:33:46,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 05:33:46,802 INFO L204 MainTranslator]: Completed translation [2025-03-08 05:33:46,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:33:46 WrapperNode [2025-03-08 05:33:46,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 05:33:46,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 05:33:46,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 05:33:46,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 05:33:46,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:33:46" (1/1) ... [2025-03-08 05:33:46,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:33:46" (1/1) ... [2025-03-08 05:33:46,863 INFO L138 Inliner]: procedures = 127, calls = 192, calls flagged for inlining = 53, calls inlined = 46, statements flattened = 904 [2025-03-08 05:33:46,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 05:33:46,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 05:33:46,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 05:33:46,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 05:33:46,876 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:33:46" (1/1) ... [2025-03-08 05:33:46,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:33:46" (1/1) ... [2025-03-08 05:33:46,880 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:33:46" (1/1) ... [2025-03-08 05:33:46,909 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]. [2025-03-08 05:33:46,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:33:46" (1/1) ... [2025-03-08 05:33:46,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:33:46" (1/1) ... [2025-03-08 05:33:46,920 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:33:46" (1/1) ... [2025-03-08 05:33:46,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:33:46" (1/1) ... [2025-03-08 05:33:46,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:33:46" (1/1) ... [2025-03-08 05:33:46,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:33:46" (1/1) ... [2025-03-08 05:33:46,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 05:33:46,942 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 05:33:46,943 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 05:33:46,943 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 05:33:46,944 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:33:46" (1/1) ... [2025-03-08 05:33:46,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 05:33:46,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:33:46,970 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) [2025-03-08 05:33:46,975 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 [2025-03-08 05:33:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2025-03-08 05:33:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2025-03-08 05:33:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2025-03-08 05:33:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2025-03-08 05:33:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2025-03-08 05:33:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2025-03-08 05:33:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2025-03-08 05:33:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2025-03-08 05:33:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2025-03-08 05:33:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2025-03-08 05:33:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2025-03-08 05:33:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2025-03-08 05:33:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2025-03-08 05:33:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2025-03-08 05:33:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2025-03-08 05:33:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2025-03-08 05:33:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2025-03-08 05:33:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2025-03-08 05:33:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2025-03-08 05:33:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2025-03-08 05:33:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2025-03-08 05:33:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2025-03-08 05:33:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2025-03-08 05:33:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2025-03-08 05:33:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 05:33:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2025-03-08 05:33:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2025-03-08 05:33:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2025-03-08 05:33:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2025-03-08 05:33:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2025-03-08 05:33:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2025-03-08 05:33:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2025-03-08 05:33:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2025-03-08 05:33:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2025-03-08 05:33:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2025-03-08 05:33:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2025-03-08 05:33:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2025-03-08 05:33:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2025-03-08 05:33:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2025-03-08 05:33:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2025-03-08 05:33:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2025-03-08 05:33:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 05:33:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 05:33:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 05:33:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 05:33:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2025-03-08 05:33:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2025-03-08 05:33:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2025-03-08 05:33:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2025-03-08 05:33:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 05:33:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 05:33:47,145 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 05:33:47,146 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 05:33:47,221 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2119: #res := ~retValue_acc~33; [2025-03-08 05:33:47,261 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L758-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~10#1; [2025-03-08 05:33:47,262 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L803: #res#1 := ~retValue_acc~11#1; [2025-03-08 05:33:47,270 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L711: #res := ~retValue_acc~9; [2025-03-08 05:33:47,282 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2332-1: createEmail_#res#1 := createEmail_~retValue_acc~39#1; [2025-03-08 05:33:47,294 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L255: #res := ~retValue_acc~3; [2025-03-08 05:33:47,466 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1146-1: getClientId_#res#1 := getClientId_~retValue_acc~16#1; [2025-03-08 05:33:47,466 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1027-1: findPublicKey_#res#1 := findPublicKey_~retValue_acc~14#1; [2025-03-08 05:33:47,466 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1685-1: isKeyPairValid_#res#1 := isKeyPairValid_~retValue_acc~22#1; [2025-03-08 05:33:47,471 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2156: #res := ~retValue_acc~34; [2025-03-08 05:33:47,490 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1930: #res := ~retValue_acc~28; [2025-03-08 05:33:47,536 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L581: #res := ~retValue_acc~7; [2025-03-08 05:33:47,753 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1806-1: valid_product_#res#1 := valid_product_~retValue_acc~24#1; [2025-03-08 05:33:47,753 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L973-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~13#1; [2025-03-08 05:33:47,753 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1642-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~19#1; [2025-03-08 05:33:47,754 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L866-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~12#1; [2025-03-08 05:33:47,754 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1651-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~20#1; [2025-03-08 05:33:47,754 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1660-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~21#1; [2025-03-08 05:33:47,759 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1893: #res := ~retValue_acc~27; [2025-03-08 05:33:47,761 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2308: #res := ~retValue_acc~37; [2025-03-08 05:33:47,868 INFO L? ?]: Removed 467 outVars from TransFormulas that were not future-live. [2025-03-08 05:33:47,868 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 05:33:47,883 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 05:33:47,886 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 05:33:47,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:33:47 BoogieIcfgContainer [2025-03-08 05:33:47,887 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 05:33:47,889 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 05:33:47,889 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 05:33:47,893 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 05:33:47,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:33:46" (1/3) ... [2025-03-08 05:33:47,894 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0df923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:33:47, skipping insertion in model container [2025-03-08 05:33:47,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:33:46" (2/3) ... [2025-03-08 05:33:47,894 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0df923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:33:47, skipping insertion in model container [2025-03-08 05:33:47,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:33:47" (3/3) ... [2025-03-08 05:33:47,895 INFO L128 eAbstractionObserver]: Analyzing ICFG email_spec4_product17.cil.c [2025-03-08 05:33:47,907 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 05:33:47,911 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG email_spec4_product17.cil.c that has 23 procedures, 350 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 05:33:47,962 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 05:33:47,973 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;@65f5cdce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 05:33:47,973 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 05:33:47,979 INFO L276 IsEmpty]: Start isEmpty. Operand has 350 states, 276 states have (on average 1.5833333333333333) internal successors, (437), 279 states have internal predecessors, (437), 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) [2025-03-08 05:33:47,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-08 05:33:47,990 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:33:47,992 INFO L218 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] [2025-03-08 05:33:47,992 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:33:47,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:33:47,997 INFO L85 PathProgramCache]: Analyzing trace with hash -118787650, now seen corresponding path program 1 times [2025-03-08 05:33:48,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:33:48,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647010259] [2025-03-08 05:33:48,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:33:48,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:33:48,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-08 05:33:48,152 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-08 05:33:48,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:33:48,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:33:48,561 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-03-08 05:33:48,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:33:48,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647010259] [2025-03-08 05:33:48,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647010259] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:33:48,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613441994] [2025-03-08 05:33:48,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:33:48,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:33:48,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:33:48,565 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) [2025-03-08 05:33:48,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 05:33:48,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-08 05:33:48,820 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-08 05:33:48,821 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:33:48,821 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:33:48,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-08 