/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_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/email_spec4_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 22:48:38,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 22:48:38,274 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 22:48:38,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 22:48:38,279 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 22:48:38,306 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 22:48:38,306 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 22:48:38,307 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 22:48:38,307 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 22:48:38,311 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 22:48:38,311 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 22:48:38,311 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 22:48:38,312 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 22:48:38,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 22:48:38,313 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 22:48:38,314 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 22:48:38,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 22:48:38,314 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 22:48:38,314 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 22:48:38,314 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 22:48:38,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 22:48:38,315 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 22:48:38,315 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 22:48:38,315 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 22:48:38,315 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 22:48:38,316 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 22:48:38,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 22:48:38,316 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 22:48:38,317 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 22:48:38,317 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 22:48:38,318 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 22:48:38,318 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 22:48:38,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:48:38,318 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 22:48:38,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 22:48:38,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 22:48:38,319 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 22:48:38,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 22:48:38,319 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 22:48:38,319 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 22:48:38,319 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 22:48:38,319 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 22:48:38,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 22:48:38,320 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 22:48:38,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 22:48:38,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 22:48:38,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 22:48:38,550 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 22:48:38,551 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 22:48:38,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product32.cil.c [2023-12-15 22:48:39,670 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 22:48:39,984 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 22:48:39,984 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_product32.cil.c [2023-12-15 22:48:40,004 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a2fa2061/aa4ee686e3554c709b8b20cd0b0f0927/FLAG41227ca00 [2023-12-15 22:48:40,014 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a2fa2061/aa4ee686e3554c709b8b20cd0b0f0927 [2023-12-15 22:48:40,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 22:48:40,017 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 22:48:40,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 22:48:40,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 22:48:40,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 22:48:40,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:48:40" (1/1) ... [2023-12-15 22:48:40,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f3acaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:40, skipping insertion in model container [2023-12-15 22:48:40,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:48:40" (1/1) ... [2023-12-15 22:48:40,108 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 22:48:40,530 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_product32.cil.c[32699,32712] [2023-12-15 22:48:40,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:48:40,724 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 22:48:40,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] [2023-12-15 22:48:40,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [97] [2023-12-15 22:48:40,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1177] [2023-12-15 22:48:40,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1484] [2023-12-15 22:48:40,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1493] [2023-12-15 22:48:40,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1641] [2023-12-15 22:48:40,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [2046] [2023-12-15 22:48:40,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2073] [2023-12-15 22:48:40,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2090] [2023-12-15 22:48:40,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2456] [2023-12-15 22:48:40,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2675] [2023-12-15 22:48:40,779 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_product32.cil.c[32699,32712] [2023-12-15 22:48:40,832 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:48:40,867 INFO L206 MainTranslator]: Completed translation [2023-12-15 22:48:40,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:40 WrapperNode [2023-12-15 22:48:40,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 22:48:40,870 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 22:48:40,870 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 22:48:40,870 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 22:48:40,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:40" (1/1) ... [2023-12-15 22:48:40,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:40" (1/1) ... [2023-12-15 22:48:40,976 INFO L138 Inliner]: procedures = 134, calls = 219, calls flagged for inlining = 61, calls inlined = 53, statements flattened = 972 [2023-12-15 22:48:40,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 22:48:40,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 22:48:40,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 22:48:40,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 22:48:40,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:40" (1/1) ... [2023-12-15 22:48:40,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:40" (1/1) ... [2023-12-15 22:48:40,997 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:40" (1/1) ... [2023-12-15 22:48:41,040 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]. [2023-12-15 22:48:41,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:40" (1/1) ... [2023-12-15 22:48:41,041 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:40" (1/1) ... [2023-12-15 22:48:41,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:40" (1/1) ... [2023-12-15 22:48:41,072 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:40" (1/1) ... [2023-12-15 22:48:41,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:40" (1/1) ... [2023-12-15 22:48:41,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:40" (1/1) ... [2023-12-15 22:48:41,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 22:48:41,090 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 22:48:41,090 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 22:48:41,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 22:48:41,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:40" (1/1) ... [2023-12-15 22:48:41,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:48:41,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:48:41,150 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) [2023-12-15 22:48:41,194 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 [2023-12-15 22:48:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-12-15 22:48:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-12-15 22:48:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-15 22:48:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-15 22:48:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-12-15 22:48:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-12-15 22:48:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-15 22:48:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-15 22:48:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-12-15 22:48:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-12-15 22:48:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-15 22:48:41,204 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-15 22:48:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-12-15 22:48:41,204 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-12-15 22:48:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-15 22:48:41,205 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-15 22:48:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-15 22:48:41,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-15 22:48:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-15 22:48:41,207 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-15 22:48:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-12-15 22:48:41,207 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-12-15 22:48:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-12-15 22:48:41,207 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-12-15 22:48:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-15 22:48:41,207 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-15 22:48:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-15 22:48:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-15 22:48:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-15 22:48:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-15 22:48:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 22:48:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-12-15 22:48:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-12-15 22:48:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-12-15 22:48:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-12-15 22:48:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-15 22:48:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-15 22:48:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-15 22:48:41,209 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-15 22:48:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-15 22:48:41,209 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-15 22:48:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-15 22:48:41,209 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-15 22:48:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-12-15 22:48:41,209 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-12-15 22:48:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-15 22:48:41,209 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-15 22:48:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-12-15 22:48:41,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-12-15 22:48:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-15 22:48:41,210 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-15 22:48:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-15 22:48:41,210 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-15 22:48:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 22:48:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-15 22:48:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-15 22:48:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-15 22:48:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-15 22:48:41,211 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-15 22:48:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-15 22:48:41,211 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-15 22:48:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 22:48:41,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 22:48:41,447 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 22:48:41,450 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 22:48:42,225 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 22:48:42,292 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 22:48:42,292 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 22:48:42,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:48:42 BoogieIcfgContainer [2023-12-15 22:48:42,292 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 22:48:42,295 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 22:48:42,295 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 22:48:42,297 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 22:48:42,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:48:40" (1/3) ... [2023-12-15 22:48:42,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b31ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:48:42, skipping insertion in model container [2023-12-15 22:48:42,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:48:40" (2/3) ... [2023-12-15 22:48:42,299 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b31ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:48:42, skipping insertion in model container [2023-12-15 22:48:42,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:48:42" (3/3) ... [2023-12-15 22:48:42,301 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product32.cil.c [2023-12-15 22:48:42,316 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 22:48:42,316 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 22:48:42,375 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 22:48:42,380 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;@2fa9fcdc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 22:48:42,380 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 22:48:42,386 INFO L276 IsEmpty]: Start isEmpty. Operand has 397 states, 302 states have (on average 1.6026490066225165) internal successors, (484), 307 states have internal predecessors, (484), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2023-12-15 22:48:42,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-15 22:48:42,403 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:42,403 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:48:42,404 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:42,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:42,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1455891148, now seen corresponding path program 1 times [2023-12-15 22:48:42,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:42,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577851156] [2023-12-15 22:48:42,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:42,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:42,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:42,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:42,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:42,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 22:48:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:42,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-15 22:48:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:42,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-15 22:48:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:43,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-15 22:48:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:43,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-15 22:48:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:43,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-15 22:48:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:43,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-15 22:48:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:43,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-15 22:48:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:43,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-15 22:48:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:43,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-15 