/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/email_spec4_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 05:47:56,345 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 05:47:56,436 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-25 05:47:56,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 05:47:56,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 05:47:56,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 05:47:56,470 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 05:47:56,470 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 05:47:56,471 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 05:47:56,475 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 05:47:56,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 05:47:56,476 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 05:47:56,477 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 05:47:56,478 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 05:47:56,478 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 05:47:56,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 05:47:56,479 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 05:47:56,480 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 05:47:56,480 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 05:47:56,481 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 05:47:56,481 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 05:47:56,482 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 05:47:56,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 05:47:56,482 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 05:47:56,483 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 05:47:56,483 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 05:47:56,483 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 05:47:56,483 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 05:47:56,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 05:47:56,484 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 05:47:56,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 05:47:56,485 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 05:47:56,485 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 05:47:56,485 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 05:47:56,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 05:47:56,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 05:47:56,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 05:47:56,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 05:47:56,486 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 05:47:56,486 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 05:47:56,487 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 05:47:56,487 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 05:47:56,487 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 05:47:56,487 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 05:47:56,488 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 05:47:56,488 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 05:47:56,488 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 05:47:56,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 05:47:56,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 05:47:56,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 05:47:56,759 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 05:47:56,759 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 05:47:56,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product17.cil.c [2023-12-25 05:47:57,997 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 05:47:58,353 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 05:47:58,354 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_product17.cil.c [2023-12-25 05:47:58,386 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/903cfc09d/09ade139e44646719884170355c7c712/FLAG22c6f55ac [2023-12-25 05:47:58,404 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/903cfc09d/09ade139e44646719884170355c7c712 [2023-12-25 05:47:58,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 05:47:58,408 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 05:47:58,412 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 05:47:58,412 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 05:47:58,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 05:47:58,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 05:47:58" (1/1) ... [2023-12-25 05:47:58,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a517a3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:47:58, skipping insertion in model container [2023-12-25 05:47:58,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 05:47:58" (1/1) ... [2023-12-25 05:47:58,494 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 05:47:59,035 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_product17.cil.c[45969,45982] [2023-12-25 05:47:59,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 05:47:59,158 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 05:47:59,176 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 05:47:59,253 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_product17.cil.c[45969,45982] [2023-12-25 05:47:59,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 05:47:59,328 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 05:47:59,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [48] [2023-12-25 05:47:59,339 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [90] [2023-12-25 05:47:59,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1169] [2023-12-25 05:47:59,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1467] [2023-12-25 05:47:59,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1774] [2023-12-25 05:47:59,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1809] [2023-12-25 05:47:59,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2212] [2023-12-25 05:47:59,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2229] [2023-12-25 05:47:59,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2238] [2023-12-25 05:47:59,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2335] [2023-12-25 05:47:59,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2551] [2023-12-25 05:47:59,404 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_product17.cil.c[45969,45982] [2023-12-25 05:47:59,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 05:47:59,460 INFO L206 MainTranslator]: Completed translation [2023-12-25 05:47:59,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:47:59 WrapperNode [2023-12-25 05:47:59,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 05:47:59,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 05:47:59,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 05:47:59,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 05:47:59,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:47:59" (1/1) ... [2023-12-25 05:47:59,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:47:59" (1/1) ... [2023-12-25 05:47:59,560 INFO L138 Inliner]: procedures = 129, calls = 192, calls flagged for inlining = 53, calls inlined = 46, statements flattened = 857 [2023-12-25 05:47:59,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 05:47:59,561 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 05:47:59,561 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 05:47:59,561 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 05:47:59,572 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:47:59" (1/1) ... [2023-12-25 05:47:59,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:47:59" (1/1) ... [2023-12-25 05:47:59,579 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:47:59" (1/1) ... [2023-12-25 05:47:59,614 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]. [2023-12-25 05:47:59,615 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:47:59" (1/1) ... [2023-12-25 05:47:59,615 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:47:59" (1/1) ... [2023-12-25 05:47:59,653 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:47:59" (1/1) ... [2023-12-25 05:47:59,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:47:59" (1/1) ... [2023-12-25 05:47:59,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:47:59" (1/1) ... [2023-12-25 05:47:59,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:47:59" (1/1) ... [2023-12-25 05:47:59,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 05:47:59,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 05:47:59,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 05:47:59,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 05:47:59,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:47:59" (1/1) ... [2023-12-25 05:47:59,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 05:47:59,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 05:47:59,731 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) [2023-12-25 05:47:59,756 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 [2023-12-25 05:47:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-12-25 05:47:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-12-25 05:47:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-25 05:47:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-25 05:47:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-25 05:47:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-25 05:47:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-12-25 05:47:59,765 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-12-25 05:47:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-25 05:47:59,766 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-25 05:47:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-25 05:47:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-25 05:47:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-25 05:47:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-25 05:47:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-25 05:47:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-25 05:47:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-12-25 05:47:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-12-25 05:47:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-25 05:47:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-25 05:47:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-25 05:47:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-25 05:47:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-25 05:47:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-25 05:47:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 05:47:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-12-25 05:47:59,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-12-25 05:47:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-25 05:47:59,770 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-25 05:47:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-25 05:47:59,770 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-25 05:47:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-25 05:47:59,770 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-25 05:47:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-25 05:47:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-25 05:47:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 05:47:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-25 05:47:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-12-25 05:47:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-12-25 05:47:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-25 05:47:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-25 05:47:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-25 05:47:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-25 05:47:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-25 05:47:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-25 05:47:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-25 05:47:59,772 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-25 05:47:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-25 05:47:59,772 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-25 05:47:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 05:47:59,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 05:47:59,968 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 05:47:59,970 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 05:48:00,805 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 05:48:00,893 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 05:48:00,893 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-25 05:48:00,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 05:48:00 BoogieIcfgContainer [2023-12-25 05:48:00,894 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 05:48:00,896 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 05:48:00,897 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 05:48:00,900 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 05:48:00,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 05:47:58" (1/3) ... [2023-12-25 05:48:00,901 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ce1a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 05:48:00, skipping insertion in model container [2023-12-25 05:48:00,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 05:47:59" (2/3) ... [2023-12-25 05:48:00,901 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ce1a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 05:48:00, skipping insertion in model container [2023-12-25 05:48:00,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 05:48:00" (3/3) ... [2023-12-25 05:48:00,903 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product17.cil.c [2023-12-25 05:48:00,921 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 05:48:00,922 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 05:48:00,981 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 05:48:00,987 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@a424687, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 05:48:00,987 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 05:48:00,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 329 states, 255 states have (on average 1.6352941176470588) internal successors, (417), 258 states have internal predecessors, (417), 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) [2023-12-25 05:48:01,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-25 05:48:01,013 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:48:01,014 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:48:01,015 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:48:01,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:48:01,020 INFO L85 PathProgramCache]: Analyzing trace with hash 265308267, now seen corresponding path program 1 times [2023-12-25 05:48:01,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:48:01,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [825719429] [2023-12-25 05:48:01,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:48:01,034 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:01,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:48:01,040 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:48:01,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-25 05:48:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:48:01,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 