05:33:48,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:33:48,874 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-03-08 05:33:48,874 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:33:48,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613441994] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:33:48,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:33:48,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-03-08 05:33:48,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181615785] [2025-03-08 05:33:48,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:33:48,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:33:48,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:33:48,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:33:48,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 05:33:48,895 INFO L87 Difference]: Start difference. First operand has 350 states, 276 states have (on average 1.5833333333333333) internal successors, (437), 279 states have internal predecessors, (437), 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 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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) [2025-03-08 05:33:48,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:33:48,956 INFO L93 Difference]: Finished difference Result 515 states and 778 transitions. [2025-03-08 05:33:48,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:33:48,958 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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 [2025-03-08 05:33:48,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:33:48,969 INFO L225 Difference]: With dead ends: 515 [2025-03-08 05:33:48,969 INFO L226 Difference]: Without dead ends: 344 [2025-03-08 05:33:48,973 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 05:33:48,975 INFO L435 NwaCegarLoop]: 533 mSDtfsCounter, 0 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1063 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 [2025-03-08 05:33:48,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1063 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:33:48,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2025-03-08 05:33:49,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2025-03-08 05:33:49,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 271 states have (on average 1.5793357933579335) internal successors, (428), 273 states have internal predecessors, (428), 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) [2025-03-08 05:33:49,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 527 transitions. [2025-03-08 05:33:49,027 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 527 transitions. Word has length 101 [2025-03-08 05:33:49,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:33:49,028 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 527 transitions. [2025-03-08 05:33:49,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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) [2025-03-08 05:33:49,029 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 527 transitions. [2025-03-08 05:33:49,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-08 05:33:49,035 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:33:49,035 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:33:49,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 05:33:49,235 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 [2025-03-08 05:33:49,236 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:33:49,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:33:49,236 INFO L85 PathProgramCache]: Analyzing trace with hash -656177162, now seen corresponding path program 1 times [2025-03-08 05:33:49,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:33:49,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490733853] [2025-03-08 05:33:49,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:33:49,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:33:49,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-08 05:33:49,280 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-08 05:33:49,280 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:33:49,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:33:49,470 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-08 05:33:49,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:33:49,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490733853] [2025-03-08 05:33:49,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490733853] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:33:49,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262648254] [2025-03-08 05:33:49,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:33:49,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:33:49,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:33:49,473 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) [2025-03-08 05:33:49,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 05:33:49,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-08 05:33:49,698 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-08 05:33:49,698 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:33:49,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:33:49,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 962 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-08 05:33:49,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:33:49,726 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-03-08 05:33:49,726 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:33:49,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262648254] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:33:49,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:33:49,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-03-08 05:33:49,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293870186] [2025-03-08 05:33:49,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:33:49,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:33:49,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:33:49,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:33:49,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 05:33:49,733 INFO L87 Difference]: Start difference. First operand 344 states and 527 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2025-03-08 05:33:49,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:33:49,763 INFO L93 Difference]: Finished difference Result 730 states and 1137 transitions. [2025-03-08 05:33:49,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:33:49,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 105 [2025-03-08 05:33:49,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:33:49,778 INFO L225 Difference]: With dead ends: 730 [2025-03-08 05:33:49,778 INFO L226 Difference]: Without dead ends: 412 [2025-03-08 05:33:49,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 05:33:49,780 INFO L435 NwaCegarLoop]: 531 mSDtfsCounter, 126 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1008 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 [2025-03-08 05:33:49,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1008 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:33:49,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2025-03-08 05:33:49,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 404. [2025-03-08 05:33:49,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 317 states have (on average 1.5993690851735016) internal successors, (507), 319 states have internal predecessors, (507), 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) [2025-03-08 05:33:49,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 634 transitions. [2025-03-08 05:33:49,811 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 634 transitions. Word has length 105 [2025-03-08 05:33:49,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:33:49,812 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 634 transitions. [2025-03-08 05:33:49,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2025-03-08 05:33:49,813 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 634 transitions. [2025-03-08 05:33:49,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-03-08 05:33:49,817 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:33:49,817 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:33:49,825 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 05:33:50,017 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 [2025-03-08 05:33:50,018 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:33:50,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:33:50,019 INFO L85 PathProgramCache]: Analyzing trace with hash 565670541, now seen corresponding path program 1 times [2025-03-08 05:33:50,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:33:50,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643868985] [2025-03-08 05:33:50,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:33:50,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:33:50,041 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-08 05:33:50,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-08 05:33:50,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:33:50,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:33:50,235 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-08 05:33:50,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:33:50,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643868985] [2025-03-08 05:33:50,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643868985] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:33:50,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066374020] [2025-03-08 05:33:50,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:33:50,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:33:50,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:33:50,240 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) [2025-03-08 05:33:50,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 05:33:50,372 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-08 05:33:50,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-08 05:33:50,470 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:33:50,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:33:50,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-08 05:33:50,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:33:50,525 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-03-08 05:33:50,526 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:33:50,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066374020] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:33:50,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:33:50,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-03-08 05:33:50,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171169180] [2025-03-08 05:33:50,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:33:50,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:33:50,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:33:50,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:33:50,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:33:50,528 INFO L87 Difference]: Start difference. First operand 404 states and 634 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), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-08 05:33:50,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:33:50,586 INFO L93 Difference]: Finished difference Result 799 states and 1258 transitions. [2025-03-08 05:33:50,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:33:50,589 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), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 106 [2025-03-08 05:33:50,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:33:50,591 INFO L225 Difference]: With dead ends: 799 [2025-03-08 05:33:50,591 INFO L226 Difference]: Without dead ends: 406 [2025-03-08 05:33:50,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:33:50,595 INFO L435 NwaCegarLoop]: 518 mSDtfsCounter, 2 mSDsluCounter, 1543 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2061 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 [2025-03-08 05:33:50,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2061 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:33:50,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2025-03-08 05:33:50,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2025-03-08 05:33:50,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 318 states have (on average 1.5974842767295598) internal successors, (508), 321 states have internal predecessors, (508), 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) [2025-03-08 05:33:50,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 637 transitions. [2025-03-08 05:33:50,619 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 637 transitions. Word has length 106 [2025-03-08 05:33:50,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:33:50,619 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 637 transitions. [2025-03-08 05:33:50,620 