22:48:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:43,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-15 22:48:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:43,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-15 22:48:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:43,067 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-15 22:48:43,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:43,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577851156] [2023-12-15 22:48:43,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577851156] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:48:43,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086662001] [2023-12-15 22:48:43,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:43,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:48:43,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:48:43,089 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 22:48:43,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 22:48:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:43,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 1099 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-15 22:48:43,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:48:43,508 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-15 22:48:43,509 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:48:43,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086662001] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:43,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:48:43,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2023-12-15 22:48:43,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920657945] [2023-12-15 22:48:43,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:43,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 22:48:43,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:43,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 22:48:43,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-15 22:48:43,544 INFO L87 Difference]: Start difference. First operand has 397 states, 302 states have (on average 1.6026490066225165) internal successors, (484), 307 states have internal predecessors, (484), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-15 22:48:43,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:43,647 INFO L93 Difference]: Finished difference Result 610 states and 927 transitions. [2023-12-15 22:48:43,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 22:48:43,652 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 110 [2023-12-15 22:48:43,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:43,674 INFO L225 Difference]: With dead ends: 610 [2023-12-15 22:48:43,674 INFO L226 Difference]: Without dead ends: 394 [2023-12-15 22:48:43,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-15 22:48:43,688 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:43,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 595 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:48:43,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2023-12-15 22:48:43,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2023-12-15 22:48:43,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 300 states have (on average 1.59) internal successors, (477), 304 states have internal predecessors, (477), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2023-12-15 22:48:43,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 606 transitions. [2023-12-15 22:48:43,763 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 606 transitions. Word has length 110 [2023-12-15 22:48:43,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:43,764 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 606 transitions. [2023-12-15 22:48:43,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-15 22:48:43,765 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 606 transitions. [2023-12-15 22:48:43,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-15 22:48:43,771 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:43,771 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:48:43,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-15 22:48:43,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-15 22:48:43,983 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:43,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:43,984 INFO L85 PathProgramCache]: Analyzing trace with hash 404477880, now seen corresponding path program 1 times [2023-12-15 22:48:43,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:43,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933712447] [2023-12-15 22:48:43,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:43,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 22:48:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-15 22:48:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-15 22:48:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-15 22:48:44,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-15 22:48:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-15 22:48:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-15 22:48:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-15 22:48:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-15 22:48:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-15 22:48:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-15 22:48:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-15 22:48:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,372 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-15 22:48:44,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:44,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933712447] [2023-12-15 22:48:44,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933712447] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:48:44,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357858205] [2023-12-15 22:48:44,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:44,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:48:44,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:48:44,382 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 22:48:44,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-15 22:48:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:44,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 1100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 22:48:44,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:48:44,710 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-15 22:48:44,710 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:48:44,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357858205] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:44,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:48:44,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-15 22:48:44,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000497815] [2023-12-15 22:48:44,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:44,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:48:44,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:44,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:48:44,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-15 22:48:44,714 INFO L87 Difference]: Start difference. First operand 394 states and 606 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-15 22:48:44,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:44,803 INFO L93 Difference]: Finished difference Result 606 states and 911 transitions. [2023-12-15 22:48:44,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:48:44,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 111 [2023-12-15 22:48:44,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:44,814 INFO L225 Difference]: With dead ends: 606 [2023-12-15 22:48:44,814 INFO L226 Difference]: Without dead ends: 396 [2023-12-15 22:48:44,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-15 22:48:44,820 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 0 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1183 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:44,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1183 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:48:44,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2023-12-15 22:48:44,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2023-12-15 22:48:44,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 302 states have (on average 1.586092715231788) internal successors, (479), 306 states have internal predecessors, (479), 65 states have call successors, (65), 28 states have call predecessors, (65), 28 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2023-12-15 22:48:44,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 608 transitions. [2023-12-15 22:48:44,846 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 608 transitions. Word has length 111 [2023-12-15 22:48:44,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:44,846 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 608 transitions. [2023-12-15 22:48:44,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-15 22:48:44,847 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 608 transitions. [2023-12-15 22:48:44,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-15 22:48:44,850 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:44,851 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:48:44,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-15 22:48:45,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-15 22:48:45,060 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:45,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:45,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1052312599, now seen corresponding path program 1 times [2023-12-15 22:48:45,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:45,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666726505] [2023-12-15 22:48:45,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:45,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:45,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:45,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:45,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:45,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 22:48:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:45,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-15 22:48:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:45,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-15 22:48:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:45,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-15 22:48:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:45,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-15 22:48:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:45,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-15 22:48:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:45,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-15 22:48:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:45,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-15 22:48:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:45,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-15 22:48:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:45,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-15 22:48:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:45,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-15 22:48:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:45,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-15 22:48:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:45,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-15 22:48:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:45,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-15 22:48:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:45,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-15 22:48:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:45,340 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-15 22:48:45,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:45,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666726505] [2023-12-15 22:48:45,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666726505] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:48:45,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560188751] [2023-12-15 22:48:45,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:45,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:48:45,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:48:45,342 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 22:48:45,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-15 22:48:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:45,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 1193 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 22:48:45,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:48:45,671 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-15 22:48:45,672 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:48:45,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560188751] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:45,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:48:45,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-15 22:48:45,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117935031] [2023-12-15 22:48:45,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:45,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:48:45,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:45,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:48:45,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-15 22:48:45,674 INFO L87 Difference]: Start difference. First operand 396 states and 608 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, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-15 22:48:45,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:45,728 INFO L93 Difference]: Finished difference Result 840 states and 1308 transitions. [2023-12-15 22:48:45,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:48:45,728 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, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 136 [2023-12-15 22:48:45,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:45,731 INFO L225 Difference]: With dead ends: 840 [2023-12-15 22:48:45,731 INFO L226 Difference]: Without dead ends: 466 [2023-12-15 22:48:45,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-15 22:48:45,734 INFO L413 NwaCegarLoop]: 604 mSDtfsCounter, 129 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1152 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:45,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1152 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:48:45,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2023-12-15 22:48:45,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 461. [2023-12-15 22:48:45,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 353 states have (on average 1.6033994334277621) internal successors, (566), 357 states have internal predecessors, (566), 79 states have call successors, (79), 28 states have call predecessors, (79), 28 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2023-12-15 22:48:45,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 723 transitions. [2023-12-15 22:48:45,779 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 723 transitions. Word has length 136 [2023-12-15 22:48:45,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:45,781 INFO L495 AbstractCegarLoop]: Abstraction has 461 states and 723 transitions. [2023-12-15 22:48:45,781 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, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-15 22:48:45,781 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 723 transitions. [2023-12-15 22:48:45,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-15 22:48:45,785 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:45,785 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:48:45,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-15 22:48:45,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:48:45,993 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:45,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:45,994 INFO L85 PathProgramCache]: Analyzing trace with hash -299658486, now seen corresponding path program 1 times [2023-12-15 22:48:45,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:45,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074557289] [2023-12-15 