05:48:01,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:48:01,401 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-25 05:48:01,402 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:48:01,402 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:48:01,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [825719429] [2023-12-25 05:48:01,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [825719429] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:48:01,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:48:01,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 05:48:01,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799521209] [2023-12-25 05:48:01,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:48:01,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 05:48:01,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:48:01,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 05:48:01,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 05:48:01,441 INFO L87 Difference]: Start difference. First operand has 329 states, 255 states have (on average 1.6352941176470588) internal successors, (417), 258 states have internal predecessors, (417), 50 states have call successors, (50), 22 states have call predecessors, (50), 22 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 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) [2023-12-25 05:48:01,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:48:01,528 INFO L93 Difference]: Finished difference Result 478 states and 740 transitions. [2023-12-25 05:48:01,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 05:48:01,531 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 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 95 [2023-12-25 05:48:01,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:48:01,549 INFO L225 Difference]: With dead ends: 478 [2023-12-25 05:48:01,549 INFO L226 Difference]: Without dead ends: 326 [2023-12-25 05:48:01,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 05:48:01,566 INFO L413 NwaCegarLoop]: 501 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:48:01,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 501 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:48:01,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2023-12-25 05:48:01,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2023-12-25 05:48:01,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 253 states have (on average 1.6205533596837944) internal successors, (410), 255 states have internal predecessors, (410), 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) [2023-12-25 05:48:01,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 509 transitions. [2023-12-25 05:48:01,636 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 509 transitions. Word has length 95 [2023-12-25 05:48:01,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:48:01,638 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 509 transitions. [2023-12-25 05:48:01,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 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) [2023-12-25 05:48:01,638 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 509 transitions. [2023-12-25 05:48:01,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-25 05:48:01,643 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:48:01,644 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:48:01,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-25 05:48:01,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:01,852 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:48:01,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:48:01,853 INFO L85 PathProgramCache]: Analyzing trace with hash -183183737, now seen corresponding path program 1 times [2023-12-25 05:48:01,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:48:01,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [450394160] [2023-12-25 05:48:01,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:48:01,855 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:01,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:48:01,857 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:48:01,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-25 05:48:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:48:02,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 05:48:02,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:48:02,257 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-25 05:48:02,258 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:48:02,258 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:48:02,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [450394160] [2023-12-25 05:48:02,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [450394160] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:48:02,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:48:02,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:48:02,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136737005] [2023-12-25 05:48:02,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:48:02,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:48:02,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:48:02,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:48:02,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:48:02,262 INFO L87 Difference]: Start difference. First operand 326 states and 509 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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) [2023-12-25 05:48:02,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:48:02,418 INFO L93 Difference]: Finished difference Result 647 states and 1012 transitions. [2023-12-25 05:48:02,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:48:02,418 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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 96 [2023-12-25 05:48:02,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:48:02,422 INFO L225 Difference]: With dead ends: 647 [2023-12-25 05:48:02,422 INFO L226 Difference]: Without dead ends: 328 [2023-12-25 05:48:02,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-25 05:48:02,425 INFO L413 NwaCegarLoop]: 489 mSDtfsCounter, 8 mSDsluCounter, 1456 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1945 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:48:02,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1945 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:48:02,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2023-12-25 05:48:02,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2023-12-25 05:48:02,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 254 states have (on average 1.6181102362204725) internal successors, (411), 257 states have internal predecessors, (411), 50 states have call successors, (50), 22 states have call predecessors, (50), 23 states have return successors, (51), 48 states have call predecessors, (51), 49 states have call successors, (51) [2023-12-25 05:48:02,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 512 transitions. [2023-12-25 05:48:02,506 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 512 transitions. Word has length 96 [2023-12-25 05:48:02,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:48:02,507 INFO L495 AbstractCegarLoop]: Abstraction has 328 states and 512 transitions. [2023-12-25 05:48:02,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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) [2023-12-25 05:48:02,507 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 512 transitions. [2023-12-25 05:48:02,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-25 05:48:02,510 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:48:02,510 INFO L195 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] [2023-12-25 05:48:02,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-25 05:48:02,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:02,712 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:48:02,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:48:02,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1941650149, now seen corresponding path program 1 times [2023-12-25 05:48:02,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:48:02,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1800775657] [2023-12-25 05:48:02,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:48:02,714 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:02,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:48:02,716 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:48:02,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-25 05:48:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:48:02,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 05:48:02,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:48:03,008 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-25 05:48:03,009 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:48:03,009 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:48:03,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1800775657] [2023-12-25 05:48:03,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1800775657] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:48:03,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:48:03,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:48:03,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96828088] [2023-12-25 05:48:03,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:48:03,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:48:03,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:48:03,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:48:03,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:48:03,012 INFO L87 Difference]: Start difference. First operand 328 states and 512 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2023-12-25 05:48:03,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:48:03,159 INFO L93 Difference]: Finished difference Result 649 states and 1016 transitions. [2023-12-25 05:48:03,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:48:03,160 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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 97 [2023-12-25 05:48:03,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:48:03,168 INFO L225 Difference]: With dead ends: 649 [2023-12-25 05:48:03,168 INFO L226 Difference]: Without dead ends: 330 [2023-12-25 05:48:03,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-25 05:48:03,173 INFO L413 NwaCegarLoop]: 487 mSDtfsCounter, 8 mSDsluCounter, 1444 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1931 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:48:03,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1931 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:48:03,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2023-12-25 05:48:03,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2023-12-25 05:48:03,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 255 states have (on average 1.615686274509804) internal successors, (412), 259 states have internal predecessors, (412), 50 states have call successors, (50), 22 states have call predecessors, (50), 24 states have return successors, (55), 48 states have call predecessors, (55), 49 states have call successors, (55) [2023-12-25 05:48:03,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 517 transitions. [2023-12-25 05:48:03,203 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 517 transitions. Word has length 97 [2023-12-25 05:48:03,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:48:03,203 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 517 transitions. [2023-12-25 05:48:03,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2023-12-25 05:48:03,204 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 517 transitions. [2023-12-25 05:48:03,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-25 05:48:03,206 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:48:03,206 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:48:03,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-25 05:48:03,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:03,407 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:48:03,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:48:03,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1342344026, now seen corresponding path program 1 times [2023-12-25 05:48:03,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:48:03,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1674646999] [2023-12-25 05:48:03,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:48:03,409 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:03,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:48:03,411 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:48:03,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-25 05:48:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:48:03,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 05:48:03,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:48:03,696 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-25 05:48:03,696 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:48:03,696 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:48:03,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1674646999] [2023-12-25 05:48:03,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1674646999] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:48:03,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:48:03,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:48:03,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071988461] [2023-12-25 05:48:03,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:48:03,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:48:03,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:48:03,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:48:03,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:48:03,699 INFO L87 Difference]: Start difference. First operand 330 states and 517 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 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) [2023-12-25 05:48:03,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:48:03,807 INFO L93 Difference]: Finished difference Result 641 states and 1006 transitions. [2023-12-25 05:48:03,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:48:03,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 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 98 [2023-12-25 05:48:03,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:48:03,810 INFO L225 Difference]: With dead ends: 641 [2023-12-25 05:48:03,810 INFO L226 Difference]: Without dead ends: 330 [2023-12-25 05:48:03,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-25 05:48:03,812 INFO L413 NwaCegarLoop]: 489 mSDtfsCounter, 8 mSDsluCounter, 1456 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1945 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:48:03,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1945 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:48:03,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2023-12-25 05:48:03,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2023-12-25 