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), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-08 05:33:50,620 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 637 transitions. [2025-03-08 05:33:50,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-03-08 05:33:50,622 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:33:50,622 INFO L218 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] [2025-03-08 05:33:50,630 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-08 05:33:50,823 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 [2025-03-08 05:33:50,823 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:33:50,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:33:50,823 INFO L85 PathProgramCache]: Analyzing trace with hash 577139631, now seen corresponding path program 1 times [2025-03-08 05:33:50,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:33:50,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919562281] [2025-03-08 05:33:50,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:33:50,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:33:50,839 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-08 05:33:50,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-08 05:33:50,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:33:50,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:33:50,975 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-03-08 05:33:50,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:33:50,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919562281] [2025-03-08 05:33:50,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919562281] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:33:50,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985085509] [2025-03-08 05:33:50,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:33:50,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:33:50,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:33:50,979 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) [2025-03-08 05:33:50,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-08 05:33:51,105 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-08 05:33:51,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-08 05:33:51,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:33:51,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:33:51,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-08 05:33:51,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:33:51,256 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-03-08 05:33:51,257 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:33:51,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985085509] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:33:51,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:33:51,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2025-03-08 05:33:51,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670269841] [2025-03-08 05:33:51,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:33:51,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:33:51,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:33:51,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:33:51,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-08 05:33:51,259 INFO L87 Difference]: Start difference. First operand 406 states and 637 transitions. Second operand has 5 states, 5 states have (on average 14.0) 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), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-08 05:33:51,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:33:51,329 INFO L93 Difference]: Finished difference Result 801 states and 1263 transitions. [2025-03-08 05:33:51,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:33:51,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) 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), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 107 [2025-03-08 05:33:51,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:33:51,335 INFO L225 Difference]: With dead ends: 801 [2025-03-08 05:33:51,336 INFO L226 Difference]: Without dead ends: 408 [2025-03-08 05:33:51,337 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-08 05:33:51,338 INFO L435 NwaCegarLoop]: 516 mSDtfsCounter, 2 mSDsluCounter, 1531 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2047 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 [2025-03-08 05:33:51,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2047 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:33:51,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2025-03-08 05:33:51,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2025-03-08 05:33:51,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 319 states have (on average 1.5956112852664577) internal successors, (509), 323 states have internal predecessors, (509), 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) [2025-03-08 05:33:51,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 643 transitions. [2025-03-08 05:33:51,361 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 643 transitions. Word has length 107 [2025-03-08 05:33:51,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:33:51,361 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 643 transitions. [2025-03-08 05:33:51,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) 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), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-08 05:33:51,361 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 643 transitions. [2025-03-08 05:33:51,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-03-08 05:33:51,364 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:33:51,364 INFO L218 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] [2025-03-08 05:33:51,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-08 05:33:51,564 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 [2025-03-08 05:33:51,564 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:33:51,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:33:51,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1711314977, now seen corresponding path program 1 times [2025-03-08 05:33:51,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:33:51,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037925789] [2025-03-08 05:33:51,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:33:51,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:33:51,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-03-08 05:33:51,587 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-03-08 05:33:51,587 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:33:51,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:33:51,703 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-08 05:33:51,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:33:51,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037925789] [2025-03-08 05:33:51,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037925789] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:33:51,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:33:51,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 05:33:51,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065195619] [2025-03-08 05:33:51,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:33:51,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:33:51,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:33:51,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:33:51,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 05:33:51,706 INFO L87 Difference]: Start difference. First operand 408 states and 643 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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) [2025-03-08 05:33:51,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:33:51,744 INFO L93 Difference]: Finished difference Result 793 states and 1254 transitions. [2025-03-08 05:33:51,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:33:51,745 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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 108 [2025-03-08 05:33:51,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:33:51,747 INFO L225 Difference]: With dead ends: 793 [2025-03-08 05:33:51,748 INFO L226 Difference]: Without dead ends: 408 [2025-03-08 05:33:51,749 INFO L434 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 [2025-03-08 05:33:51,749 INFO L435 NwaCegarLoop]: 519 mSDtfsCounter, 2 mSDsluCounter, 1546 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2065 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 [2025-03-08 05:33:51,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2065 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:33:51,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2025-03-08 05:33:51,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2025-03-08 05:33:51,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 319 states have (on average 1.5956112852664577) internal successors, (509), 323 states have internal predecessors, (509), 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) [2025-03-08 05:33:51,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 642 transitions. [2025-03-08 05:33:51,762 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 642 transitions. Word has length 108 [2025-03-08 05:33:51,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:33:51,763 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 642 transitions. [2025-03-08 05:33:51,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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) [2025-03-08 05:33:51,763 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 642 transitions. [2025-03-08 05:33:51,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-03-08 05:33:51,765 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:33:51,765 INFO L218 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] [2025-03-08 05:33:51,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 05:33:51,765 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:33:51,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:33:51,765 INFO L85 PathProgramCache]: Analyzing trace with hash 693869087, now seen corresponding path program 2 times [2025-03-08 05:33:51,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:33:51,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509608892] [2025-03-08 05:33:51,766 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-08 05:33:51,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:33:51,780 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 109 statements into 2 equivalence classes. [2025-03-08 05:33:51,787 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 45 of 109 statements. [2025-03-08 05:33:51,788 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-08 05:33:51,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:33:51,902 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-03-08 05:33:51,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:33:51,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509608892] [2025-03-08 05:33:51,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509608892] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:33:51,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:33:51,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 05:33:51,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668755544] [2025-03-08 05:33:51,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:33:51,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 05:33:51,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:33:51,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 05:33:51,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:33:51,906 INFO L87 Difference]: Start difference. First operand 408 states and 642 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 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) [2025-03-08 05:33:52,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:33:52,219 INFO L93 Difference]: Finished difference Result 826 states and 1307 transitions. [2025-03-08 05:33:52,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-08 05:33:52,220 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 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 109 [2025-03-08 05:33:52,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:33:52,224 INFO L225 Difference]: With dead ends: 826 [2025-03-08 05:33:52,224 INFO L226 Difference]: Without dead ends: 822 [2025-03-08 05:33:52,224 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2025-03-08 05:33:52,225 INFO L435 NwaCegarLoop]: 540 mSDtfsCounter, 890 mSDsluCounter, 2559 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 891 SdHoareTripleChecker+Valid, 3099 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 05:33:52,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [891 Valid, 3099 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 05:33:52,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2025-03-08 05:33:52,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 811. [2025-03-08 