22:48:45,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:45,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:46,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:46,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:46,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:46,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-15 22:48:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:46,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-15 22:48:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:46,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-15 22:48:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:46,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-15 22:48:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:46,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-15 22:48:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:46,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-15 22:48:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:46,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-15 22:48:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:46,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-15 22:48:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:46,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-15 22:48:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:46,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-15 22:48:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:46,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-15 22:48:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:46,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-15 22:48:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:46,231 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-15 22:48:46,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:46,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074557289] [2023-12-15 22:48:46,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074557289] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:48:46,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298446419] [2023-12-15 22:48:46,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:46,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:48:46,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:48:46,238 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 22:48:46,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-15 22:48:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:46,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 1129 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-15 22:48:46,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:48:46,583 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-15 22:48:46,583 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:48:46,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298446419] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:46,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:48:46,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-12-15 22:48:46,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633468106] [2023-12-15 22:48:46,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:46,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 22:48:46,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:46,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 22:48:46,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-15 22:48:46,589 INFO L87 Difference]: Start difference. First operand 461 states and 723 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-15 22:48:46,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:46,686 INFO L93 Difference]: Finished difference Result 917 states and 1440 transitions. [2023-12-15 22:48:46,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 22:48:46,687 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 119 [2023-12-15 22:48:46,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:46,690 INFO L225 Difference]: With dead ends: 917 [2023-12-15 22:48:46,690 INFO L226 Difference]: Without dead ends: 463 [2023-12-15 22:48:46,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:48:46,692 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 8 mSDsluCounter, 1738 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2321 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 [2023-12-15 22:48:46,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2321 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:48:46,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2023-12-15 22:48:46,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 463. [2023-12-15 22:48:46,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 354 states have (on average 1.6016949152542372) internal successors, (567), 359 states have internal predecessors, (567), 79 states have call successors, (79), 28 states have call predecessors, (79), 29 states have return successors, (80), 77 states have call predecessors, (80), 78 states have call successors, (80) [2023-12-15 22:48:46,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 726 transitions. [2023-12-15 22:48:46,713 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 726 transitions. Word has length 119 [2023-12-15 22:48:46,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:46,713 INFO L495 AbstractCegarLoop]: Abstraction has 463 states and 726 transitions. [2023-12-15 22:48:46,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-15 22:48:46,713 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 726 transitions. [2023-12-15 22:48:46,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-15 22:48:46,716 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:46,716 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] [2023-12-15 22:48:46,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-15 22:48:46,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:48:46,924 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:46,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:46,925 INFO L85 PathProgramCache]: Analyzing trace with hash 287630294, now seen corresponding path program 1 times [2023-12-15 22:48:46,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:46,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666139303] [2023-12-15 22:48:46,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:46,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:48:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-12-15 22:48:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-12-15 22:48:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-15 22:48:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-15 22:48:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-15 22:48:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-15 22:48:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-15 22:48:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-15 22:48:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-15 22:48:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-15 22:48:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-15 22:48:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,141 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-15 22:48:47,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:47,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666139303] [2023-12-15 22:48:47,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666139303] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:48:47,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167786642] [2023-12-15 22:48:47,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:47,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:48:47,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:48:47,143 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 22:48:47,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-15 22:48:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 1130 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-15 22:48:47,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:48:47,476 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-15 22:48:47,476 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 22:48:47,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167786642] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:47,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 22:48:47,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-12-15 22:48:47,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877822127] [2023-12-15 22:48:47,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:47,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 22:48:47,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:47,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 22:48:47,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-12-15 22:48:47,478 INFO L87 Difference]: Start difference. First operand 463 states and 726 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-15 22:48:47,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:47,582 INFO L93 Difference]: Finished difference Result 919 states and 1445 transitions. [2023-12-15 22:48:47,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 22:48:47,582 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 120 [2023-12-15 22:48:47,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:47,586 INFO L225 Difference]: With dead ends: 919 [2023-12-15 22:48:47,586 INFO L226 Difference]: Without dead ends: 465 [2023-12-15 22:48:47,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-12-15 22:48:47,588 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 8 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2307 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:47,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2307 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:48:47,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2023-12-15 22:48:47,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2023-12-15 22:48:47,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 355 states have (on average 1.6) internal successors, (568), 361 states have internal predecessors, (568), 79 states have call successors, (79), 28 states have call predecessors, (79), 30 states have return successors, (85), 77 states have call predecessors, (85), 78 states have call successors, (85) [2023-12-15 22:48:47,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 732 transitions. [2023-12-15 22:48:47,610 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 732 transitions. Word has length 120 [2023-12-15 22:48:47,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:47,611 INFO L495 AbstractCegarLoop]: Abstraction has 465 states and 732 transitions. [2023-12-15 22:48:47,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-15 22:48:47,611 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 732 transitions. [2023-12-15 22:48:47,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-15 22:48:47,614 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:47,614 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:48:47,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-15 22:48:47,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:48:47,821 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:47,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:47,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1399819023, now seen corresponding path program 1 times [2023-12-15 22:48:47,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:47,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877021140] [2023-12-15 22:48:47,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:47,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:48:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:48:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-15 22:48:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-15 22:48:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-15 22:48:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-15 22:48:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:47,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-15 22:48:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:48,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-15 22:48:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:48,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-15 22:48:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:48,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-15 22:48:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:48,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-15 22:48:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:48,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-15 22:48:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:48,007 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-15 22:48:48,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:48,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877021140] [2023-12-15 22:48:48,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877021140] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:48,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:48:48,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-15 22:48:48,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265097560] [2023-12-15 22:48:48,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:48,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-15 22:48:48,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:48,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-15 22:48:48,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-15 22:48:48,010 INFO L87 Difference]: Start difference. First operand 465 states and 732 transitions. Second operand has 9 states, 8 states have (on average 9.25) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-15 22:48:50,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:50,119 INFO L93 Difference]: Finished difference Result 1016 states and 1632 transitions. [2023-12-15 22:48:50,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-15 22:48:50,120 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.25) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 121 [2023-12-15 22:48:50,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:50,125 INFO L225 Difference]: With dead ends: 1016 [2023-12-15 22:48:50,126 INFO L226 Difference]: Without dead ends: 570 [2023-12-15 22:48:50,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-15 22:48:50,129 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 1360 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2586 mSolverCounterSat, 483 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1361 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 3069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 483 IncrementalHoareTripleChecker+Valid, 2586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:50,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1361 Valid, 1192 Invalid, 3069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [483 Valid, 2586 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-15 22:48:50,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2023-12-15 22:48:50,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 465. [2023-12-15 22:48:50,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 355 states have (on average 1.6) internal successors, (568), 361 states have internal predecessors, (568), 79 states have call successors, (79), 28 states have call predecessors, (79), 30 states have return successors, (84), 77 states have call predecessors, (84), 78 states have call successors, (84) [2023-12-15 22:48:50,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 731 transitions. [2023-12-15 22:48:50,181 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 731 transitions. Word has length 121 [2023-12-15 22:48:50,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:50,182 INFO L495 AbstractCegarLoop]: Abstraction has 465 states and 731 transitions. [2023-12-15 22:48:50,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.25) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-15 22:48:50,182 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 731 transitions. [2023-12-15 22:48:50,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-15 22:48:50,184 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:50,184 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:48:50,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-15 22:48:50,185 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:50,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:50,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1219296505, now