05:48:03,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 255 states have (on average 1.615686274509804) internal successors, (412), 259 states have internal predecessors, (412), 50 states have call successors, (50), 22 states have call predecessors, (50), 24 states have return successors, (54), 48 states have call predecessors, (54), 49 states have call successors, (54) [2023-12-25 05:48:03,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 516 transitions. [2023-12-25 05:48:03,827 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 516 transitions. Word has length 98 [2023-12-25 05:48:03,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:48:03,828 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 516 transitions. [2023-12-25 05:48:03,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 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) [2023-12-25 05:48:03,828 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 516 transitions. [2023-12-25 05:48:03,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-25 05:48:03,830 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:48:03,830 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:48:03,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-25 05:48:04,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:04,038 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:48:04,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:48:04,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1843078876, now seen corresponding path program 2 times [2023-12-25 05:48:04,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:48:04,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2036327605] [2023-12-25 05:48:04,039 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-25 05:48:04,040 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:04,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:48:04,041 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:48:04,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-25 05:48:04,232 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-12-25 05:48:04,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-25 05:48:04,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 05:48:04,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:48:04,404 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-25 05:48:04,404 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:48:04,405 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:48:04,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2036327605] [2023-12-25 05:48:04,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2036327605] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:48:04,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:48:04,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 05:48:04,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605617684] [2023-12-25 05:48:04,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:48:04,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 05:48:04,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:48:04,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 05:48:04,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-25 05:48:04,411 INFO L87 Difference]: Start difference. First operand 330 states and 516 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 05:48:04,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:48:04,886 INFO L93 Difference]: Finished difference Result 644 states and 1010 transitions. [2023-12-25 05:48:04,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 05:48:04,887 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 99 [2023-12-25 05:48:04,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:48:04,891 INFO L225 Difference]: With dead ends: 644 [2023-12-25 05:48:04,891 INFO L226 Difference]: Without dead ends: 642 [2023-12-25 05:48:04,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-12-25 05:48:04,893 INFO L413 NwaCegarLoop]: 498 mSDtfsCounter, 441 mSDsluCounter, 2746 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 3244 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 05:48:04,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 3244 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 05:48:04,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2023-12-25 05:48:04,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 639. [2023-12-25 05:48:04,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 498 states have (on average 1.6244979919678715) internal successors, (809), 503 states have internal predecessors, (809), 94 states have call successors, (94), 43 states have call predecessors, (94), 46 states have return successors, (103), 92 states have call predecessors, (103), 92 states have call successors, (103) [2023-12-25 05:48:04,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 1006 transitions. [2023-12-25 05:48:04,926 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 1006 transitions. Word has length 99 [2023-12-25 05:48:04,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:48:04,926 INFO L495 AbstractCegarLoop]: Abstraction has 639 states and 1006 transitions. [2023-12-25 05:48:04,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 05:48:04,927 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1006 transitions. [2023-12-25 05:48:04,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-25 05:48:04,930 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:48:04,930 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:48:04,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-25 05:48:05,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:05,135 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:48:05,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:48:05,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1154295887, now seen corresponding path program 1 times [2023-12-25 05:48:05,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:48:05,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1590546377] [2023-12-25 05:48:05,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:48:05,137 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:05,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:48:05,138 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:48:05,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-25 05:48:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:48:05,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 05:48:05,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:48:05,449 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-25 05:48:05,450 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:48:05,450 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:48:05,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1590546377] [2023-12-25 05:48:05,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1590546377] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:48:05,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:48:05,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:48:05,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450207425] [2023-12-25 05:48:05,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:48:05,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:48:05,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:48:05,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:48:05,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:48:05,452 INFO L87 Difference]: Start difference. First operand 639 states and 1006 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 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) [2023-12-25 05:48:05,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:48:05,564 INFO L93 Difference]: Finished difference Result 1261 states and 1989 transitions. [2023-12-25 05:48:05,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:48:05,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 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 100 [2023-12-25 05:48:05,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:48:05,568 INFO L225 Difference]: With dead ends: 1261 [2023-12-25 05:48:05,569 INFO L226 Difference]: Without dead ends: 641 [2023-12-25 05:48:05,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-25 05:48:05,571 INFO L413 NwaCegarLoop]: 490 mSDtfsCounter, 6 mSDsluCounter, 1457 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1947 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:48:05,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1947 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:48:05,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2023-12-25 05:48:05,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 641. [2023-12-25 05:48:05,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 499 states have (on average 1.623246492985972) internal successors, (810), 505 states have internal predecessors, (810), 94 states have call successors, (94), 43 states have call predecessors, (94), 47 states have return successors, (105), 92 states have call predecessors, (105), 92 states have call successors, (105) [2023-12-25 05:48:05,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 1009 transitions. [2023-12-25 05:48:05,599 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 1009 transitions. Word has length 100 [2023-12-25 05:48:05,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:48:05,600 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 1009 transitions. [2023-12-25 05:48:05,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 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) [2023-12-25 05:48:05,600 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 1009 transitions. [2023-12-25 05:48:05,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-25 05:48:05,603 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:48:05,603 INFO L195 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] [2023-12-25 05:48:05,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-25 05:48:05,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:05,811 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:48:05,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:48:05,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1197542774, now seen corresponding path program 1 times [2023-12-25 05:48:05,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:48:05,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [926964014] [2023-12-25 05:48:05,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:48:05,812 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:05,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:48:05,814 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:48:05,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-25 05:48:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:48:06,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 05:48:06,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:48:06,078 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-12-25 05:48:06,079 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:48:06,079 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:48:06,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [926964014] [2023-12-25 05:48:06,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [926964014] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:48:06,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:48:06,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:48:06,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175952376] [2023-12-25 05:48:06,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:48:06,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:48:06,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:48:06,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:48:06,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:48:06,081 INFO L87 Difference]: Start difference. First operand 641 states and 1009 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2023-12-25 05:48:06,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:48:06,198 INFO L93 Difference]: Finished difference Result 949 states and 1493 transitions. [2023-12-25 05:48:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:48:06,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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 101 [2023-12-25 05:48:06,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:48:06,202 INFO L225 Difference]: With dead ends: 949 [2023-12-25 05:48:06,202 INFO L226 Difference]: Without dead ends: 332 [2023-12-25 05:48:06,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-25 05:48:06,205 INFO L413 NwaCegarLoop]: 487 mSDtfsCounter, 8 mSDsluCounter, 1445 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1932 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:48:06,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1932 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:48:06,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2023-12-25 05:48:06,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2023-12-25 05:48:06,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 256 states have (on average 1.61328125) internal successors, (413), 261 states have internal predecessors, (413), 50 states have call successors, (50), 22 states have call predecessors, (50), 25 states have return successors, (55), 48 states have call predecessors, (55), 49 states have call successors, (55) [2023-12-25 05:48:06,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 518 transitions. [2023-12-25 05:48:06,222 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 518 transitions. Word has length 101 [2023-12-25 05:48:06,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:48:06,223 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 518 transitions. [2023-12-25 05:48:06,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2023-12-25 05:48:06,223 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 518 transitions. [2023-12-25 05:48:06,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-25 05:48:06,227 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:48:06,227 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:48:06,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-12-25 05:48:06,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:06,435 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:48:06,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:48:06,436 INFO L85 PathProgramCache]: Analyzing trace with hash -85489788, now seen corresponding path program 1 times [2023-12-25 05:48:06,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:48:06,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [979543490] [2023-12-25 05:48:06,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:48:06,437 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:06,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:48:06,439 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:48:06,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-25 05:48:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:48:06,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 05:48:06,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:48:06,725 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-12-25 05:48:06,726 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:48:06,726 