05:33:52,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 636 states have (on average 1.60062893081761) internal successors, (1018), 641 states have internal predecessors, (1018), 126 states have call successors, (126), 45 states have call predecessors, (126), 48 states have return successors, (140), 124 states have call predecessors, (140), 124 states have call successors, (140) [2025-03-08 05:33:52,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1284 transitions. [2025-03-08 05:33:52,295 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1284 transitions. Word has length 109 [2025-03-08 05:33:52,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:33:52,296 INFO L471 AbstractCegarLoop]: Abstraction has 811 states and 1284 transitions. [2025-03-08 05:33:52,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 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) [2025-03-08 05:33:52,296 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1284 transitions. [2025-03-08 05:33:52,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-03-08 05:33:52,301 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:33:52,302 INFO L218 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] [2025-03-08 05:33:52,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 05:33:52,302 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:33:52,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:33:52,303 INFO L85 PathProgramCache]: Analyzing trace with hash -511079637, now seen corresponding path program 1 times [2025-03-08 05:33:52,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:33:52,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99023300] [2025-03-08 05:33:52,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:33:52,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:33:52,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-08 05:33:52,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-08 05:33:52,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:33:52,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:33:52,455 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-08 05:33:52,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:33:52,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99023300] [2025-03-08 05:33:52,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99023300] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:33:52,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:33:52,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 05:33:52,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815565378] [2025-03-08 05:33:52,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:33:52,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:33:52,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:33:52,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:33:52,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 05:33:52,458 INFO L87 Difference]: Start difference. First operand 811 states and 1284 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 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) [2025-03-08 05:33:52,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:33:52,513 INFO L93 Difference]: Finished difference Result 1591 states and 2528 transitions. [2025-03-08 05:33:52,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:33:52,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 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 110 [2025-03-08 05:33:52,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:33:52,519 INFO L225 Difference]: With dead ends: 1591 [2025-03-08 05:33:52,519 INFO L226 Difference]: Without dead ends: 815 [2025-03-08 05:33:52,521 INFO L434 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 [2025-03-08 05:33:52,522 INFO L435 NwaCegarLoop]: 520 mSDtfsCounter, 1 mSDsluCounter, 1548 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2068 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 [2025-03-08 05:33:52,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2068 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:33:52,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2025-03-08 05:33:52,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 815. [2025-03-08 05:33:52,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 815 states, 638 states have (on average 1.598746081504702) internal successors, (1020), 645 states have internal predecessors, (1020), 126 states have call successors, (126), 45 states have call predecessors, (126), 50 states have return successors, (143), 124 states have call predecessors, (143), 124 states have call successors, (143) [2025-03-08 05:33:52,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1289 transitions. [2025-03-08 05:33:52,559 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1289 transitions. Word has length 110 [2025-03-08 05:33:52,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:33:52,560 INFO L471 AbstractCegarLoop]: Abstraction has 815 states and 1289 transitions. [2025-03-08 05:33:52,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 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) [2025-03-08 05:33:52,560 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1289 transitions. [2025-03-08 05:33:52,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-03-08 05:33:52,564 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:33:52,564 INFO L218 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] [2025-03-08 05:33:52,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 05:33:52,564 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:33:52,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:33:52,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1172177554, now seen corresponding path program 1 times [2025-03-08 05:33:52,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:33:52,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672314149] [2025-03-08 05:33:52,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:33:52,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:33:52,583 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-03-08 05:33:52,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-03-08 05:33:52,589 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:33:52,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:33:52,690 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-03-08 05:33:52,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:33:52,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672314149] [2025-03-08 05:33:52,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672314149] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:33:52,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:33:52,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 05:33:52,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131650789] [2025-03-08 05:33:52,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:33:52,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 05:33:52,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:33:52,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 05:33:52,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:33:52,692 INFO L87 Difference]: Start difference. First operand 815 states and 1289 transitions. Second operand has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 8 states have internal predecessors, (73), 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) [2025-03-08 05:33:52,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:33:52,838 INFO L93 Difference]: Finished difference Result 1590 states and 2521 transitions. [2025-03-08 05:33:52,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-08 05:33:52,839 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 8 states have internal predecessors, (73), 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 111 [2025-03-08 05:33:52,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:33:52,844 INFO L225 Difference]: With dead ends: 1590 [2025-03-08 05:33:52,844 INFO L226 Difference]: Without dead ends: 819 [2025-03-08 05:33:52,846 INFO L434 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 [2025-03-08 05:33:52,847 INFO L435 NwaCegarLoop]: 510 mSDtfsCounter, 7 mSDsluCounter, 3031 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3541 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 [2025-03-08 05:33:52,847 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 3541 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 05:33:52,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2025-03-08 05:33:52,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 817. [2025-03-08 05:33:52,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 817 states, 640 states have (on average 1.596875) internal successors, (1022), 646 states have internal predecessors, (1022), 126 states have call successors, (126), 46 states have call predecessors, (126), 50 states have return successors, (141), 124 states have call predecessors, (141), 124 states have call successors, (141) [2025-03-08 05:33:52,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1289 transitions. [2025-03-08 05:33:52,886 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1289 transitions. Word has length 111 [2025-03-08 05:33:52,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:33:52,887 INFO L471 AbstractCegarLoop]: Abstraction has 817 states and 1289 transitions. [2025-03-08 05:33:52,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 8 states have internal predecessors, (73), 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) [2025-03-08 05:33:52,887 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1289 transitions. [2025-03-08 05:33:52,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-08 05:33:52,891 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:33:52,891 INFO L218 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] [2025-03-08 05:33:52,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 05:33:52,891 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:33:52,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:33:52,892 INFO L85 PathProgramCache]: Analyzing trace with hash 311471610, now seen corresponding path program 2 times [2025-03-08 05:33:52,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:33:52,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065120208] [2025-03-08 05:33:52,892 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-08 05:33:52,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:33:52,910 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-03-08 05:33:52,917 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 48 of 112 statements. [2025-03-08 05:33:52,918 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-08 05:33:52,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:33:53,030 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-03-08 05:33:53,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:33:53,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065120208] [2025-03-08 05:33:53,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065120208] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:33:53,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:33:53,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 05:33:53,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112151278] [2025-03-08 05:33:53,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:33:53,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 05:33:53,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:33:53,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 05:33:53,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:33:53,032 INFO L87 Difference]: Start difference. First operand 817 states and 1289 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 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) [2025-03-08 05:33:53,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:33:53,381 INFO L93 Difference]: Finished difference Result 1660 states and 2638 transitions. [2025-03-08 05:33:53,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-08 05:33:53,382 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 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 [2025-03-08 05:33:53,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:33:53,394 INFO L225 Difference]: With dead ends: 1660 [2025-03-08 05:33:53,394 INFO L226 Difference]: Without dead ends: 1654 [2025-03-08 05:33:53,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2025-03-08 05:33:53,397 INFO L435 NwaCegarLoop]: 546 mSDtfsCounter, 882 mSDsluCounter, 2578 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 3124 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 05:33:53,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [882 Valid, 3124 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 05:33:53,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states. [2025-03-08 05:33:53,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1631. [2025-03-08 05:33:53,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1631 states, 1278 states have (on average 1.5985915492957747) internal