seen corresponding path program 2 times [2023-12-15 22:48:50,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:50,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499342936] [2023-12-15 22:48:50,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:50,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:48:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:48:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-15 22:48:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-15 22:48:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-15 22:48:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-15 22:48:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-15 22:48:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-15 22:48:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-15 22:48:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-15 22:48:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-15 22:48:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-15 22:48:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:50,425 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-15 22:48:50,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:50,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499342936] [2023-12-15 22:48:50,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499342936] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:50,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:48:50,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-15 22:48:50,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132814420] [2023-12-15 22:48:50,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:50,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-15 22:48:50,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:50,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-15 22:48:50,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-15 22:48:50,427 INFO L87 Difference]: Start difference. First operand 465 states and 731 transitions. Second operand has 9 states, 8 states have (on average 9.375) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-15 22:48:52,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:52,534 INFO L93 Difference]: Finished difference Result 1018 states and 1635 transitions. [2023-12-15 22:48:52,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-15 22:48:52,535 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.375) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 122 [2023-12-15 22:48:52,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:52,540 INFO L225 Difference]: With dead ends: 1018 [2023-12-15 22:48:52,540 INFO L226 Difference]: Without dead ends: 572 [2023-12-15 22:48:52,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-15 22:48:52,543 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 1352 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2641 mSolverCounterSat, 486 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1353 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 3127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 486 IncrementalHoareTripleChecker+Valid, 2641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:52,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1353 Valid, 1194 Invalid, 3127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [486 Valid, 2641 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-15 22:48:52,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2023-12-15 22:48:52,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 467. [2023-12-15 22:48:52,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 356 states have (on average 1.598314606741573) internal successors, (569), 363 states have internal predecessors, (569), 79 states have call successors, (79), 28 states have call predecessors, (79), 31 states have return successors, (86), 77 states have call predecessors, (86), 78 states have call successors, (86) [2023-12-15 22:48:52,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 734 transitions. [2023-12-15 22:48:52,574 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 734 transitions. Word has length 122 [2023-12-15 22:48:52,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:52,574 INFO L495 AbstractCegarLoop]: Abstraction has 467 states and 734 transitions. [2023-12-15 22:48:52,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.375) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-15 22:48:52,574 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 734 transitions. [2023-12-15 22:48:52,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-15 22:48:52,577 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:52,577 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:48:52,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-15 22:48:52,578 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:52,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:52,578 INFO L85 PathProgramCache]: Analyzing trace with hash -638421996, now seen corresponding path program 1 times [2023-12-15 22:48:52,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:52,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748877933] [2023-12-15 22:48:52,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:52,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:52,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:52,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:52,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:52,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:52,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:48:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:52,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:48:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:52,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:48:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:52,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-15 22:48:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:52,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-15 22:48:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:52,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-15 22:48:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:52,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-15 22:48:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:52,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-15 22:48:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:52,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-15 22:48:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:52,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-15 22:48:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:52,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-15 22:48:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:52,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-15 22:48:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:52,828 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-15 22:48:52,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:52,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748877933] [2023-12-15 22:48:52,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748877933] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:52,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:48:52,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-15 22:48:52,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095455361] [2023-12-15 22:48:52,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:52,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-15 22:48:52,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:52,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-15 22:48:52,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-15 22:48:52,830 INFO L87 Difference]: Start difference. First operand 467 states and 734 transitions. Second operand has 12 states, 11 states have (on average 7.181818181818182) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2023-12-15 22:48:55,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:55,790 INFO L93 Difference]: Finished difference Result 1016 states and 1630 transitions. [2023-12-15 22:48:55,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 22:48:55,792 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.181818181818182) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 123 [2023-12-15 22:48:55,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:55,797 INFO L225 Difference]: With dead ends: 1016 [2023-12-15 22:48:55,798 INFO L226 Difference]: Without dead ends: 572 [2023-12-15 22:48:55,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-15 22:48:55,801 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 1362 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 4427 mSolverCounterSat, 480 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1363 SdHoareTripleChecker+Valid, 1653 SdHoareTripleChecker+Invalid, 4907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 480 IncrementalHoareTripleChecker+Valid, 4427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:55,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1363 Valid, 1653 Invalid, 4907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [480 Valid, 4427 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-15 22:48:55,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2023-12-15 22:48:55,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 467. [2023-12-15 22:48:55,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 356 states have (on average 1.598314606741573) internal successors, (569), 363 states have internal predecessors, (569), 79 states have call successors, (79), 28 states have call predecessors, (79), 31 states have return successors, (85), 77 states have call predecessors, (85), 78 states have call successors, (85) [2023-12-15 22:48:55,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 733 transitions. [2023-12-15 22:48:55,830 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 733 transitions. Word has length 123 [2023-12-15 22:48:55,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:55,830 INFO L495 AbstractCegarLoop]: Abstraction has 467 states and 733 transitions. [2023-12-15 22:48:55,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.181818181818182) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2023-12-15 22:48:55,831 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 733 transitions. [2023-12-15 22:48:55,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-15 22:48:55,833 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:55,833 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:48:55,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-15 22:48:55,833 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:55,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:55,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1237808725, now seen corresponding path program 2 times [2023-12-15 22:48:55,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:55,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127615739] [2023-12-15 22:48:55,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:55,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:55,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:55,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:55,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:55,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:48:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:55,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:48:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:56,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:48:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:56,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-15 22:48:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:56,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-15 22:48:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:56,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-15 22:48:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:56,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-15 22:48:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:56,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-15 22:48:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:56,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-15 22:48:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:56,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-15 22:48:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:56,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-15 22:48:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:56,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-15 22:48:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:56,101 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-15 22:48:56,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:56,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127615739] [2023-12-15 22:48:56,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127615739] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:48:56,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:48:56,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-15 22:48:56,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024794797] [2023-12-15 22:48:56,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:48:56,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-15 22:48:56,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:56,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-15 22:48:56,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-15 22:48:56,103 INFO L87 Difference]: Start difference. First operand 467 states and 733 transitions. Second operand has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 8 states have internal predecessors, (80), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2023-12-15 22:48:58,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:48:58,867 INFO L93 Difference]: Finished difference Result 1018 states and 1636 transitions. [2023-12-15 22:48:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 22:48:58,868 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 8 states have internal predecessors, (80), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 124 [2023-12-15 22:48:58,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:48:58,871 INFO L225 Difference]: With dead ends: 1018 [2023-12-15 22:48:58,871 INFO L226 Difference]: Without dead ends: 574 [2023-12-15 22:48:58,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-15 22:48:58,874 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 1357 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 4461 mSolverCounterSat, 475 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1358 SdHoareTripleChecker+Valid, 1653 SdHoareTripleChecker+Invalid, 4936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 475 IncrementalHoareTripleChecker+Valid, 4461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-15 22:48:58,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1358 Valid, 1653 Invalid, 4936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [475 Valid, 4461 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-15 22:48:58,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2023-12-15 22:48:58,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 469. [2023-12-15 22:48:58,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 357 states have (on average 1.596638655462185) internal successors, (570), 365 states have internal predecessors, (570), 79 states have call successors, (79), 28 states have call predecessors, (79), 32 states have return successors, (90), 77 states have call predecessors, (90), 78 states have call successors, (90) [2023-12-15 22:48:58,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 739 transitions. [2023-12-15 22:48:58,907 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 739 transitions. Word has length 124 [2023-12-15 22:48:58,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:48:58,909 INFO L495 AbstractCegarLoop]: Abstraction has 469 states and 739 transitions. [2023-12-15 22:48:58,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 8 states have internal predecessors, (80), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2023-12-15 22:48:58,909 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 739 transitions. [2023-12-15 22:48:58,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-15 22:48:58,912 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:48:58,912 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:48:58,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-15 