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:48:06,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [979543490] [2023-12-25 05:48:06,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [979543490] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:48:06,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:48:06,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:48:06,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088452272] [2023-12-25 05:48:06,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:48:06,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:48:06,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:48:06,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:48:06,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:48:06,728 INFO L87 Difference]: Start difference. First operand 332 states and 518 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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) [2023-12-25 05:48:06,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:48:06,849 INFO L93 Difference]: Finished difference Result 643 states and 1009 transitions. [2023-12-25 05:48:06,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:48:06,850 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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 101 [2023-12-25 05:48:06,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:48:06,852 INFO L225 Difference]: With dead ends: 643 [2023-12-25 05:48:06,852 INFO L226 Difference]: Without dead ends: 334 [2023-12-25 05:48:06,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-25 05:48:06,854 INFO L413 NwaCegarLoop]: 488 mSDtfsCounter, 6 mSDsluCounter, 1446 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1934 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:48:06,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1934 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:48:06,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2023-12-25 05:48:06,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 334. [2023-12-25 05:48:06,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 257 states have (on average 1.6108949416342413) internal successors, (414), 263 states have internal predecessors, (414), 50 states have call successors, (50), 22 states have call predecessors, (50), 26 states have return successors, (59), 48 states have call predecessors, (59), 49 states have call successors, (59) [2023-12-25 05:48:06,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 523 transitions. [2023-12-25 05:48:06,868 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 523 transitions. Word has length 101 [2023-12-25 05:48:06,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:48:06,868 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 523 transitions. [2023-12-25 05:48:06,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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) [2023-12-25 05:48:06,869 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 523 transitions. [2023-12-25 05:48:06,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-25 05:48:06,870 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:48:06,871 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:48:06,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-12-25 05:48:07,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:07,078 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:48:07,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:48:07,079 INFO L85 PathProgramCache]: Analyzing trace with hash -2134007876, now seen corresponding path program 1 times [2023-12-25 05:48:07,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:48:07,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [500419708] [2023-12-25 05:48:07,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:48:07,080 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:07,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:48:07,081 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:48:07,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-25 05:48:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:48:07,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:48:07,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:48:07,320 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-25 05:48:07,321 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:48:07,321 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:48:07,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [500419708] [2023-12-25 05:48:07,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [500419708] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:48:07,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:48:07,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:48:07,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089593488] [2023-12-25 05:48:07,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:48:07,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:48:07,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:48:07,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:48:07,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:48:07,323 INFO L87 Difference]: Start difference. First operand 334 states and 523 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2023-12-25 05:48:07,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:48:07,364 INFO L93 Difference]: Finished difference Result 482 states and 738 transitions. [2023-12-25 05:48:07,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:48:07,365 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 102 [2023-12-25 05:48:07,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:48:07,367 INFO L225 Difference]: With dead ends: 482 [2023-12-25 05:48:07,367 INFO L226 Difference]: Without dead ends: 336 [2023-12-25 05:48:07,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:48:07,369 INFO L413 NwaCegarLoop]: 498 mSDtfsCounter, 0 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:48:07,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 995 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:48:07,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2023-12-25 05:48:07,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 336. [2023-12-25 05:48:07,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 259 states have (on average 1.606177606177606) internal successors, (416), 265 states have internal predecessors, (416), 50 states have call successors, (50), 22 states have call predecessors, (50), 26 states have return successors, (59), 48 states have call predecessors, (59), 49 states have call successors, (59) [2023-12-25 05:48:07,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 525 transitions. [2023-12-25 05:48:07,381 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 525 transitions. Word has length 102 [2023-12-25 05:48:07,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:48:07,381 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 525 transitions. [2023-12-25 05:48:07,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2023-12-25 05:48:07,382 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 525 transitions. [2023-12-25 05:48:07,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-25 05:48:07,384 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:48:07,384 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:48:07,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-12-25 05:48:07,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:07,595 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:48:07,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:48:07,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1036264404, now seen corresponding path program 1 times [2023-12-25 05:48:07,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:48:07,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [340943401] [2023-12-25 05:48:07,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:48:07,597 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:07,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:48:07,598 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:48:07,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-25 05:48:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:48:07,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:48:07,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:48:07,836 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-25 05:48:07,836 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:48:07,836 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:48:07,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [340943401] [2023-12-25 05:48:07,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [340943401] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:48:07,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:48:07,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:48:07,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782829081] [2023-12-25 05:48:07,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:48:07,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:48:07,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:48:07,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:48:07,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:48:07,838 INFO L87 Difference]: Start difference. First operand 336 states and 525 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 05:48:07,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:48:07,885 INFO L93 Difference]: Finished difference Result 712 states and 1129 transitions. [2023-12-25 05:48:07,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:48:07,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 107 [2023-12-25 05:48:07,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:48:07,888 INFO L225 Difference]: With dead ends: 712 [2023-12-25 05:48:07,888 INFO L226 Difference]: Without dead ends: 402 [2023-12-25 05:48:07,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:48:07,890 INFO L413 NwaCegarLoop]: 508 mSDtfsCounter, 122 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:48:07,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 961 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:48:07,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2023-12-25 05:48:07,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 397. [2023-12-25 05:48:07,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 306 states have (on average 1.6209150326797386) internal successors, (496), 312 states have internal predecessors, (496), 64 states have call successors, (64), 22 states have call predecessors, (64), 26 states have return successors, (75), 62 states have call predecessors, (75), 63 states have call successors, (75) [2023-12-25 05:48:07,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 635 transitions. [2023-12-25 05:48:07,903 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 635 transitions. Word has length 107 [2023-12-25 05:48:07,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:48:07,904 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 635 transitions. [2023-12-25 05:48:07,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 05:48:07,904 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 635 transitions. [2023-12-25 05:48:07,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-25 05:48:07,906 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:48:07,906 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:48:07,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-12-25 05:48:08,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:08,114 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:48:08,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:48:08,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1841835200, now seen corresponding path program 1 times [2023-12-25 05:48:08,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:48:08,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [900374566] [2023-12-25 05:48:08,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:48:08,116 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:08,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:48:08,121 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:48:08,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-12-25 05:48:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:48:08,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 05:48:08,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:48:08,400 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-25 05:48:08,400 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 05:48:08,469 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-25 05:48:08,469 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:48:08,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [900374566] [2023-12-25 05:48:08,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [900374566] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 05:48:08,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 05:48:08,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-12-25 05:48:08,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925239973] [2023-12-25 05:48:08,470 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 05:48:08,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 05:48:08,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:48:08,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 05:48:08,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-25 05:48:08,472 INFO L87 Difference]: Start difference. First operand 397 states and 635 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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) [2023-12-25 05:48:08,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:48:08,740 INFO L93 Difference]: Finished difference Result 943 states and 1564 transitions. [2023-12-25 05:48:08,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 05:48:08,741 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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 108 [2023-12-25 05:48:08,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:48:08,746 INFO L225 Difference]: With dead ends: 943 [2023-12-25 05:48:08,746 INFO L226 Difference]: Without dead ends: 797 [2023-12-25 05:48:08,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2023-12-25 05:48:08,748 INFO L413 NwaCegarLoop]: 532 mSDtfsCounter, 556 mSDsluCounter, 1318 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 592 SdHoareTripleChecker+Valid, 1850 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 05:48:08,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [592 Valid, 1850 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 05:48:08,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2023-12-25 05:48:08,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 782. [2023-12-25 05:48:08,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 782 states, 612 states have (on average 1.6683006535947713) internal successors, (1021), 618 states have internal predecessors, (1021), 143 states have call successors, (143), 22 states have call predecessors, (143), 26 states have return successors, (164), 141 states have call predecessors, (164), 142 states have call successors, (164) [2023-12-25 05:48:08,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1328 transitions. [2023-12-25 05:48:08,782 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1328 transitions. Word has length 108 [2023-12-25 05:48:08,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:48:08,783 INFO L495 AbstractCegarLoop]: Abstraction has 782 states and 1328 transitions. [2023-12-25 05:48:08,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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) [2023-12-25 05:48:08,783 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1328 transitions. [2023-12-25 05:48:08,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-25 05:48:08,788 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:48:08,788 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:48:08,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-12-25 05:48:08,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:08,997 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:48:08,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:48:08,998 INFO L85 PathProgramCache]: Analyzing trace with hash -647573469, now seen corresponding path program 1 times [2023-12-25 05:48:08,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:48:08,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [180695623] [2023-12-25 05:48:08,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:48:08,998 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:08,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:48:09,000 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:48:09,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-12-25 05:48:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:48:09,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:48:09,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:48:09,227 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-25 05:48:09,227 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:48:09,227 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:48:09,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [180695623] [2023-12-25 05:48:09,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [180695623] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:48:09,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:48:09,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:48:09,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439863295] [2023-12-25 05:48:09,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:48:09,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:48:09,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:48:09,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:48:09,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:48:09,229 INFO L87 Difference]: Start difference. First operand 782 states and 1328 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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) [2023-12-25 05:48:09,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:48:09,307 INFO L93 Difference]: Finished difference Result 1891 states and 3250 transitions. [2023-12-25 05:48:09,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:48:09,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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 114 [2023-12-25 05:48:09,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:48:09,315 INFO L225 Difference]: With dead ends: 1891 [2023-12-25 05:48:09,315 INFO L226 Difference]: Without dead ends: 1169 [2023-12-25 05:48:09,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:48:09,319 INFO L413 NwaCegarLoop]: 504 mSDtfsCounter, 120 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:48:09,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 998 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:48:09,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2023-12-25 05:48:09,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1164. [2023-12-25 05:48:09,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1164 states, 915 states have (on average 1.6754098360655738) internal successors, (1533), 921 states have internal predecessors, (1533), 222 states have call successors, (222), 22 states have call predecessors, (222), 26 states have return successors, (253), 220 states have call predecessors, (253), 221 states have call successors, (253) [2023-12-25 05:48:09,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 2008 transitions. [2023-12-25 05:48:09,371 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 2008 transitions. Word has length 114 [2023-12-25 05:48:09,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:48:09,371 INFO L495 AbstractCegarLoop]: Abstraction has 1164 states and 2008 transitions. [2023-12-25 05:48:09,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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) [2023-12-25 05:48:09,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 2008 transitions. [2023-12-25 05:48:09,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-25 05:48:09,378 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:48:09,379 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:48:09,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-12-25 05:48:09,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:09,587 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:48:09,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:48:09,587 INFO L85 PathProgramCache]: Analyzing trace with hash 589213548, now seen corresponding path program 1 times [2023-12-25 05:48:09,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:48:09,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2102104757] [2023-12-25 05:48:09,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:48:09,588 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:09,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:48:09,589 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:48:09,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-12-25 05:48:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:48:09,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:48:09,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:48:09,829 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-25 05:48:09,829 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:48:09,830 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:48:09,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2102104757] [2023-12-25 05:48:09,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2102104757] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:48:09,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:48:09,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:48:09,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399099375] [2023-12-25 05:48:09,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:48:09,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:48:09,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:48:09,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:48:09,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:48:09,833 INFO L87 Difference]: Start difference. First operand 1164 states and 2008 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2023-12-25 05:48:09,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:48:09,940 INFO L93 Difference]: Finished difference Result 2822 states and 4890 transitions. [2023-12-25 05:48:09,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:48:09,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 115 [2023-12-25 05:48:09,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:48:09,985 INFO L225 Difference]: With dead ends: 2822 [2023-12-25 05:48:09,985 INFO L226 Difference]: Without dead ends: 1768 [2023-12-25 05:48:09,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:48:09,990 INFO L413 NwaCegarLoop]: 501 mSDtfsCounter, 118 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:48:09,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 994 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:48:09,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2023-12-25 05:48:10,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 1763. [2023-12-25 05:48:10,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1763 states, 1395 states have (on average 1.6795698924731184) internal successors, (2343), 1401 states have internal predecessors, (2343), 341 states have call successors, (341), 22 states have call predecessors, (341), 26 states have return successors, (372), 339 states have call predecessors, (372), 340 states have call successors, (372) [2023-12-25 05:48:10,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1763 states and 3056 transitions. [2023-12-25 05:48:10,093 INFO L78 Accepts]: Start accepts. Automaton has 1763 states and 3056 transitions. Word has length 115 [2023-12-25 05:48:10,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:48:10,094 INFO L495 AbstractCegarLoop]: Abstraction has 1763 states and 3056 transitions. [2023-12-25 05:48:10,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2023-12-25 05:48:10,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 3056 transitions. [2023-12-25 05:48:10,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-25 05:48:10,105 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:48:10,105 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:48:10,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2023-12-25 05:48:10,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:10,312 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:48:10,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:48:10,313 INFO L85 PathProgramCache]: Analyzing trace with hash -327358431, now seen corresponding path program 1 times [2023-12-25 05:48:10,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:48:10,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1282357727] [2023-12-25 05:48:10,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:48:10,314 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:10,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:48:10,316 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:48:10,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-12-25 05:48:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:48:10,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:48:10,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:48:10,562 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-25 05:48:10,562 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:48:10,562 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:48:10,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1282357727] [2023-12-25 05:48:10,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1282357727] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:48:10,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:48:10,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:48:10,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839921622] [2023-12-25 05:48:10,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:48:10,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:48:10,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:48:10,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:48:10,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:48:10,564 INFO L87 Difference]: Start difference. First operand 1763 states and 3056 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2023-12-25 05:48:10,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:48:10,720 INFO L93 Difference]: Finished difference Result 4218 states and 7361 transitions. [2023-12-25 05:48:10,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:48:10,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 116 [2023-12-25 05:48:10,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:48:10,737 INFO L225 Difference]: With dead ends: 4218 [2023-12-25 05:48:10,738 INFO L226 Difference]: Without dead ends: 2685 [2023-12-25 05:48:10,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:48:10,746 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 116 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:48:10,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 986 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:48:10,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2023-12-25 05:48:10,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 2680. [2023-12-25 05:48:10,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2680 states, 2150 states have (on average 1.6837209302325582) internal successors, (3620), 2156 states have internal predecessors, (3620), 503 states have call successors, (503), 22 states have call predecessors, (503), 26 states have return successors, (550), 501 states have call predecessors, (550), 502 states have call successors, (550) [2023-12-25 05:48:10,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2680 states to 2680 states and 4673 transitions. [2023-12-25 05:48:10,912 INFO L78 Accepts]: Start accepts. Automaton has 2680 states and 4673 transitions. Word has length 116 [2023-12-25 05:48:10,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:48:10,912 INFO L495 AbstractCegarLoop]: Abstraction has 2680 states and 4673 transitions. [2023-12-25 05:48:10,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2023-12-25 05:48:10,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2680 states and 4673 transitions. [2023-12-25 05:48:10,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-25 05:48:10,929 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:48:10,929 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:48:10,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2023-12-25 05:48:11,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:11,139 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:48:11,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:48:11,140 INFO L85 PathProgramCache]: Analyzing trace with hash -2079728693, now seen corresponding path program 1 times [2023-12-25 05:48:11,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:48:11,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1481669159] [2023-12-25 05:48:11,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:48:11,141 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:11,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:48:11,142 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:48:11,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-12-25 05:48:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:48:11,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:48:11,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:48:11,389 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-25 05:48:11,389 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:48:11,389 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:48:11,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1481669159] [2023-12-25 05:48:11,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1481669159] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:48:11,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:48:11,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:48:11,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406325973] [2023-12-25 05:48:11,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:48:11,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:48:11,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:48:11,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:48:11,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:48:11,392 INFO L87 Difference]: Start difference. First operand 2680 states and 4673 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2023-12-25 05:48:11,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:48:11,633 INFO L93 Difference]: Finished difference Result 6418 states and 11264 transitions. [2023-12-25 05:48:11,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:48:11,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 117 [2023-12-25 05:48:11,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:48:11,659 INFO L225 Difference]: With dead ends: 6418 [2023-12-25 05:48:11,660 INFO L226 Difference]: Without dead ends: 4165 [2023-12-25 05:48:11,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:48:11,674 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 114 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:48:11,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 986 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:48:11,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4165 states. [2023-12-25 05:48:11,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 4160. [2023-12-25 05:48:11,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4160 states, 3385 states have (on average 1.68685376661743) internal successors, (5710), 3391 states have internal predecessors, (5710), 748 states have call successors, (748), 22 states have call predecessors, (748), 26 states have return successors, (821), 746 states have call predecessors, (821), 747 states have call successors, (821) [2023-12-25 05:48:11,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4160 states to 4160 states and 7279 transitions. [2023-12-25 05:48:11,934 INFO L78 Accepts]: Start accepts. Automaton has 4160 states and 7279 transitions. Word has length 117 [2023-12-25 05:48:11,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:48:11,934 INFO L495 AbstractCegarLoop]: Abstraction has 4160 states and 7279 transitions. [2023-12-25 05:48:11,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2023-12-25 05:48:11,935 INFO L276 IsEmpty]: Start isEmpty. Operand 4160 states and 7279 transitions. [2023-12-25 05:48:11,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-25 05:48:11,953 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:48:11,953 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:48:11,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2023-12-25 05:48:12,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:12,163 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:48:12,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:48:12,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1198752827, now seen corresponding path program 1 times [2023-12-25 05:48:12,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:48:12,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1481950612] [2023-12-25 05:48:12,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:48:12,164 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:12,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:48:12,165 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:48:12,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2023-12-25 05:48:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:48:12,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:48:12,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:48:12,425 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-25 05:48:12,425 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:48:12,425 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:48:12,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1481950612] [2023-12-25 05:48:12,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1481950612] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:48:12,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:48:12,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:48:12,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529460222] [2023-12-25 05:48:12,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:48:12,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:48:12,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:48:12,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:48:12,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:48:12,427 INFO L87 Difference]: Start difference. First operand 4160 states and 7279 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2023-12-25 05:48:12,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:48:12,724 INFO L93 Difference]: Finished difference Result 10347 states and 18189 transitions. [2023-12-25 05:48:12,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:48:12,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 118 [2023-12-25 05:48:12,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:48:12,764 INFO L225 Difference]: With dead ends: 10347 [2023-12-25 05:48:12,765 INFO L226 Difference]: Without dead ends: 6837 [2023-12-25 05:48:12,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:48:12,783 INFO L413 NwaCegarLoop]: 509 mSDtfsCounter, 112 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:48:12,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 1004 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:48:12,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6837 states. [2023-12-25 05:48:13,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6837 to 6832. [2023-12-25 05:48:13,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6832 states, 5564 states have (on average 1.6811646297627607) internal successors, (9354), 5570 states have internal predecessors, (9354), 1241 states have call successors, (1241), 22 states have call predecessors, (1241), 26 states have return successors, (1358), 1239 states have call predecessors, (1358), 1240 states have call successors, (1358) [2023-12-25 05:48:13,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6832 states to 6832 states and 11953 transitions. [2023-12-25 05:48:13,184 INFO L78 Accepts]: Start accepts. Automaton has 6832 states and 11953 transitions. Word has length 118 [2023-12-25 05:48:13,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:48:13,185 INFO L495 AbstractCegarLoop]: Abstraction has 6832 states and 11953 transitions. [2023-12-25 05:48:13,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2023-12-25 05:48:13,186 INFO L276 IsEmpty]: Start isEmpty. Operand 6832 states and 11953 transitions. [2023-12-25 05:48:13,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-25 05:48:13,211 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:48:13,211 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:48:13,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2023-12-25 05:48:13,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:13,419 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:48:13,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:48:13,420 INFO L85 PathProgramCache]: Analyzing trace with hash -371367897, now seen corresponding path program 1 times [2023-12-25 05:48:13,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:48:13,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1879876070] [2023-12-25 05:48:13,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:48:13,420 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:13,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:48:13,422 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:48:13,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2023-12-25 05:48:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:48:13,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:48:13,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:48:13,682 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-25 05:48:13,682 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:48:13,682 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:48:13,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1879876070] [2023-12-25 05:48:13,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1879876070] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:48:13,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:48:13,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:48:13,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358267928] [2023-12-25 05:48:13,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:48:13,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:48:13,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:48:13,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:48:13,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:48:13,685 INFO L87 Difference]: Start difference. First operand 6832 states and 11953 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2023-12-25 05:48:14,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:48:14,159 INFO L93 Difference]: Finished difference Result 17326 states and 30489 transitions. [2023-12-25 05:48:14,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:48:14,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 119 [2023-12-25 05:48:14,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:48:14,231 INFO L225 Difference]: With dead ends: 17326 [2023-12-25 05:48:14,231 INFO L226 Difference]: Without dead ends: 11510 [2023-12-25 05:48:14,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:48:14,262 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 110 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:48:14,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 989 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:48:14,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11510 states. [2023-12-25 05:48:14,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11510 to 11505. [2023-12-25 05:48:14,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11505 states, 9415 states have (on average 1.6804036112586298) internal successors, (15821), 9421 states have internal predecessors, (15821), 2063 states have call successors, (2063), 22 states have call predecessors, (2063), 26 states have return successors, (2258), 2061 states have call predecessors, (2258), 2062 states have call successors, (2258) [2023-12-25 05:48:14,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11505 states to 11505 states and 20142 transitions. [2023-12-25 05:48:14,904 INFO L78 Accepts]: Start accepts. Automaton has 11505 states and 20142 transitions. Word has length 119 [2023-12-25 05:48:14,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:48:14,904 INFO L495 AbstractCegarLoop]: Abstraction has 11505 states and 20142 transitions. [2023-12-25 05:48:14,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2023-12-25 05:48:14,904 INFO L276 IsEmpty]: Start isEmpty. Operand 11505 states and 20142 transitions. [2023-12-25 05:48:14,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-25 05:48:14,937 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:48:14,937 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:48:14,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2023-12-25 05:48:15,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:15,146 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:48:15,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:48:15,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1568232931, now seen corresponding path program 1 times [2023-12-25 05:48:15,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:48:15,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [297086875] [2023-12-25 05:48:15,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:48:15,148 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:15,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:48:15,149 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:48:15,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2023-12-25 05:48:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:48:15,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:48:15,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:48:15,412 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-25 05:48:15,412 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:48:15,413 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:48:15,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [297086875] [2023-12-25 05:48:15,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [297086875] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:48:15,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:48:15,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:48:15,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823008486] [2023-12-25 05:48:15,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:48:15,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:48:15,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:48:15,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:48:15,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:48:15,417 INFO L87 Difference]: Start difference. First operand 11505 states and 20142 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2023-12-25 05:48:16,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:48:16,117 INFO L93 Difference]: Finished difference Result 27452 states and 48026 transitions. [2023-12-25 05:48:16,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:48:16,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 120 [2023-12-25 05:48:16,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:48:16,197 INFO L225 Difference]: With dead ends: 27452 [2023-12-25 05:48:16,197 INFO L226 Difference]: Without dead ends: 17894 [2023-12-25 05:48:16,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:48:16,235 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 108 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:48:16,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 961 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:48:16,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17894 states. [2023-12-25 05:48:17,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17894 to 17889. [2023-12-25 05:48:17,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17889 states, 14596 states have (on average 1.6564812277336256) internal successors, (24178), 14602 states have internal predecessors, (24178), 3266 states have call successors, (3266), 22 states have call predecessors, (3266), 26 states have return successors, (3605), 3264 states have call predecessors, (3605), 3265 states have call successors, (3605) [2023-12-25 05:48:17,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17889 states to 17889 states and 31049 transitions. [2023-12-25 05:48:17,249 INFO L78 Accepts]: Start accepts. Automaton has 17889 states and 31049 transitions. Word has length 120 [2023-12-25 05:48:17,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:48:17,249 INFO L495 AbstractCegarLoop]: Abstraction has 17889 states and 31049 transitions. [2023-12-25 05:48:17,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2023-12-25 05:48:17,250 INFO L276 IsEmpty]: Start isEmpty. Operand 17889 states and 31049 transitions. [2023-12-25 05:48:17,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-25 05:48:17,285 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:48:17,285 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:48:17,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2023-12-25 05:48:17,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:17,494 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:48:17,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:48:17,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1019812634, now seen corresponding path program 1 times [2023-12-25 05:48:17,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:48:17,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2122514796] [2023-12-25 05:48:17,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:48:17,495 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:17,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:48:17,497 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:48:17,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2023-12-25 05:48:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:48:17,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:48:17,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:48:17,755 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-25 05:48:17,755 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:48:17,756 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:48:17,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2122514796] [2023-12-25 05:48:17,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2122514796] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:48:17,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:48:17,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:48:17,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041810782] [2023-12-25 05:48:17,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:48:17,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:48:17,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:48:17,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:48:17,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:48:17,758 INFO L87 Difference]: Start difference. First operand 17889 states and 31049 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2023-12-25 05:48:19,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:48:19,293 INFO L93 Difference]: Finished difference Result 47277 states and 82393 transitions. [2023-12-25 05:48:19,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:48:19,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 121 [2023-12-25 05:48:19,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:48:19,449 INFO L225 Difference]: With dead ends: 47277 [2023-12-25 05:48:19,449 INFO L226 Difference]: Without dead ends: 31927 [2023-12-25 05:48:19,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:48:19,508 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 106 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:48:19,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 989 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:48:19,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31927 states. [2023-12-25 05:48:21,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31927 to 31922. [2023-12-25 05:48:21,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31922 states, 26179 states have (on average 1.6533099048855953) internal successors, (43282), 26185 states have internal predecessors, (43282), 5716 states have call successors, (5716), 22 states have call predecessors, (5716), 26 states have return successors, (6329), 5714 states have call predecessors, (6329), 5715 states have call successors, (6329) [2023-12-25 05:48:21,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31922 states to 31922 states and 55327 transitions. [2023-12-25 05:48:21,467 INFO L78 Accepts]: Start accepts. Automaton has 31922 states and 55327 transitions. Word has length 121 [2023-12-25 05:48:21,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:48:21,468 INFO L495 AbstractCegarLoop]: Abstraction has 31922 states and 55327 transitions. [2023-12-25 05:48:21,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2023-12-25 05:48:21,468 INFO L276 IsEmpty]: Start isEmpty. Operand 31922 states and 55327 transitions. [2023-12-25 05:48:21,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-25 05:48:21,500 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:48:21,500 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:48:21,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2023-12-25 05:48:21,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:21,708 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:48:21,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:48:21,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1374062569, now seen corresponding path program 1 times [2023-12-25 05:48:21,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:48:21,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [660042603] [2023-12-25 05:48:21,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:48:21,710 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:21,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:48:21,712 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:48:21,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2023-12-25 05:48:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:48:21,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:48:21,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:48:21,981 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-25 05:48:21,982 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:48:21,982 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:48:21,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [660042603] [2023-12-25 05:48:21,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [660042603] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:48:21,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:48:21,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:48:21,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473427696] [2023-12-25 05:48:21,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:48:21,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:48:21,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:48:21,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:48:21,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:48:21,984 INFO L87 Difference]: Start difference. First operand 31922 states and 55327 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), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 05:48:24,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:48:24,164 INFO L93 Difference]: Finished difference Result 86999 states and 151320 transitions. [2023-12-25 05:48:24,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:48:24,164 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), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 122 [2023-12-25 05:48:24,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:48:24,483 INFO L225 Difference]: With dead ends: 86999 [2023-12-25 05:48:24,483 INFO L226 Difference]: Without dead ends: 58475 [2023-12-25 05:48:24,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:48:24,587 INFO L413 NwaCegarLoop]: 500 mSDtfsCounter, 104 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 992 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:48:24,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 992 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:48:24,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58475 states. [2023-12-25 05:48:27,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58475 to 58470. [2023-12-25 05:48:27,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58470 states, 48214 states have (on average 1.6492305139586012) internal successors, (79516), 48220 states have internal predecessors, (79516), 10229 states have call successors, (10229), 22 states have call predecessors, (10229), 26 states have return successors, (11374), 10227 states have call predecessors, (11374), 10228 states have call successors, (11374) [2023-12-25 05:48:27,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58470 states to 58470 states and 101119 transitions. [2023-12-25 05:48:27,869 INFO L78 Accepts]: Start accepts. Automaton has 58470 states and 101119 transitions. Word has length 122 [2023-12-25 05:48:27,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:48:27,869 INFO L495 AbstractCegarLoop]: Abstraction has 58470 states and 101119 transitions. [2023-12-25 05:48:27,869 INFO L496 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), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 05:48:27,870 INFO L276 IsEmpty]: Start isEmpty. Operand 58470 states and 101119 transitions. [2023-12-25 05:48:27,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-25 05:48:27,909 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:48:27,909 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:48:27,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2023-12-25 05:48:28,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:28,116 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:48:28,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:48:28,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1551725850, now seen corresponding path program 1 times [2023-12-25 05:48:28,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:48:28,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1632285494] [2023-12-25 05:48:28,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:48:28,117 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:28,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:48:28,121 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:48:28,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2023-12-25 05:48:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:48:28,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 05:48:28,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:48:28,397 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-25 05:48:28,397 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:48:28,397 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:48:28,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1632285494] [2023-12-25 05:48:28,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1632285494] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:48:28,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:48:28,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 05:48:28,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277905700] [2023-12-25 05:48:28,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:48:28,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 05:48:28,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:48:28,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 05:48:28,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:48:28,400 INFO L87 Difference]: Start difference. First operand 58470 states and 101119 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), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 05:48:31,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:48:31,569 INFO L93 Difference]: Finished difference Result 109323 states and 189562 transitions. [2023-12-25 05:48:31,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 05:48:31,569 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), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 123 [2023-12-25 05:48:31,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:48:32,502 INFO L225 Difference]: With dead ends: 109323 [2023-12-25 05:48:32,502 INFO L226 Difference]: Without dead ends: 109177 [2023-12-25 05:48:32,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 05:48:32,574 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 102 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 05:48:32,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 989 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 05:48:32,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109177 states. [2023-12-25 05:48:36,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109177 to 109172. [2023-12-25 05:48:36,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109172 states, 90548 states have (on average 1.644067235057649) internal successors, (148867), 90554 states have internal predecessors, (148867), 18597 states have call successors, (18597), 22 states have call predecessors, (18597), 26 states have return successors, (20788), 18595 states have call predecessors, (20788), 18596 states have call successors, (20788) [2023-12-25 05:48:37,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109172 states to 109172 states and 188252 transitions. [2023-12-25 05:48:37,989 INFO L78 Accepts]: Start accepts. Automaton has 109172 states and 188252 transitions. Word has length 123 [2023-12-25 05:48:37,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:48:37,989 INFO L495 AbstractCegarLoop]: Abstraction has 109172 states and 188252 transitions. [2023-12-25 05:48:37,990 INFO L496 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), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-25 05:48:37,990 INFO L276 IsEmpty]: Start isEmpty. Operand 109172 states and 188252 transitions. [2023-12-25 05:48:38,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-25 05:48:38,379 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:48:38,379 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:48:38,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2023-12-25 05:48:38,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:38,586 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:48:38,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:48:38,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1493812566, now seen corresponding path program 1 times [2023-12-25 05:48:38,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:48:38,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [570994475] [2023-12-25 05:48:38,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:48:38,588 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:48:38,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:48:38,589 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:48:38,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2023-12-25 05:48:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:48:38,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-25 05:48:38,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:48:39,005 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-25 05:48:39,005 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 05:48:39,320 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-25 05:48:39,321 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:48:39,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [570994475] [2023-12-25 05:48:39,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [570994475] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 05:48:39,321 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 05:48:39,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2023-12-25 05:48:39,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485461689] [2023-12-25 05:48:39,322 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 05:48:39,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-25 05:48:39,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:48:39,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-25 05:48:39,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2023-12-25 05:48:39,324 INFO L87 Difference]: Start difference. First operand 109172 states and 188252 transitions. Second operand has 16 states, 16 states have (on average 9.625) internal successors, (154), 14 states have internal predecessors, (154), 4 states have call successors, (29), 6 states have call predecessors, (29), 9 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25) [2023-12-25 05:48:52,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:48:52,567 INFO L93 Difference]: Finished difference Result 321608 states and 561256 transitions. [2023-12-25 05:48:52,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-25 05:48:52,568 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 9.625) internal successors, (154), 14 states have internal predecessors, (154), 4 states have call successors, (29), 6 states have call predecessors, (29), 9 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25) Word has length 124 [2023-12-25 05:48:52,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:48:54,551 INFO L225 Difference]: With dead ends: 321608 [2023-12-25 05:48:54,551 INFO L226 Difference]: Without dead ends: 321467 [2023-12-25 05:48:54,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=657, Unknown=0, NotChecked=0, Total=812 [2023-12-25 05:48:54,712 INFO L413 NwaCegarLoop]: 322 mSDtfsCounter, 1517 mSDsluCounter, 2379 mSDsCounter, 0 mSdLazyCounter, 3975 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1576 SdHoareTripleChecker+Valid, 2701 SdHoareTripleChecker+Invalid, 4248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 3975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 05:48:54,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1576 Valid, 2701 Invalid, 4248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 3975 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 05:48:54,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321467 states. [2023-12-25 05:49:06,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321467 to 218345. [2023-12-25 05:49:07,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218345 states, 181099 states have (on average 1.6440676094290967) internal successors, (297739), 181108 states have internal predecessors, (297739), 37192 states have call successors, (37192), 45 states have call predecessors, (37192), 53 states have return successors, (45938), 37191 states have call predecessors, (45938), 37190 states have call successors, (45938) [2023-12-25 05:49:08,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218345 states to 218345 states and 380869 transitions. [2023-12-25 05:49:08,897 INFO L78 Accepts]: Start accepts. Automaton has 218345 states and 380869 transitions. Word has length 124 [2023-12-25 05:49:08,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:49:08,900 INFO L495 AbstractCegarLoop]: Abstraction has 218345 states and 380869 transitions. [2023-12-25 05:49:08,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 9.625) internal successors, (154), 14 states have internal predecessors, (154), 4 states have call successors, (29), 6 states have call predecessors, (29), 9 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25) [2023-12-25 05:49:08,901 INFO L276 IsEmpty]: Start isEmpty. Operand 218345 states and 380869 transitions. [2023-12-25 05:49:08,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-25 05:49:08,991 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:49:08,992 INFO L195 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] [2023-12-25 05:49:09,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2023-12-25 05:49:09,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:49:09,199 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:49:09,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:49:09,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1362329039, now seen corresponding path program 1 times [2023-12-25 05:49:09,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:49:09,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [702716965] [2023-12-25 05:49:09,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:49:09,201 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:49:09,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:49:09,203 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:49:09,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2023-12-25 05:49:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:49:09,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-25 05:49:09,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:49:09,529 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-25 05:49:09,529 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:49:09,529 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:49:09,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [702716965] [2023-12-25 05:49:09,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [702716965] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:49:09,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:49:09,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-25 05:49:09,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220011669] [2023-12-25 05:49:09,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:49:09,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 05:49:09,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:49:09,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 05:49:09,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-25 05:49:09,531 INFO L87 Difference]: Start difference. First operand 218345 states and 380869 transitions. Second operand has 9 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 4 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2023-12-25 05:49:18,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:49:18,181 INFO L93 Difference]: Finished difference Result 218681 states and 381367 transitions. [2023-12-25 05:49:18,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 05:49:18,182 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 4 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 125 [2023-12-25 05:49:18,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:49:19,435 INFO L225 Difference]: With dead ends: 218681 [2023-12-25 05:49:19,435 INFO L226 Difference]: Without dead ends: 218397 [2023-12-25 05:49:19,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2023-12-25 05:49:19,535 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 523 mSDsluCounter, 2743 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 3209 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 05:49:19,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 3209 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 05:49:19,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218397 states. [2023-12-25 05:49:30,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218397 to 218397. [2023-12-25 05:49:30,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218397 states, 181130 states have (on average 1.644018108540827) internal successors, (297781), 181142 states have internal predecessors, (297781), 37212 states have call successors, (37212), 47 states have call predecessors, (37212), 54 states have return successors, (45956), 37207 states have call predecessors, (45956), 37206 states have call successors, (45956) [2023-12-25 05:49:31,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218397 states to 218397 states and 380949 transitions. [2023-12-25 05:49:31,988 INFO L78 Accepts]: Start accepts. Automaton has 218397 states and 380949 transitions. Word has length 125 [2023-12-25 05:49:31,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:49:31,989 INFO L495 AbstractCegarLoop]: Abstraction has 218397 states and 380949 transitions. [2023-12-25 05:49:31,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 4 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2023-12-25 05:49:31,989 INFO L276 IsEmpty]: Start isEmpty. Operand 218397 states and 380949 transitions. [2023-12-25 05:49:32,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-25 05:49:32,512 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:49:32,512 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:49:32,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2023-12-25 05:49:32,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:49:32,713 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:49:32,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:49:32,713 INFO L85 PathProgramCache]: Analyzing trace with hash -561672031, now seen corresponding path program 1 times [2023-12-25 05:49:32,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:49:32,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [967959816] [2023-12-25 05:49:32,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:49:32,714 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:49:32,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:49:32,715 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:49:32,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2023-12-25 05:49:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:49:32,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 05:49:32,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:49:32,961 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-25 05:49:32,961 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 05:49:32,961 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:49:32,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [967959816] [2023-12-25 05:49:32,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [967959816] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 05:49:32,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 05:49:32,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 05:49:32,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908264350] [2023-12-25 05:49:32,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 05:49:32,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 05:49:32,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:49:32,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 05:49:32,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 05:49:32,964 INFO L87 Difference]: Start difference. First operand 218397 states and 380949 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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) [2023-12-25 05:49:42,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 05:49:42,199 INFO L93 Difference]: Finished difference Result 324718 states and 566471 transitions. [2023-12-25 05:49:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 05:49:42,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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 125 [2023-12-25 05:49:42,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 05:49:43,425 INFO L225 Difference]: With dead ends: 324718 [2023-12-25 05:49:43,425 INFO L226 Difference]: Without dead ends: 215516 [2023-12-25 05:49:43,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-25 05:49:43,754 INFO L413 NwaCegarLoop]: 488 mSDtfsCounter, 10 mSDsluCounter, 1445 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1933 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 05:49:43,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1933 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 05:49:43,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215516 states. [2023-12-25 05:49:54,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215516 to 215510. [2023-12-25 05:49:55,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215510 states, 178782 states have (on average 1.6447237417637122) internal successors, (294047), 178681 states have internal predecessors, (294047), 36676 states have call successors, (36676), 47 states have call predecessors, (36676), 51 states have return successors, (44212), 36781 states have call predecessors, (44212), 36670 states have call successors, (44212) [2023-12-25 05:49:57,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215510 states to 215510 states and 374935 transitions. [2023-12-25 05:49:57,460 INFO L78 Accepts]: Start accepts. Automaton has 215510 states and 374935 transitions. Word has length 125 [2023-12-25 05:49:57,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 05:49:57,460 INFO L495 AbstractCegarLoop]: Abstraction has 215510 states and 374935 transitions. [2023-12-25 05:49:57,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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) [2023-12-25 05:49:57,461 INFO L276 IsEmpty]: Start isEmpty. Operand 215510 states and 374935 transitions. [2023-12-25 05:49:57,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-25 05:49:57,571 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 05:49:57,571 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 05:49:57,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2023-12-25 05:49:57,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:49:57,781 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 05:49:57,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 05:49:57,781 INFO L85 PathProgramCache]: Analyzing trace with hash 2107497012, now seen corresponding path program 1 times [2023-12-25 05:49:57,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 05:49:57,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296860322] [2023-12-25 05:49:57,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 05:49:57,799 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 05:49:57,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 05:49:57,807 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 05:49:57,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2023-12-25 05:49:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 05:49:58,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-25 05:49:58,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 05:49:58,340 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-25 05:49:58,341 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 05:49:58,690 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-25 05:49:58,691 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 05:49:58,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296860322] [2023-12-25 05:49:58,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [296860322] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 05:49:58,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 05:49:58,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2023-12-25 05:49:58,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008237428] [2023-12-25 05:49:58,691 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 05:49:58,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-25 05:49:58,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 05:49:58,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-25 05:49:58,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2023-12-25 05:49:58,693 INFO L87 Difference]: Start difference. First operand 215510 states and 374935 transitions. Second operand has 16 states, 16 states have (on average 10.5625) internal successors, (169), 14 states have internal predecessors, (169), 3 states have call successors, (30), 5 states have call predecessors, (30), 8 states have return successors, (25), 5 states have call predecessors, (25), 3 states have call successors, (25)