successors, (2043), 1292 states have internal predecessors, (2043), 248 states have call successors, (248), 92 states have call predecessors, (248), 104 states have return successors, (304), 246 states have call predecessors, (304), 244 states have call successors, (304) [2025-03-08 05:33:53,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1631 states and 2595 transitions. [2025-03-08 05:33:53,504 INFO L78 Accepts]: Start accepts. Automaton has 1631 states and 2595 transitions. Word has length 112 [2025-03-08 05:33:53,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:33:53,505 INFO L471 AbstractCegarLoop]: Abstraction has 1631 states and 2595 transitions. [2025-03-08 05:33:53,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 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) [2025-03-08 05:33:53,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 2595 transitions. [2025-03-08 05:33:53,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-08 05:33:53,512 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:33:53,513 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 05:33:53,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 05:33:53,513 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:33:53,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:33:53,513 INFO L85 PathProgramCache]: Analyzing trace with hash -2052738750, now seen corresponding path program 1 times [2025-03-08 05:33:53,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:33:53,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922311738] [2025-03-08 05:33:53,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:33:53,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:33:53,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-08 05:33:53,532 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-08 05:33:53,532 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:33:53,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:33:53,602 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-03-08 05:33:53,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:33:53,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922311738] [2025-03-08 05:33:53,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922311738] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:33:53,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074041773] [2025-03-08 05:33:53,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:33:53,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:33:53,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:33:53,605 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) [2025-03-08 05:33:53,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-08 05:33:53,725 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-08 05:33:53,807 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-08 05:33:53,807 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:33:53,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:33:53,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-08 05:33:53,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:33:53,846 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-03-08 05:33:53,847 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 05:33:53,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074041773] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:33:53,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 05:33:53,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-03-08 05:33:53,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242231067] [2025-03-08 05:33:53,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:33:53,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 05:33:53,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:33:53,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 05:33:53,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:33:53,848 INFO L87 Difference]: Start difference. First operand 1631 states and 2595 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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) [2025-03-08 05:33:53,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:33:53,956 INFO L93 Difference]: Finished difference Result 2459 states and 3904 transitions. [2025-03-08 05:33:53,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 05:33:53,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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 112 [2025-03-08 05:33:53,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:33:53,966 INFO L225 Difference]: With dead ends: 2459 [2025-03-08 05:33:53,966 INFO L226 Difference]: Without dead ends: 1635 [2025-03-08 05:33:53,969 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:33:53,970 INFO L435 NwaCegarLoop]: 519 mSDtfsCounter, 1 mSDsluCounter, 1539 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2058 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 [2025-03-08 05:33:53,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2058 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:33:53,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2025-03-08 05:33:54,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1627. [2025-03-08 05:33:54,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1627 states, 1276 states have (on average 1.598746081504702) internal successors, (2040), 1290 states have internal predecessors, (2040), 246 states have call successors, (246), 92 states have call predecessors, (246), 104 states have return successors, (302), 244 states have call predecessors, (302), 242 states have call successors, (302) [2025-03-08 05:33:54,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1627 states and 2588 transitions. [2025-03-08 05:33:54,037 INFO L78 Accepts]: Start accepts. Automaton has 1627 states and 2588 transitions. Word has length 112 [2025-03-08 05:33:54,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:33:54,037 INFO L471 AbstractCegarLoop]: Abstraction has 1627 states and 2588 transitions. [2025-03-08 05:33:54,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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) [2025-03-08 05:33:54,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 2588 transitions. [2025-03-08 05:33:54,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-03-08 05:33:54,043 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:33:54,043 INFO L218 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] [2025-03-08 05:33:54,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-08 05:33:54,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-08 05:33:54,244 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:33:54,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:33:54,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1226877747, now seen corresponding path program 1 times [2025-03-08 05:33:54,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:33:54,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112554040] [2025-03-08 05:33:54,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:33:54,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:33:54,258 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-03-08 05:33:54,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-03-08 05:33:54,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:33:54,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:33:54,360 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-03-08 05:33:54,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:33:54,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112554040] [2025-03-08 05:33:54,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112554040] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:33:54,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:33:54,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 05:33:54,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833414020] [2025-03-08 05:33:54,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:33:54,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 05:33:54,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:33:54,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 05:33:54,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:33:54,362 INFO L87 Difference]: Start difference. First operand 1627 states and 2588 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) [2025-03-08 05:33:54,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:33:54,520 INFO L93 Difference]: Finished difference Result 3195 states and 5092 transitions. [2025-03-08 05:33:54,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-08 05:33:54,520 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 113 [2025-03-08 05:33:54,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:33:54,529 INFO L225 Difference]: With dead ends: 3195 [2025-03-08 05:33:54,529 INFO L226 Difference]: Without dead ends: 1635 [2025-03-08 05:33:54,533 INFO L434 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 [2025-03-08 05:33:54,533 INFO L435 NwaCegarLoop]: 512 mSDtfsCounter, 5 mSDsluCounter, 3043 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3555 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 05:33:54,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 3555 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 05:33:54,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2025-03-08 05:33:54,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1631. [2025-03-08 05:33:54,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1631 states, 1280 states have (on average 1.596875) internal successors, (2044), 1293 states have internal predecessors, (2044), 246 states have call successors, (246), 93 states have call predecessors, (246), 104 states have return successors, (298), 244 states have call predecessors, (298), 242 states have call successors, (298) [2025-03-08 05:33:54,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1631 states and 2588 transitions. [2025-03-08 05:33:54,590 INFO L78 Accepts]: Start accepts. Automaton has 1631 states and 2588 transitions. Word has length 113 [2025-03-08 05:33:54,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:33:54,590 INFO L471 AbstractCegarLoop]: Abstraction has 1631 states and 2588 transitions. [2025-03-08 05:33:54,590 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) [2025-03-08 05:33:54,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 2588 transitions. [2025-03-08 05:33:54,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-03-08 05:33:54,596 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:33:54,596 INFO L218 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] [2025-03-08 05:33:54,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-08 05:33:54,596 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:33:54,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:33:54,597 INFO L85 PathProgramCache]: Analyzing trace with hash 552406134, now seen corresponding path program 1 times [2025-03-08 05:33:54,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:33:54,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002132595] [2025-03-08 05:33:54,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:33:54,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:33:54,610 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-08 05:33:54,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-08 05:33:54,616 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:33:54,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:33:54,679 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-08 05:33:54,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:33:54,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002132595] [2025-03-08 05:33:54,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002132595] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 05:33:54,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080574717] [2025-03-08 05:33:54,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:33:54,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:33:54,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 05:33:54,682 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) [2025-03-08 05:33:54,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-08 05:33:54,804 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-08 05:33:54,884 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-08 05:33:54,884 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:33:54,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:33:54,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-08 05:33:54,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 05:33:54,903 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-08 05:33:54,903 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 05:33:54,964 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-08 05:33:54,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080574717] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 05:33:54,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 05:33:54,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-03-08 05:33:54,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724384815] [2025-03-08 05:33:54,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 05:33:54,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 05:33:54,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:33:54,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 05:33:54,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-08 05:33:54,967 INFO L87 Difference]: Start difference. First operand 1631 states and 2588 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 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) [2025-03-08 05:33:55,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:33:55,174 INFO L93 Difference]: Finished difference Result 3893 states and 6428 transitions. [2025-03-08 05:33:55,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 05:33:55,175 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 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 114 [2025-03-08 05:33:55,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:33:55,196 INFO L225 Difference]: With dead ends: 3893 [2025-03-08 05:33:55,196 INFO L226 Difference]: Without dead ends: 3255 [2025-03-08 05:33:55,202 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-08 05:33:55,203 INFO L435 NwaCegarLoop]: 558 mSDtfsCounter, 457 mSDsluCounter, 1505 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 2063 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 05:33:55,203 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 2063 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 05:33:55,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3255 states. [2025-03-08 05:33:55,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3255 to 3159. [2025-03-08 05:33:55,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3159 states, 2492 states have (on average 1.6581059390048154) internal successors, (4132), 2505 states have internal predecessors, (4132), 562 states have call successors, (562), 93 states have call predecessors, (562), 104 states have return successors, (694), 560 states have call predecessors, (694), 558 states have call successors, (694) [2025-03-08 05:33:55,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3159 states to 3159 states and 5388 transitions. [2025-03-08 05:33:55,351 INFO L78 Accepts]: Start accepts. Automaton has 3159 states and 5388 transitions. Word has length 114 [2025-03-08 05:33:55,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:33:55,351 INFO L471 AbstractCegarLoop]: Abstraction has 3159 states and 5388 transitions. [2025-03-08 05:33:55,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 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) [2025-03-08 05:33:55,352 INFO L276 IsEmpty]: Start isEmpty. Operand 3159 states and 5388 transitions. [2025-03-08 05:33:55,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-03-08 05:33:55,366 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:33:55,366 INFO L218 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] [2025-03-08 05:33:55,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-08 05:33:55,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 05:33:55,567 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:33:55,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:33:55,568 INFO L85 PathProgramCache]: Analyzing trace with hash -39439244, now seen corresponding path program 1 times [2025-03-08 05:33:55,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:33:55,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280357687] [2025-03-08 05:33:55,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:33:55,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:33:55,584 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-08 05:33:55,590 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-08 05:33:55,590 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:33:55,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:33:55,626 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-08 05:33:55,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:33:55,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280357687] [2025-03-08 05:33:55,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280357687] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:33:55,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:33:55,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:33:55,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571888011] [2025-03-08 05:33:55,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:33:55,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:33:55,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:33:55,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:33:55,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:33:55,629 INFO L87 Difference]: Start difference. First operand 3159 states and 5388 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2025-03-08 05:33:55,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:33:55,755 INFO L93 Difference]: Finished difference Result 7645 states and 13236 transitions. [2025-03-08 05:33:55,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:33:55,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 121 [2025-03-08 05:33:55,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:33:55,779 INFO L225 Difference]: With dead ends: 7645 [2025-03-08 05:33:55,780 INFO L226 Difference]: Without dead ends: 4703 [2025-03-08 05:33:55,789 INFO L434 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 [2025-03-08 05:33:55,790 INFO L435 NwaCegarLoop]: 541 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, 1064 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 [2025-03-08 05:33:55,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 1064 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:33:55,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4703 states. [2025-03-08 05:33:55,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4703 to 4671. [2025-03-08 05:33:55,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4671 states, 3688 states have (on average 1.6713665943600868) internal successors, (6164), 3701 states have internal predecessors, (6164), 878 states have call successors, (878), 93 states have call predecessors, (878), 104 states have return successors, (1090), 876 states have call predecessors, (1090), 874 states have call successors, (1090) [2025-03-08 05:33:55,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4671 states to 4671 states and 8132 transitions. [2025-03-08 05:33:55,986 INFO L78 Accepts]: Start accepts. Automaton has 4671 states and 8132 transitions. Word has length 121 [2025-03-08 05:33:55,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:33:55,987 INFO L471 AbstractCegarLoop]: Abstraction has 4671 states and 8132 transitions. [2025-03-08 05:33:55,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2025-03-08 05:33:55,987 INFO L276 IsEmpty]: Start isEmpty. Operand 4671 states and 8132 transitions. [2025-03-08 05:33:56,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-03-08 05:33:56,035 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:33:56,035 INFO L218 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] [2025-03-08 05:33:56,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-08 05:33:56,035 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:33:56,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:33:56,036 INFO L85 PathProgramCache]: Analyzing trace with hash -628282046, now seen corresponding path program 1 times [2025-03-08 05:33:56,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:33:56,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612738778] [2025-03-08 05:33:56,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:33:56,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:33:56,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-08 05:33:56,056 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-08 05:33:56,056 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:33:56,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:33:56,090 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-08 05:33:56,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:33:56,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612738778] [2025-03-08 05:33:56,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612738778] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:33:56,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:33:56,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:33:56,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758782994] [2025-03-08 05:33:56,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:33:56,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:33:56,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:33:56,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:33:56,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:33:56,091 INFO L87 Difference]: Start difference. First operand 4671 states and 8132 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) [2025-03-08 05:33:56,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:33:56,256 INFO L93 Difference]: Finished difference Result 11329 states and 19860 transitions. [2025-03-08 05:33:56,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:33:56,256 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 [2025-03-08 05:33:56,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:33:56,305 INFO L225 Difference]: With dead ends: 11329 [2025-03-08 05:33:56,307 INFO L226 Difference]: Without dead ends: 7071 [2025-03-08 05:33:56,325 INFO L434 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 [2025-03-08 05:33:56,326 INFO L435 NwaCegarLoop]: 525 mSDtfsCounter, 122 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1044 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 [2025-03-08 05:33:56,326 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1044 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:33:56,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7071 states. [2025-03-08 05:33:56,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7071 to 7039. [2025-03-08 05:33:56,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7039 states, 5580 states have (on average 1.6802867383512545) internal successors, (9376), 5593 states have internal predecessors, (9376), 1354 states have call successors, (1354), 93 states have call predecessors, (1354), 104 states have return successors, (1630), 1352 states have call predecessors, (1630), 1350 states have call successors, (1630) [2025-03-08 05:33:56,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7039 states to 7039 states and 12360 transitions. [2025-03-08 05:33:56,688 INFO L78 Accepts]: Start accepts. Automaton has 7039 states and 12360 transitions. Word has length 122 [2025-03-08 05:33:56,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:33:56,688 INFO L471 AbstractCegarLoop]: Abstraction has 7039 states and 12360 transitions. [2025-03-08 05:33:56,689 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) [2025-03-08 05:33:56,689 INFO L276 IsEmpty]: Start isEmpty. Operand 7039 states and 12360 transitions. [2025-03-08 05:33:56,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-03-08 05:33:56,725 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:33:56,725 INFO L218 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] [2025-03-08 05:33:56,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-08 05:33:56,725 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:33:56,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:33:56,726 INFO L85 PathProgramCache]: Analyzing trace with hash -91460907, now seen corresponding path program 1 times [2025-03-08 05:33:56,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:33:56,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563630686] [2025-03-08 05:33:56,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:33:56,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:33:56,743 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-03-08 05:33:56,754 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-03-08 05:33:56,754 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:33:56,754 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:33:56,795 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-08 05:33:56,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:33:56,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563630686] [2025-03-08 05:33:56,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563630686] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:33:56,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:33:56,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:33:56,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098367851] [2025-03-08 05:33:56,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:33:56,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:33:56,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:33:56,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:33:56,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:33:56,796 INFO L87 Difference]: Start difference. First operand 7039 states and 12360 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), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-03-08 05:33:57,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:33:57,093 INFO L93 Difference]: Finished difference Result 16845 states and 29844 transitions. [2025-03-08 05:33:57,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:33:57,093 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), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 123 [2025-03-08 05:33:57,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:33:57,143 INFO L225 Difference]: With dead ends: 16845 [2025-03-08 05:33:57,143 INFO L226 Difference]: Without dead ends: 10691 [2025-03-08 05:33:57,172 INFO L434 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 [2025-03-08 05:33:57,173 INFO L435 NwaCegarLoop]: 525 mSDtfsCounter, 120 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1041 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 [2025-03-08 05:33:57,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1041 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:33:57,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10691 states. [2025-03-08 05:33:57,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10691 to 10659. [2025-03-08 05:33:57,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10659 states, 8552 states have (on average 1.6880261927034612) internal successors, (14436), 8565 states have internal predecessors, (14436), 2002 states have call successors, (2002), 93 states have call predecessors, (2002), 104 states have return successors, (2446), 2000 states have call predecessors, (2446), 1998 states have call successors, (2446) [2025-03-08 05:33:57,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10659 states to 10659 states and 18884 transitions. [2025-03-08 05:33:57,695 INFO L78 Accepts]: Start accepts. Automaton has 10659 states and 18884 transitions. Word has length 123 [2025-03-08 05:33:57,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:33:57,696 INFO L471 AbstractCegarLoop]: Abstraction has 10659 states and 18884 transitions. [2025-03-08 05:33:57,696 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), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-03-08 05:33:57,696 INFO L276 IsEmpty]: Start isEmpty. Operand 10659 states and 18884 transitions. [2025-03-08 05:33:57,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-03-08 05:33:57,743 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:33:57,743 INFO L218 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] [2025-03-08 05:33:57,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-08 05:33:57,744 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:33:57,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:33:57,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1053095233, now seen corresponding path program 1 times [2025-03-08 05:33:57,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:33:57,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463958572] [2025-03-08 05:33:57,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:33:57,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:33:57,758 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-08 05:33:57,766 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-08 05:33:57,766 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:33:57,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:33:57,794 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-08 05:33:57,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:33:57,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463958572] [2025-03-08 05:33:57,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463958572] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:33:57,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:33:57,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:33:57,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146866304] [2025-03-08 05:33:57,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:33:57,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:33:57,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:33:57,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:33:57,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:33:57,797 INFO L87 Difference]: Start difference. First operand 10659 states and 18884 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) [2025-03-08 05:33:58,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:33:58,160 INFO L93 Difference]: Finished difference Result 25533 states and 45624 transitions. [2025-03-08 05:33:58,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:33:58,161 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 [2025-03-08 05:33:58,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:33:58,235 INFO L225 Difference]: With dead ends: 25533 [2025-03-08 05:33:58,235 INFO L226 Difference]: Without dead ends: 16531 [2025-03-08 05:33:58,266 INFO L434 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 [2025-03-08 05:33:58,267 INFO L435 NwaCegarLoop]: 525 mSDtfsCounter, 118 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1041 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 [2025-03-08 05:33:58,267 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 1041 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:33:58,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16531 states. [2025-03-08 05:33:58,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16531 to 16499. [2025-03-08 05:33:58,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16499 states, 13412 states have (on average 1.6937071279451237) internal successors, (22716), 13425 states have internal predecessors, (22716), 2982 states have call successors, (2982), 93 states have call predecessors, (2982), 104 states have return successors, (3706), 2980 states have call predecessors, (3706), 2978 states have call successors, (3706) [2025-03-08 05:33:59,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16499 states to 16499 states and 29404 transitions. [2025-03-08 05:33:59,024 INFO L78 Accepts]: Start accepts. Automaton has 16499 states and 29404 transitions. Word has length 124 [2025-03-08 05:33:59,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:33:59,025 INFO L471 AbstractCegarLoop]: Abstraction has 16499 states and 29404 transitions. [2025-03-08 05:33:59,025 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) [2025-03-08 05:33:59,025 INFO L276 IsEmpty]: Start isEmpty. Operand 16499 states and 29404 transitions. [2025-03-08 05:33:59,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-03-08 05:33:59,072 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:33:59,073 INFO L218 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] [2025-03-08 05:33:59,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-08 05:33:59,073 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:33:59,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:33:59,074 INFO L85 PathProgramCache]: Analyzing trace with hash -947522538, now seen corresponding path program 1 times [2025-03-08 05:33:59,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:33:59,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927977162] [2025-03-08 05:33:59,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:33:59,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:33:59,090 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-08 05:33:59,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-08 05:33:59,098 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:33:59,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:33:59,129 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-08 05:33:59,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:33:59,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927977162] [2025-03-08 05:33:59,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927977162] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:33:59,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:33:59,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:33:59,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106423035] [2025-03-08 05:33:59,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:33:59,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:33:59,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:33:59,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:33:59,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:33:59,132 INFO L87 Difference]: Start difference. First operand 16499 states and 29404 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), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-03-08 05:33:59,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:33:59,656 INFO L93 Difference]: Finished difference Result 41065 states and 73628 transitions. [2025-03-08 05:33:59,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:33:59,657 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), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 125 [2025-03-08 05:33:59,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:33:59,779 INFO L225 Difference]: With dead ends: 41065 [2025-03-08 05:33:59,779 INFO L226 Difference]: Without dead ends: 27087 [2025-03-08 05:33:59,824 INFO L434 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 [2025-03-08 05:33:59,825 INFO L435 NwaCegarLoop]: 542 mSDtfsCounter, 116 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1065 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 [2025-03-08 05:33:59,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1065 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:33:59,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27087 states. [2025-03-08 05:34:00,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27087 to 27055. [2025-03-08 05:34:00,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27055 states, 21996 states have (on average 1.6893980723767958) internal successors, (37160), 22009 states have internal predecessors, (37160), 4954 states have call successors, (4954), 93 states have call predecessors, (4954), 104 states have return successors, (6166), 4952 states have call predecessors, (6166), 4950 states have call successors, (6166) [2025-03-08 05:34:00,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27055 states to 27055 states and 48280 transitions. [2025-03-08 05:34:00,862 INFO L78 Accepts]: Start accepts. Automaton has 27055 states and 48280 transitions. Word has length 125 [2025-03-08 05:34:00,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:34:00,862 INFO L471 AbstractCegarLoop]: Abstraction has 27055 states and 48280 transitions. [2025-03-08 05:34:00,862 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), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-03-08 05:34:00,862 INFO L276 IsEmpty]: Start isEmpty. Operand 27055 states and 48280 transitions. [2025-03-08 05:34:00,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-03-08 05:34:00,926 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:34:00,926 INFO L218 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] [2025-03-08 05:34:00,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-08 05:34:00,927 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:34:00,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:34:00,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1385861632, now seen corresponding path program 1 times [2025-03-08 05:34:00,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:34:00,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973402170] [2025-03-08 05:34:00,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:00,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:34:00,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-08 05:34:00,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-08 05:34:00,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:00,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:00,975 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-08 05:34:00,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:34:00,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973402170] [2025-03-08 05:34:00,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973402170] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:34:00,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:34:00,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:34:00,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518998921] [2025-03-08 05:34:00,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:34:00,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:34:00,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:34:00,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:34:00,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:34:00,978 INFO L87 Difference]: Start difference. First operand 27055 states and 48280 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), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-03-08 05:34:02,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:34:02,059 INFO L93 Difference]: Finished difference Result 68673 states and 123032 transitions. [2025-03-08 05:34:02,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:34:02,060 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), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 126 [2025-03-08 05:34:02,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:34:02,273 INFO L225 Difference]: With dead ends: 68673 [2025-03-08 05:34:02,274 INFO L226 Difference]: Without dead ends: 45559 [2025-03-08 05:34:02,356 INFO L434 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 [2025-03-08 05:34:02,358 INFO L435 NwaCegarLoop]: 527 mSDtfsCounter, 114 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 1046 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 [2025-03-08 05:34:02,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 1046 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:34:02,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45559 states. [2025-03-08 05:34:03,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45559 to 45527. [2025-03-08 05:34:03,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45527 states, 37180 states have (on average 1.6892953200645509) internal successors, (62808), 37193 states have internal predecessors, (62808), 8242 states have call successors, (8242), 93 states have call predecessors, (8242), 104 states have return successors, (10054), 8240 states have call predecessors, (10054), 8238 states have call successors, (10054) [2025-03-08 05:34:04,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45527 states to 45527 states and 81104 transitions. [2025-03-08 05:34:04,082 INFO L78 Accepts]: Start accepts. Automaton has 45527 states and 81104 transitions. Word has length 126 [2025-03-08 05:34:04,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:34:04,082 INFO L471 AbstractCegarLoop]: Abstraction has 45527 states and 81104 transitions. [2025-03-08 05:34:04,082 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), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-03-08 05:34:04,082 INFO L276 IsEmpty]: Start isEmpty. Operand 45527 states and 81104 transitions. [2025-03-08 05:34:04,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-03-08 05:34:04,168 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:34:04,168 INFO L218 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] [2025-03-08 05:34:04,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-08 05:34:04,168 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:34:04,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:34:04,169 INFO L85 PathProgramCache]: Analyzing trace with hash -188632649, now seen corresponding path program 1 times [2025-03-08 05:34:04,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:34:04,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460816657] [2025-03-08 05:34:04,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:04,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:34:04,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-08 05:34:04,192 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-08 05:34:04,193 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:04,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:04,222 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-08 05:34:04,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:34:04,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460816657] [2025-03-08 05:34:04,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460816657] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:34:04,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:34:04,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:34:04,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946986724] [2025-03-08 05:34:04,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:34:04,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:34:04,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:34:04,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:34:04,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:34:04,223 INFO L87 Difference]: Start difference. First operand 45527 states and 81104 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) [2025-03-08 05:34:05,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:34:05,930 INFO L93 Difference]: Finished difference Result 108645 states and 193772 transitions. [2025-03-08 05:34:05,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:34:05,931 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 [2025-03-08 05:34:05,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:34:06,279 INFO L225 Difference]: With dead ends: 108645 [2025-03-08 05:34:06,279 INFO L226 Difference]: Without dead ends: 70719 [2025-03-08 05:34:06,406 INFO L434 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 [2025-03-08 05:34:06,407 INFO L435 NwaCegarLoop]: 527 mSDtfsCounter, 112 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 1018 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 [2025-03-08 05:34:06,407 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 1018 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:34:06,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70719 states. [2025-03-08 05:34:09,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70719 to 70687. [2025-03-08 05:34:09,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70687 states, 57528 states have (on average 1.6663190098734528) internal successors, (95860), 57541 states have internal predecessors, (95860), 13054 states have call successors, (13054), 93 states have call predecessors, (13054), 104 states have return successors, (16278), 13052 states have call predecessors, (16278), 13050 states have call successors, (16278) [2025-03-08 05:34:09,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70687 states to 70687 states and 125192 transitions. [2025-03-08 05:34:09,798 INFO L78 Accepts]: Start accepts. Automaton has 70687 states and 125192 transitions. Word has length 127 [2025-03-08 05:34:09,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:34:09,798 INFO L471 AbstractCegarLoop]: Abstraction has 70687 states and 125192 transitions. [2025-03-08 05:34:09,799 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) [2025-03-08 05:34:09,799 INFO L276 IsEmpty]: Start isEmpty. Operand 70687 states and 125192 transitions. [2025-03-08 05:34:09,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-03-08 05:34:09,940 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:34:09,940 INFO L218 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] [2025-03-08 05:34:09,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-08 05:34:09,941 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:34:09,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:34:09,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1701895681, now seen corresponding path program 1 times [2025-03-08 05:34:09,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:34:09,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386953475] [2025-03-08 05:34:09,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 05:34:09,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:34:09,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-03-08 05:34:09,962 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-03-08 05:34:09,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 05:34:09,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:09,992 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-08 05:34:09,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:34:09,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386953475] [2025-03-08 05:34:09,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386953475] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:34:09,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:34:09,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 05:34:09,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521686989] [2025-03-08 05:34:09,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:34:09,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 05:34:09,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:34:09,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 05:34:09,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 05:34:09,994 INFO L87 Difference]: Start difference. First operand 70687 states and 125192 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), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-03-08 05:34:12,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 05:34:12,653 INFO L93 Difference]: Finished difference Result 186993 states and 332708 transitions. [2025-03-08 05:34:12,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 05:34:12,654 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), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 128 [2025-03-08 05:34:12,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 05:34:13,154 INFO L225 Difference]: With dead ends: 186993 [2025-03-08 05:34:13,154 INFO L226 Difference]: Without dead ends: 126187 [2025-03-08 05:34:13,286 INFO L434 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 [2025-03-08 05:34:13,287 INFO L435 NwaCegarLoop]: 525 mSDtfsCounter, 110 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 1044 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 [2025-03-08 05:34:13,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 1044 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 05:34:13,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126187 states. [2025-03-08 05:34:17,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126187 to 126155. [2025-03-08 05:34:17,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126155 states, 103196 states have (on average 1.662971433001279) internal successors, (171612), 103209 states have internal predecessors, (171612), 22854 states have call successors, (22854), 93 states have call predecessors, (22854), 104 states have return successors, (28786), 22852 states have call predecessors, (28786), 22850 states have call successors, (28786) [2025-03-08 05:34:18,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126155 states to 126155 states and 223252 transitions. [2025-03-08 05:34:18,241 INFO L78 Accepts]: Start accepts. Automaton has 126155 states and 223252 transitions. Word has length 128 [2025-03-08 05:34:18,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 05:34:18,242 INFO L471 AbstractCegarLoop]: Abstraction has 126155 states and 223252 transitions. [2025-03-08 05:34:18,242 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), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-03-08 05:34:18,242 INFO L276 IsEmpty]: Start isEmpty. Operand 126155 states and 223252 transitions. [2025-03-08 05:34:18,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-03-08 05:34:18,368 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 05:34:18,369 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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] [2025-03-08 05:34:18,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-08 05:34:18,369 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 05:34:18,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 05:34:18,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1131337457, now seen corresponding path program 2 times [2025-03-08 05:34:18,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 05:34:18,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802137729] [2025-03-08 05:34:18,370 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-08 05:34:18,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 05:34:18,385 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 129 statements into 2 equivalence classes. [2025-03-08 05:34:18,389 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 50 of 129 statements. [2025-03-08 05:34:18,389 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-08 05:34:18,389 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 05:34:18,764 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2025-03-08 05:34:18,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 05:34:18,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802137729] [2025-03-08 05:34:18,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802137729] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 05:34:18,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 05:34:18,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-08 05:34:18,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248790718] [2025-03-08 05:34:18,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 05:34:18,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-08 05:34:18,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 05:34:18,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-08 05:34:18,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-08 05:34:18,766 INFO L87 Difference]: Start difference. First operand 126155 states and 223252 transitions. Second operand has 8 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 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)