22:48:58,912 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:48:58,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:48:58,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1503347968, now seen corresponding path program 1 times [2023-12-15 22:48:58,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:48:58,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104040439] [2023-12-15 22:48:58,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:58,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:48:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:59,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:48:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:59,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:48:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:59,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:48:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:59,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:48:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:59,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:48:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:59,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:48:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:59,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-15 22:48:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:59,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-15 22:48:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:59,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-15 22:48:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:59,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-15 22:48:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:59,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-15 22:48:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:59,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-15 22:48:59,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:59,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-15 22:48:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:59,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-15 22:48:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:59,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-15 22:48:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:59,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-15 22:48:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:59,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-15 22:48:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:59,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-15 22:48:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:59,154 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-15 22:48:59,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:48:59,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104040439] [2023-12-15 22:48:59,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104040439] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:48:59,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108944190] [2023-12-15 22:48:59,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:48:59,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:48:59,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:48:59,156 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 22:48:59,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-15 22:48:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:48:59,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 1204 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 22:48:59,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:48:59,474 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-15 22:48:59,474 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 22:48:59,554 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-15 22:48:59,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108944190] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 22:48:59,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-15 22:48:59,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2023-12-15 22:48:59,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186041301] [2023-12-15 22:48:59,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-15 22:48:59,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-15 22:48:59,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:48:59,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-15 22:48:59,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-12-15 22:48:59,558 INFO L87 Difference]: Start difference. First operand 469 states and 739 transitions. Second operand has 15 states, 14 states have (on average 10.142857142857142) internal successors, (142), 11 states have internal predecessors, (142), 4 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2023-12-15 22:49:02,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:02,471 INFO L93 Difference]: Finished difference Result 1437 states and 2412 transitions. [2023-12-15 22:49:02,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-15 22:49:02,472 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 10.142857142857142) internal successors, (142), 11 states have internal predecessors, (142), 4 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) Word has length 143 [2023-12-15 22:49:02,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:02,477 INFO L225 Difference]: With dead ends: 1437 [2023-12-15 22:49:02,478 INFO L226 Difference]: Without dead ends: 994 [2023-12-15 22:49:02,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2023-12-15 22:49:02,480 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 2858 mSDsluCounter, 1683 mSDsCounter, 0 mSdLazyCounter, 4841 mSolverCounterSat, 916 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2879 SdHoareTripleChecker+Valid, 1857 SdHoareTripleChecker+Invalid, 5757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 916 IncrementalHoareTripleChecker+Valid, 4841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:02,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2879 Valid, 1857 Invalid, 5757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [916 Valid, 4841 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-15 22:49:02,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2023-12-15 22:49:02,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 874. [2023-12-15 22:49:02,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 683 states have (on average 1.644216691068814) internal successors, (1123), 691 states have internal predecessors, (1123), 158 states have call successors, (158), 28 states have call predecessors, (158), 32 states have return successors, (179), 156 states have call predecessors, (179), 157 states have call successors, (179) [2023-12-15 22:49:02,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1460 transitions. [2023-12-15 22:49:02,523 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1460 transitions. Word has length 143 [2023-12-15 22:49:02,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:02,524 INFO L495 AbstractCegarLoop]: Abstraction has 874 states and 1460 transitions. [2023-12-15 22:49:02,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 10.142857142857142) internal successors, (142), 11 states have internal predecessors, (142), 4 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2023-12-15 22:49:02,525 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1460 transitions. [2023-12-15 22:49:02,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-15 22:49:02,529 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:02,529 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:02,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-15 22:49:02,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:49:02,739 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:02,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:02,740 INFO L85 PathProgramCache]: Analyzing trace with hash -37050582, now seen corresponding path program 1 times [2023-12-15 22:49:02,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:02,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593442941] [2023-12-15 22:49:02,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:02,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:02,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:02,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:02,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:02,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:02,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:02,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:02,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-15 22:49:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:02,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-15 22:49:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:02,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-15 22:49:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:02,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-15 22:49:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:02,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-15 22:49:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:02,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-15 22:49:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:02,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-15 22:49:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:02,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-15 22:49:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:02,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-15 22:49:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:02,841 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:49:02,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:02,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593442941] [2023-12-15 22:49:02,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593442941] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:02,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:02,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:49:02,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502504984] [2023-12-15 22:49:02,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:02,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:49:02,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:02,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:49:02,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:49:02,843 INFO L87 Difference]: Start difference. First operand 874 states and 1460 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-15 22:49:04,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:04,444 INFO L93 Difference]: Finished difference Result 2172 states and 3731 transitions. [2023-12-15 22:49:04,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:49:04,445 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 129 [2023-12-15 22:49:04,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:04,452 INFO L225 Difference]: With dead ends: 2172 [2023-12-15 22:49:04,452 INFO L226 Difference]: Without dead ends: 1366 [2023-12-15 22:49:04,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:49:04,456 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1469 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 1484 mSolverCounterSat, 539 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1487 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 2023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 539 IncrementalHoareTripleChecker+Valid, 1484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:04,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1487 Valid, 889 Invalid, 2023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [539 Valid, 1484 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-15 22:49:04,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1366 states. [2023-12-15 22:49:04,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1366 to 1256. [2023-12-15 22:49:04,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 986 states have (on average 1.658215010141988) internal successors, (1635), 994 states have internal predecessors, (1635), 237 states have call successors, (237), 28 states have call predecessors, (237), 32 states have return successors, (268), 235 states have call predecessors, (268), 236 states have call successors, (268) [2023-12-15 22:49:04,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 2140 transitions. [2023-12-15 22:49:04,515 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 2140 transitions. Word has length 129 [2023-12-15 22:49:04,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:04,515 INFO L495 AbstractCegarLoop]: Abstraction has 1256 states and 2140 transitions. [2023-12-15 22:49:04,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-15 22:49:04,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 2140 transitions. [2023-12-15 22:49:04,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-15 22:49:04,522 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:04,522 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:04,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-15 22:49:04,523 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:04,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:04,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1029874567, now seen corresponding path program 1 times [2023-12-15 22:49:04,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:04,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864245334] [2023-12-15 22:49:04,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:04,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:04,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:04,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:04,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:04,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:04,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:04,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:04,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-15 22:49:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:04,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-15 22:49:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:04,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-15 22:49:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:04,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-15 22:49:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:04,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-15 22:49:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:04,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-15 22:49:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:04,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-15 22:49:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:04,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-15 22:49:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:04,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-15 22:49:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:04,637 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:49:04,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:04,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864245334] [2023-12-15 22:49:04,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864245334] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:04,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:04,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:49:04,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787737032] [2023-12-15 22:49:04,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:04,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:49:04,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:04,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:49:04,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:49:04,638 INFO L87 Difference]: Start difference. First operand 1256 states and 2140 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-15 22:49:06,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:06,202 INFO L93 Difference]: Finished difference Result 3123 states and 5417 transitions. [2023-12-15 22:49:06,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:49:06,203 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 130 [2023-12-15 22:49:06,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:06,213 INFO L225 Difference]: With dead ends: 3123 [2023-12-15 22:49:06,213 INFO L226 Difference]: Without dead ends: 1985 [2023-12-15 22:49:06,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:49:06,217 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 1467 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 549 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1485 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 2018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 549 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:06,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1485 Valid, 881 Invalid, 2018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [549 Valid, 1469 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-15 22:49:06,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2023-12-15 22:49:06,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1875. [2023-12-15 22:49:06,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1486 states have (on average 1.6655450874831763) internal successors, (2475), 1494 states have internal predecessors, (2475), 356 states have call successors, (356), 28 states have call predecessors, (356), 32 states have return successors, (387), 354 states have call predecessors, (387), 355 states have call successors, (387) [2023-12-15 22:49:06,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 3218 transitions. [2023-12-15 22:49:06,299 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 3218 transitions. Word has length 130 [2023-12-15 22:49:06,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:06,299 INFO L495 AbstractCegarLoop]: Abstraction has 1875 states and 3218 transitions. [2023-12-15 22:49:06,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-15 22:49:06,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 3218 transitions. [2023-12-15 22:49:06,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-15 22:49:06,308 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:06,309 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:06,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-15 22:49:06,309 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:06,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:06,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1784088936, now seen corresponding path program 1 times [2023-12-15 22:49:06,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:06,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099088988] [2023-12-15 22:49:06,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:06,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:06,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:06,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:06,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:06,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:06,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:06,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:06,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-15 22:49:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:06,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-15 22:49:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:06,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-15 22:49:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:06,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-15 22:49:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:06,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-15 22:49:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:06,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-15 22:49:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:06,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-15 22:49:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:06,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-15 22:49:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:06,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-15 22:49:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:06,398 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:49:06,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:06,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099088988] [2023-12-15 22:49:06,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099088988] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:06,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:06,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:49:06,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411832278] [2023-12-15 22:49:06,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:06,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:49:06,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:06,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:49:06,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:49:06,401 INFO L87 Difference]: Start difference. First operand 1875 states and 3218 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-15 22:49:07,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:07,879 INFO L93 Difference]: Finished difference Result 4563 states and 7988 transitions. [2023-12-15 22:49:07,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:49:07,879 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 131 [2023-12-15 22:49:07,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:07,895 INFO L225 Difference]: With dead ends: 4563 [2023-12-15 22:49:07,895 INFO L226 Difference]: Without dead ends: 2934 [2023-12-15 22:49:07,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:49:07,902 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 1471 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 543 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1490 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 1982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 543 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:07,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1490 Valid, 871 Invalid, 1982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [543 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-15 22:49:07,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2934 states. [2023-12-15 22:49:08,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2934 to 2824. [2023-12-15 22:49:08,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2824 states, 2273 states have (on average 1.6717993840739112) internal successors, (3800), 2281 states have internal predecessors, (3800), 518 states have call successors, (518), 28 states have call predecessors, (518), 32 states have return successors, (565), 516 states have call predecessors, (565), 517 states have call successors, (565) [2023-12-15 22:49:08,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2824 states and 4883 transitions. [2023-12-15 22:49:08,068 INFO L78 Accepts]: Start accepts. Automaton has 2824 states and 4883 transitions. Word has length 131 [2023-12-15 22:49:08,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:08,069 INFO L495 AbstractCegarLoop]: Abstraction has 2824 states and 4883 transitions. [2023-12-15 22:49:08,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-15 22:49:08,069 INFO L276 IsEmpty]: Start isEmpty. Operand 2824 states and 4883 transitions. [2023-12-15 22:49:08,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-15 22:49:08,083 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:08,083 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:08,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-15 22:49:08,084 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:08,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:08,084 INFO L85 PathProgramCache]: Analyzing trace with hash 910485903, now seen corresponding path program 1 times [2023-12-15 22:49:08,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:08,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052903920] [2023-12-15 22:49:08,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:08,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:08,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:08,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:08,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:08,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:08,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:08,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:08,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-15 22:49:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:08,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-15 22:49:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:08,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-15 22:49:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:08,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-15 22:49:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:08,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-15 22:49:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:08,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-15 22:49:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:08,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-15 22:49:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:08,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-15 22:49:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:08,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-15 22:49:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:08,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-15 22:49:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:08,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-15 22:49:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:08,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-12-15 22:49:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:08,187 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-15 22:49:08,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:08,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052903920] [2023-12-15 22:49:08,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052903920] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:08,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:08,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:49:08,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109395007] [2023-12-15 22:49:08,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:08,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:49:08,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:08,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:49:08,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:49:08,189 INFO L87 Difference]: Start difference. First operand 2824 states and 4883 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-15 22:49:09,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:09,720 INFO L93 Difference]: Finished difference Result 6835 states and 12056 transitions. [2023-12-15 22:49:09,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:49:09,720 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 150 [2023-12-15 22:49:09,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:09,741 INFO L225 Difference]: With dead ends: 6835 [2023-12-15 22:49:09,741 INFO L226 Difference]: Without dead ends: 4466 [2023-12-15 22:49:09,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:49:09,749 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1463 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1473 mSolverCounterSat, 525 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1481 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 1998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 525 IncrementalHoareTripleChecker+Valid, 1473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:09,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1481 Valid, 873 Invalid, 1998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [525 Valid, 1473 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-15 22:49:09,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4466 states. [2023-12-15 22:49:09,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4466 to 4356. [2023-12-15 22:49:09,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4356 states, 3560 states have (on average 1.6764044943820224) internal successors, (5968), 3568 states have internal predecessors, (5968), 763 states have call successors, (763), 28 states have call predecessors, (763), 32 states have return successors, (836), 761 states have call predecessors, (836), 762 states have call successors, (836) [2023-12-15 22:49:09,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4356 states to 4356 states and 7567 transitions. [2023-12-15 22:49:09,936 INFO L78 Accepts]: Start accepts. Automaton has 4356 states and 7567 transitions. Word has length 150 [2023-12-15 22:49:09,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:09,936 INFO L495 AbstractCegarLoop]: Abstraction has 4356 states and 7567 transitions. [2023-12-15 22:49:09,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-15 22:49:09,936 INFO L276 IsEmpty]: Start isEmpty. Operand 4356 states and 7567 transitions. [2023-12-15 22:49:09,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-15 22:49:09,954 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:09,954 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:09,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-15 22:49:09,954 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:09,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:09,955 INFO L85 PathProgramCache]: Analyzing trace with hash 502607419, now seen corresponding path program 1 times [2023-12-15 22:49:09,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:09,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428636739] [2023-12-15 22:49:09,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:09,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:10,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:10,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:10,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:10,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:10,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:10,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:10,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-15 22:49:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:10,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-15 22:49:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:10,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-15 22:49:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:10,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-15 22:49:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:10,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-15 22:49:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:10,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-15 22:49:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:10,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-15 22:49:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:10,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-15 22:49:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:10,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-15 22:49:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:10,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-15 22:49:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:10,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-15 22:49:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:10,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-15 22:49:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:10,082 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-15 22:49:10,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:10,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428636739] [2023-12-15 22:49:10,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428636739] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:10,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:10,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:49:10,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658004961] [2023-12-15 22:49:10,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:10,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:49:10,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:10,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:49:10,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:49:10,084 INFO L87 Difference]: Start difference. First operand 4356 states and 7567 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-15 22:49:11,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:11,597 INFO L93 Difference]: Finished difference Result 10888 states and 19267 transitions. [2023-12-15 22:49:11,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:49:11,598 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 151 [2023-12-15 22:49:11,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:11,634 INFO L225 Difference]: With dead ends: 10888 [2023-12-15 22:49:11,634 INFO L226 Difference]: Without dead ends: 7226 [2023-12-15 22:49:11,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:49:11,647 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 1461 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 1482 mSolverCounterSat, 543 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1479 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 2025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 543 IncrementalHoareTripleChecker+Valid, 1482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:11,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1479 Valid, 903 Invalid, 2025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [543 Valid, 1482 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-15 22:49:11,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7226 states. [2023-12-15 22:49:11,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7226 to 7116. [2023-12-15 22:49:11,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7116 states, 5827 states have (on average 1.6722155483095933) internal successors, (9744), 5835 states have internal predecessors, (9744), 1256 states have call successors, (1256), 28 states have call predecessors, (1256), 32 states have return successors, (1373), 1254 states have call predecessors, (1373), 1255 states have call successors, (1373) [2023-12-15 22:49:11,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7116 states to 7116 states and 12373 transitions. [2023-12-15 22:49:11,975 INFO L78 Accepts]: Start accepts. Automaton has 7116 states and 12373 transitions. Word has length 151 [2023-12-15 22:49:11,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:11,976 INFO L495 AbstractCegarLoop]: Abstraction has 7116 states and 12373 transitions. [2023-12-15 22:49:11,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-15 22:49:11,977 INFO L276 IsEmpty]: Start isEmpty. Operand 7116 states and 12373 transitions. [2023-12-15 22:49:12,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-15 22:49:12,006 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:12,007 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:12,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-15 22:49:12,007 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:12,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:12,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1472860436, now seen corresponding path program 1 times [2023-12-15 22:49:12,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:12,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347773340] [2023-12-15 22:49:12,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:12,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-15 22:49:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-15 22:49:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-15 22:49:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-15 22:49:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-15 22:49:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-15 22:49:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-15 22:49:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-15 22:49:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-15 22:49:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:12,113 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:49:12,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:12,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347773340] [2023-12-15 22:49:12,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347773340] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:12,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:12,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:49:12,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536021757] [2023-12-15 22:49:12,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:12,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:49:12,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:12,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:49:12,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:49:12,115 INFO L87 Difference]: Start difference. First operand 7116 states and 12373 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-15 22:49:13,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:13,676 INFO L93 Difference]: Finished difference Result 18091 states and 32014 transitions. [2023-12-15 22:49:13,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:49:13,676 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 134 [2023-12-15 22:49:13,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:13,718 INFO L225 Difference]: With dead ends: 18091 [2023-12-15 22:49:13,718 INFO L226 Difference]: Without dead ends: 12055 [2023-12-15 22:49:13,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:49:13,742 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1462 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1461 mSolverCounterSat, 539 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1480 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 2000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 539 IncrementalHoareTripleChecker+Valid, 1461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:13,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1480 Valid, 874 Invalid, 2000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [539 Valid, 1461 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-15 22:49:13,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12055 states. [2023-12-15 22:49:14,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12055 to 11945. [2023-12-15 22:49:14,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11945 states, 9834 states have (on average 1.6722595078299776) internal successors, (16445), 9842 states have internal predecessors, (16445), 2078 states have call successors, (2078), 28 states have call predecessors, (2078), 32 states have return successors, (2273), 2076 states have call predecessors, (2273), 2077 states have call successors, (2273) [2023-12-15 22:49:14,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11945 states to 11945 states and 20796 transitions. [2023-12-15 22:49:14,309 INFO L78 Accepts]: Start accepts. Automaton has 11945 states and 20796 transitions. Word has length 134 [2023-12-15 22:49:14,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:14,309 INFO L495 AbstractCegarLoop]: Abstraction has 11945 states and 20796 transitions. [2023-12-15 22:49:14,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-15 22:49:14,309 INFO L276 IsEmpty]: Start isEmpty. Operand 11945 states and 20796 transitions. [2023-12-15 22:49:14,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-15 22:49:14,360 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:14,361 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:14,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-15 22:49:14,361 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:14,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:14,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1230066454, now seen corresponding path program 1 times [2023-12-15 22:49:14,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:14,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684393727] [2023-12-15 22:49:14,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:14,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-15 22:49:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-15 22:49:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-15 22:49:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-15 22:49:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-15 22:49:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-15 22:49:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-15 22:49:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-15 22:49:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-15 22:49:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:14,470 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:49:14,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:14,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684393727] [2023-12-15 22:49:14,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684393727] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:14,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:14,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:49:14,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153198882] [2023-12-15 22:49:14,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:14,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:49:14,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:14,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:49:14,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:49:14,472 INFO L87 Difference]: Start difference. First operand 11945 states and 20796 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-15 22:49:16,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:16,308 INFO L93 Difference]: Finished difference Result 28637 states and 50462 transitions. [2023-12-15 22:49:16,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:49:16,309 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 135 [2023-12-15 22:49:16,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:16,388 INFO L225 Difference]: With dead ends: 28637 [2023-12-15 22:49:16,389 INFO L226 Difference]: Without dead ends: 18727 [2023-12-15 22:49:16,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:49:16,424 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 1460 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1492 mSolverCounterSat, 539 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1478 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 2031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 539 IncrementalHoareTripleChecker+Valid, 1492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:16,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1478 Valid, 854 Invalid, 2031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [539 Valid, 1492 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-15 22:49:16,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18727 states. [2023-12-15 22:49:17,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18727 to 18617. [2023-12-15 22:49:17,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18617 states, 15303 states have (on average 1.6489577207083579) internal successors, (25234), 15311 states have internal predecessors, (25234), 3281 states have call successors, (3281), 28 states have call predecessors, (3281), 32 states have return successors, (3620), 3279 states have call predecessors, (3620), 3280 states have call successors, (3620) [2023-12-15 22:49:17,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18617 states to 18617 states and 32135 transitions. [2023-12-15 22:49:17,277 INFO L78 Accepts]: Start accepts. Automaton has 18617 states and 32135 transitions. Word has length 135 [2023-12-15 22:49:17,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:17,277 INFO L495 AbstractCegarLoop]: Abstraction has 18617 states and 32135 transitions. [2023-12-15 22:49:17,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-15 22:49:17,278 INFO L276 IsEmpty]: Start isEmpty. Operand 18617 states and 32135 transitions. [2023-12-15 22:49:17,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-15 22:49:17,310 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:17,310 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:17,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-15 22:49:17,310 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:17,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:17,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1155671724, now seen corresponding path program 1 times [2023-12-15 22:49:17,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:17,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519225961] [2023-12-15 22:49:17,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:17,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:17,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:17,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:17,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:17,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:17,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:17,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:17,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-15 22:49:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:17,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-15 22:49:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:17,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-15 22:49:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:17,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-15 22:49:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:17,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-15 22:49:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:17,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-15 22:49:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:17,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-15 22:49:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:17,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-15 22:49:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:17,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-15 22:49:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:17,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-15 22:49:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:17,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-15 22:49:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:17,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-15 22:49:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:17,417 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-15 22:49:17,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:17,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519225961] [2023-12-15 22:49:17,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519225961] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:17,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:17,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:49:17,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222709532] [2023-12-15 22:49:17,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:17,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:49:17,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:17,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:49:17,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:49:17,421 INFO L87 Difference]: Start difference. First operand 18617 states and 32135 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-15 22:49:19,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:19,619 INFO L93 Difference]: Finished difference Result 49270 states and 86581 transitions. [2023-12-15 22:49:19,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:49:19,619 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 154 [2023-12-15 22:49:19,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:19,761 INFO L225 Difference]: With dead ends: 49270 [2023-12-15 22:49:19,761 INFO L226 Difference]: Without dead ends: 33308 [2023-12-15 22:49:19,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:49:19,808 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 1458 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 1464 mSolverCounterSat, 537 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1477 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 2001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 537 IncrementalHoareTripleChecker+Valid, 1464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:19,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1477 Valid, 876 Invalid, 2001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [537 Valid, 1464 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-15 22:49:19,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33308 states. [2023-12-15 22:49:20,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33308 to 33198. [2023-12-15 22:49:21,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33198 states, 27434 states have (on average 1.6461325362688635) internal successors, (45160), 27442 states have internal predecessors, (45160), 5731 states have call successors, (5731), 28 states have call predecessors, (5731), 32 states have return successors, (6344), 5729 states have call predecessors, (6344), 5730 states have call successors, (6344) [2023-12-15 22:49:21,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33198 states to 33198 states and 57235 transitions. [2023-12-15 22:49:21,130 INFO L78 Accepts]: Start accepts. Automaton has 33198 states and 57235 transitions. Word has length 154 [2023-12-15 22:49:21,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:21,130 INFO L495 AbstractCegarLoop]: Abstraction has 33198 states and 57235 transitions. [2023-12-15 22:49:21,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-15 22:49:21,130 INFO L276 IsEmpty]: Start isEmpty. Operand 33198 states and 57235 transitions. [2023-12-15 22:49:21,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-15 22:49:21,174 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:21,174 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:21,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-15 22:49:21,174 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:21,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:21,175 INFO L85 PathProgramCache]: Analyzing trace with hash -469139568, now seen corresponding path program 1 times [2023-12-15 22:49:21,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:21,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799255994] [2023-12-15 22:49:21,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:21,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-15 22:49:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-15 22:49:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-15 22:49:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-15 22:49:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-15 22:49:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-15 22:49:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-15 22:49:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-15 22:49:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-15 22:49:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:21,272 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-15 22:49:21,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:21,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799255994] [2023-12-15 22:49:21,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799255994] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:21,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:21,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:49:21,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231426041] [2023-12-15 22:49:21,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:21,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:49:21,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:21,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:49:21,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:49:21,275 INFO L87 Difference]: Start difference. First operand 33198 states and 57235 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-15 22:49:24,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:49:24,164 INFO L93 Difference]: Finished difference Result 90572 states and 158410 transitions. [2023-12-15 22:49:24,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:49:24,164 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 137 [2023-12-15 22:49:24,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:49:24,370 INFO L225 Difference]: With dead ends: 90572 [2023-12-15 22:49:24,371 INFO L226 Difference]: Without dead ends: 60920 [2023-12-15 22:49:24,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:49:24,441 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 1456 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 1475 mSolverCounterSat, 551 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1474 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 2026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 551 IncrementalHoareTripleChecker+Valid, 1475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:24,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1474 Valid, 886 Invalid, 2026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [551 Valid, 1475 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-15 22:49:24,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60920 states. [2023-12-15 22:49:26,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60920 to 60810. [2023-12-15 22:49:26,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60810 states, 50533 states have (on average 1.6422931549680406) internal successors, (82990), 50541 states have internal predecessors, (82990), 10244 states have call successors, (10244), 28 states have call predecessors, (10244), 32 states have return successors, (11389), 10242 states have call predecessors, (11389), 10243 states have call successors, (11389) [2023-12-15 22:49:27,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60810 states to 60810 states and 104623 transitions. [2023-12-15 22:49:27,275 INFO L78 Accepts]: Start accepts. Automaton has 60810 states and 104623 transitions. Word has length 137 [2023-12-15 22:49:27,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:49:27,276 INFO L495 AbstractCegarLoop]: Abstraction has 60810 states and 104623 transitions. [2023-12-15 22:49:27,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-15 22:49:27,276 INFO L276 IsEmpty]: Start isEmpty. Operand 60810 states and 104623 transitions. [2023-12-15 22:49:27,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-15 22:49:27,334 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:49:27,334 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:27,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-15 22:49:27,335 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:49:27,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:49:27,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1425388, now seen corresponding path program 1 times [2023-12-15 22:49:27,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:49:27,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311719557] [2023-12-15 22:49:27,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:49:27,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:49:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:27,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:49:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:27,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:49:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:27,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:49:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:27,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:49:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:27,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-15 22:49:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:27,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-15 22:49:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:27,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-15 22:49:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:27,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-15 22:49:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:27,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-15 22:49:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:27,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-15 22:49:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:27,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-15 22:49:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:27,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-15 22:49:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:27,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-15 22:49:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:27,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-15 22:49:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:27,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-15 22:49:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:27,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-15 22:49:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:27,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-15 22:49:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:27,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-12-15 22:49:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:49:27,439 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-15 22:49:27,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:49:27,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311719557] [2023-12-15 22:49:27,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311719557] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:49:27,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:49:27,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:49:27,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294710388] [2023-12-15 22:49:27,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:49:27,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:49:27,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:49:27,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:49:27,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:49:27,441 INFO L87 Difference]: Start difference. First operand 60810 states and 104623 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Received shutdown request... [2023-12-15 22:49:29,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 22:49:29,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 22:49:29,504 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 1343 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1362 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 1605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 438 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:49:29,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1362 Valid, 830 Invalid, 1605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [438 Valid, 1167 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 22:49:29,505 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 22:49:29,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-15 22:49:29,507 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (60810states) and FLOYD_HOARE automaton (currently 9 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (41597 states constructed, input type IntersectNwa). [2023-12-15 22:49:29,510 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:49:29,512 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 22:49:29,512 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-15 22:49:29,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:49:29 BoogieIcfgContainer [2023-12-15 22:49:29,514 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 22:49:29,514 INFO L158 Benchmark]: Toolchain (without parser) took 49497.21ms. Allocated memory was 199.2MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 132.3MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 893.5MB. Max. memory is 8.0GB. [2023-12-15 22:49:29,515 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 199.2MB. Free memory was 148.5MB in the beginning and 148.4MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 22:49:29,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 850.15ms. Allocated memory was 199.2MB in the beginning and 244.3MB in the end (delta: 45.1MB). Free memory was 132.1MB in the beginning and 188.1MB in the end (delta: -56.0MB). Peak memory consumption was 26.3MB. Max. memory is 8.0GB. [2023-12-15 22:49:29,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.28ms. Allocated memory is still 244.3MB. Free memory was 188.1MB in the beginning and 182.3MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-15 22:49:29,515 INFO L158 Benchmark]: Boogie Preprocessor took 111.83ms. Allocated memory is still 244.3MB. Free memory was 182.3MB in the beginning and 175.0MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-15 22:49:29,515 INFO L158 Benchmark]: RCFGBuilder took 1202.58ms. Allocated memory is still 244.3MB. Free memory was 175.0MB in the beginning and 186.3MB in the end (delta: -11.3MB). Peak memory consumption was 75.5MB. Max. memory is 8.0GB. [2023-12-15 22:49:29,516 INFO L158 Benchmark]: TraceAbstraction took 47219.38ms. Allocated memory was 244.3MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 185.8MB in the beginning and 2.3GB in the end (delta: -2.1GB). Peak memory consumption was 900.1MB. Max. memory is 8.0GB. [2023-12-15 22:49:29,517 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 199.2MB. Free memory was 148.5MB in the beginning and 148.4MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 850.15ms. Allocated memory was 199.2MB in the beginning and 244.3MB in the end (delta: 45.1MB). Free memory was 132.1MB in the beginning and 188.1MB in the end (delta: -56.0MB). Peak memory consumption was 26.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 107.28ms. Allocated memory is still 244.3MB. Free memory was 188.1MB in the beginning and 182.3MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 111.83ms. Allocated memory is still 244.3MB. Free memory was 182.3MB in the beginning and 175.0MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1202.58ms. Allocated memory is still 244.3MB. Free memory was 175.0MB in the beginning and 186.3MB in the end (delta: -11.3MB). Peak memory consumption was 75.5MB. Max. memory is 8.0GB. * TraceAbstraction took 47219.38ms. Allocated memory was 244.3MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 185.8MB in the beginning and 2.3GB in the end (delta: -2.1GB). Peak memory consumption was 900.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 48]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] - GenericResultAtLocation [Line: 97]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [97] - GenericResultAtLocation [Line: 1177]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1177] - GenericResultAtLocation [Line: 1484]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1484] - GenericResultAtLocation [Line: 1493]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1493] - GenericResultAtLocation [Line: 1641]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1641] - GenericResultAtLocation [Line: 2046]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [2046] - GenericResultAtLocation [Line: 2073]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2073] - GenericResultAtLocation [Line: 2090]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2090] - GenericResultAtLocation [Line: 2456]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2456] - GenericResultAtLocation [Line: 2675]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2675] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 1489]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1489). Cancelled while NwaCegarLoop was constructing difference of abstraction (60810states) and FLOYD_HOARE automaton (currently 9 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (41597 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 397 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 47.2s, OverallIterations: 20, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.3s, AutomataDifference: 32.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23172 SdHoareTripleChecker+Valid, 24.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22944 mSDsluCounter, 23844 SdHoareTripleChecker+Invalid, 20.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18023 mSDsCounter, 8144 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33631 IncrementalHoareTripleChecker+Invalid, 41775 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8144 mSolverCounterUnsat, 5821 mSDtfsCounter, 33631 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1779 GetRequests, 1517 SyntacticMatches, 0 SemanticMatches, 262 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 508 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60810occurred in iteration=19, InterpolantAutomatonStates: 171, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.7s AutomataMinimizationTime, 19 MinimizatonAttempts, 1535 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 3375 NumberOfCodeBlocks, 3375 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 3491 ConstructedInterpolants, 0 QuantifiedInterpolants, 5491 SizeOfPredicates, 8 NumberOfNonLiveVariables, 6855 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 27 InterpolantComputations, 19 PerfectInterpolantSequences, 966/992 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown