/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 false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/email_spec4_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 05:37:06,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 05:37:06,592 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 05:37:06,595 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 05:37:06,595 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 05:37:06,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 05:37:06,617 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 05:37:06,618 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 05:37:06,618 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 05:37:06,621 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 05:37:06,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 05:37:06,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 05:37:06,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 05:37:06,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 05:37:06,622 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 05:37:06,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 05:37:06,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 05:37:06,623 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 05:37:06,623 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 05:37:06,623 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 05:37:06,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 05:37:06,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 05:37:06,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 05:37:06,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 05:37:06,624 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 05:37:06,624 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 05:37:06,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 05:37:06,625 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 05:37:06,625 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 05:37:06,625 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 05:37:06,625 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 05:37:06,625 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 05:37:06,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:37:06,626 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 05:37:06,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 05:37:06,626 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 05:37:06,626 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 05:37:06,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 05:37:06,626 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 05:37:06,626 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 05:37:06,626 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 05:37:06,627 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 05:37:06,627 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 05:37:06,627 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 05:37:06,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 05:37:06,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 05:37:06,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 05:37:06,782 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 05:37:06,782 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 05:37:06,783 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product27.cil.c [2023-12-16 05:37:07,789 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 05:37:08,014 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 05:37:08,014 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_product27.cil.c [2023-12-16 05:37:08,044 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ffce8d99/62cd581d50ae4b8d8a2b3341a98c9c85/FLAG9da301d54 [2023-12-16 05:37:08,056 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ffce8d99/62cd581d50ae4b8d8a2b3341a98c9c85 [2023-12-16 05:37:08,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 05:37:08,059 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 05:37:08,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 05:37:08,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 05:37:08,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 05:37:08,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:37:08" (1/1) ... [2023-12-16 05:37:08,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc1d853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:37:08, skipping insertion in model container [2023-12-16 05:37:08,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:37:08" (1/1) ... [2023-12-16 05:37:08,111 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 05:37:08,262 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_product27.cil.c[1542,1555] [2023-12-16 05:37:08,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:37:08,578 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 05:37:08,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [48] [2023-12-16 05:37:08,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [57] [2023-12-16 05:37:08,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [75] [2023-12-16 05:37:08,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [308] [2023-12-16 05:37:08,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [357] [2023-12-16 05:37:08,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1437] [2023-12-16 05:37:08,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1849] [2023-12-16 05:37:08,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1948] [2023-12-16 05:37:08,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2314] [2023-12-16 05:37:08,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2619] [2023-12-16 05:37:08,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [2985] [2023-12-16 05:37:08,595 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_product27.cil.c[1542,1555] [2023-12-16 05:37:08,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:37:08,683 INFO L206 MainTranslator]: Completed translation [2023-12-16 05:37:08,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:37:08 WrapperNode [2023-12-16 05:37:08,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 05:37:08,685 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 05:37:08,685 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 05:37:08,685 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 05:37:08,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:37:08" (1/1) ... [2023-12-16 05:37:08,723 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:37:08" (1/1) ... [2023-12-16 05:37:08,808 INFO L138 Inliner]: procedures = 133, calls = 208, calls flagged for inlining = 64, calls inlined = 61, statements flattened = 1094 [2023-12-16 05:37:08,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 05:37:08,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 05:37:08,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 05:37:08,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 05:37:08,817 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:37:08" (1/1) ... [2023-12-16 05:37:08,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:37:08" (1/1) ... [2023-12-16 05:37:08,826 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:37:08" (1/1) ... [2023-12-16 05:37:08,854 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]. [2023-12-16 05:37:08,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:37:08" (1/1) ... [2023-12-16 05:37:08,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:37:08" (1/1) ... [2023-12-16 05:37:08,886 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:37:08" (1/1) ... [2023-12-16 05:37:08,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:37:08" (1/1) ... [2023-12-16 05:37:08,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:37:08" (1/1) ... [2023-12-16 05:37:08,914 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:37:08" (1/1) ... [2023-12-16 05:37:08,920 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 05:37:08,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 05:37:08,921 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 05:37:08,921 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 05:37:08,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:37:08" (1/1) ... [2023-12-16 05:37:08,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:37:08,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:37:08,953 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) [2023-12-16 05:37:08,959 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 [2023-12-16 05:37:08,975 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-12-16 05:37:08,975 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-12-16 05:37:08,975 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-16 05:37:08,975 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-16 05:37:08,975 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-16 05:37:08,975 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-16 05:37:08,975 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-16 05:37:08,975 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-16 05:37:08,975 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-12-16 05:37:08,976 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-12-16 05:37:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-16 05:37:08,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-16 05:37:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-16 05:37:08,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-16 05:37:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-16 05:37:08,976 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-16 05:37:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-12-16 05:37:08,976 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-12-16 05:37:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-16 05:37:08,976 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-16 05:37:08,976 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-16 05:37:08,976 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-16 05:37:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-12-16 05:37:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-12-16 05:37:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-16 05:37:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-16 05:37:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 05:37:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-12-16 05:37:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-12-16 05:37:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-16 05:37:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-16 05:37:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-16 05:37:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-16 05:37:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-16 05:37:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-16 05:37:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-16 05:37:08,977 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-16 05:37:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-16 05:37:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-16 05:37:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-16 05:37:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-16 05:37:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-16 05:37:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-16 05:37:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 05:37:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-16 05:37:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-16 05:37:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-16 05:37:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-16 05:37:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-16 05:37:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-16 05:37:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-16 05:37:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 05:37:08,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 05:37:09,227 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 05:37:09,237 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 05:37:10,197 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 05:37:10,299 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 05:37:10,300 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 05:37:10,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:37:10 BoogieIcfgContainer [2023-12-16 05:37:10,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 05:37:10,302 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 05:37:10,302 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 05:37:10,304 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 05:37:10,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:37:08" (1/3) ... [2023-12-16 05:37:10,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e694539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:37:10, skipping insertion in model container [2023-12-16 05:37:10,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:37:08" (2/3) ... [2023-12-16 05:37:10,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e694539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:37:10, skipping insertion in model container [2023-12-16 05:37:10,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:37:10" (3/3) ... [2023-12-16 05:37:10,306 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product27.cil.c [2023-12-16 05:37:10,322 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 05:37:10,323 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 05:37:10,409 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 05:37:10,414 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;@f76b024, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 05:37:10,414 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 05:37:10,426 INFO L276 IsEmpty]: Start isEmpty. Operand has 376 states, 291 states have (on average 1.6185567010309279) internal successors, (471), 294 states have internal predecessors, (471), 60 states have call successors, (60), 23 states have call predecessors, (60), 23 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-16 05:37:10,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-16 05:37:10,459 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:37:10,460 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:37:10,462 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:37:10,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:37:10,468 INFO L85 PathProgramCache]: Analyzing trace with hash -826176283, now seen corresponding path program 1 times [2023-12-16 05:37:10,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:37:10,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75267621] [2023-12-16 05:37:10,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:10,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:37:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:11,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:37:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:11,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:37:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:11,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:37:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:11,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:37:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:11,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:37:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:11,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:37:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:11,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-16 05:37:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:11,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-16 05:37:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:11,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:37:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:11,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-16 05:37:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:11,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 05:37:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:11,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 05:37:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:11,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-16 05:37:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:11,236 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-16 05:37:11,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:37:11,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75267621] [2023-12-16 05:37:11,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75267621] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:37:11,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091492044] [2023-12-16 05:37:11,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:11,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:37:11,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:37:11,241 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) [2023-12-16 05:37:11,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-16 05:37:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:11,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 985 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 05:37:11,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:37:11,565 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-16 05:37:11,566 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:37:11,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091492044] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:37:11,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:37:11,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2023-12-16 05:37:11,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106172606] [2023-12-16 05:37:11,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:37:11,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 05:37:11,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:37:11,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 05:37:11,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:37:11,608 INFO L87 Difference]: Start difference. First operand has 376 states, 291 states have (on average 1.6185567010309279) internal successors, (471), 294 states have internal predecessors, (471), 60 states have call successors, (60), 23 states have call predecessors, (60), 23 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:11,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:37:11,703 INFO L93 Difference]: Finished difference Result 564 states and 874 transitions. [2023-12-16 05:37:11,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 05:37:11,705 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 95 [2023-12-16 05:37:11,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:37:11,723 INFO L225 Difference]: With dead ends: 564 [2023-12-16 05:37:11,724 INFO L226 Difference]: Without dead ends: 373 [2023-12-16 05:37:11,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:37:11,739 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:37:11,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 568 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:37:11,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2023-12-16 05:37:11,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2023-12-16 05:37:11,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 289 states have (on average 1.6055363321799307) internal successors, (464), 291 states have internal predecessors, (464), 60 states have call successors, (60), 23 states have call predecessors, (60), 23 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2023-12-16 05:37:11,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 583 transitions. [2023-12-16 05:37:11,805 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 583 transitions. Word has length 95 [2023-12-16 05:37:11,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:37:11,806 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 583 transitions. [2023-12-16 05:37:11,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:11,807 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 583 transitions. [2023-12-16 05:37:11,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-16 05:37:11,811 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:37:11,811 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:37:11,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-16 05:37:12,018 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 [2023-12-16 05:37:12,018 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:37:12,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:37:12,019 INFO L85 PathProgramCache]: Analyzing trace with hash -455101672, now seen corresponding path program 1 times [2023-12-16 05:37:12,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:37:12,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866319781] [2023-12-16 05:37:12,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:12,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:37:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:12,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:37:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:12,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:37:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:12,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:37:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:12,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:37:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:12,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:37:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:12,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:37:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:12,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-16 05:37:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:12,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-16 05:37:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:12,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 05:37:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:12,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-16 05:37:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:12,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-16 05:37:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:12,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-16 05:37:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:12,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-16 05:37:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:12,263 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-16 05:37:12,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:37:12,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866319781] [2023-12-16 05:37:12,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866319781] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:37:12,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425640362] [2023-12-16 05:37:12,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:12,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:37:12,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:37:12,270 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) [2023-12-16 05:37:12,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-16 05:37:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:12,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 986 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 05:37:12,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:37:12,527 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-16 05:37:12,527 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:37:12,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425640362] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:37:12,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:37:12,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-16 05:37:12,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077969031] [2023-12-16 05:37:12,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:37:12,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:37:12,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:37:12,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:37:12,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:37:12,529 INFO L87 Difference]: Start difference. First operand 373 states and 583 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:12,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:37:12,567 INFO L93 Difference]: Finished difference Result 560 states and 858 transitions. [2023-12-16 05:37:12,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:37:12,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 96 [2023-12-16 05:37:12,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:37:12,570 INFO L225 Difference]: With dead ends: 560 [2023-12-16 05:37:12,570 INFO L226 Difference]: Without dead ends: 375 [2023-12-16 05:37:12,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:37:12,572 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 0 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1129 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:37:12,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1129 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:37:12,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2023-12-16 05:37:12,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2023-12-16 05:37:12,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 291 states have (on average 1.6013745704467355) internal successors, (466), 293 states have internal predecessors, (466), 60 states have call successors, (60), 23 states have call predecessors, (60), 23 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2023-12-16 05:37:12,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 585 transitions. [2023-12-16 05:37:12,584 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 585 transitions. Word has length 96 [2023-12-16 05:37:12,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:37:12,584 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 585 transitions. [2023-12-16 05:37:12,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:12,585 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 585 transitions. [2023-12-16 05:37:12,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-16 05:37:12,586 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:37:12,586 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] [2023-12-16 05:37:12,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-16 05:37:12,797 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 [2023-12-16 05:37:12,798 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:37:12,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:37:12,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1705677473, now seen corresponding path program 1 times [2023-12-16 05:37:12,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:37:12,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121350760] [2023-12-16 05:37:12,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:12,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:37:12,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:12,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:37:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:37:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:37:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:37:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:37:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:37:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-16 05:37:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:37:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-16 05:37:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:37:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-16 05:37:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-16 05:37:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 05:37:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,090 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-16 05:37:13,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:37:13,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121350760] [2023-12-16 05:37:13,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121350760] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:37:13,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111718852] [2023-12-16 05:37:13,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:13,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:37:13,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:37:13,093 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) [2023-12-16 05:37:13,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-16 05:37:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 05:37:13,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:37:13,332 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-16 05:37:13,332 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:37:13,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111718852] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:37:13,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:37:13,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-16 05:37:13,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725027106] [2023-12-16 05:37:13,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:37:13,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:37:13,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:37:13,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:37:13,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:37:13,334 INFO L87 Difference]: Start difference. First operand 375 states and 585 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:13,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:37:13,381 INFO L93 Difference]: Finished difference Result 802 states and 1269 transitions. [2023-12-16 05:37:13,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:37:13,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 103 [2023-12-16 05:37:13,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:37:13,384 INFO L225 Difference]: With dead ends: 802 [2023-12-16 05:37:13,384 INFO L226 Difference]: Without dead ends: 449 [2023-12-16 05:37:13,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:37:13,386 INFO L413 NwaCegarLoop]: 573 mSDtfsCounter, 136 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1094 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:37:13,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1094 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:37:13,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2023-12-16 05:37:13,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 444. [2023-12-16 05:37:13,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 346 states have (on average 1.6184971098265897) internal successors, (560), 348 states have internal predecessors, (560), 74 states have call successors, (74), 23 states have call predecessors, (74), 23 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2023-12-16 05:37:13,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 707 transitions. [2023-12-16 05:37:13,398 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 707 transitions. Word has length 103 [2023-12-16 05:37:13,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:37:13,399 INFO L495 AbstractCegarLoop]: Abstraction has 444 states and 707 transitions. [2023-12-16 05:37:13,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:13,399 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 707 transitions. [2023-12-16 05:37:13,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-16 05:37:13,401 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:37:13,401 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] [2023-12-16 05:37:13,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-16 05:37:13,610 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 [2023-12-16 05:37:13,611 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:37:13,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:37:13,611 INFO L85 PathProgramCache]: Analyzing trace with hash -385457840, now seen corresponding path program 1 times [2023-12-16 05:37:13,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:37:13,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285211423] [2023-12-16 05:37:13,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:13,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:37:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:37:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:37:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:37:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:37:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:37:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:37:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-16 05:37:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 05:37:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-16 05:37:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-16 05:37:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-16 05:37:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-16 05:37:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-16 05:37:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,738 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-16 05:37:13,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:37:13,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285211423] [2023-12-16 05:37:13,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285211423] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:37:13,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930133372] [2023-12-16 05:37:13,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:13,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:37:13,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:37:13,762 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) [2023-12-16 05:37:13,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-16 05:37:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:13,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 05:37:13,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:37:14,033 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-16 05:37:14,033 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:37:14,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930133372] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:37:14,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:37:14,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-12-16 05:37:14,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838283220] [2023-12-16 05:37:14,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:37:14,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 05:37:14,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:37:14,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 05:37:14,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:37:14,060 INFO L87 Difference]: Start difference. First operand 444 states and 707 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-16 05:37:14,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:37:14,147 INFO L93 Difference]: Finished difference Result 883 states and 1408 transitions. [2023-12-16 05:37:14,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 05:37:14,148 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 104 [2023-12-16 05:37:14,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:37:14,150 INFO L225 Difference]: With dead ends: 883 [2023-12-16 05:37:14,150 INFO L226 Difference]: Without dead ends: 446 [2023-12-16 05:37:14,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:37:14,152 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 8 mSDsluCounter, 1657 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2213 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:37:14,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2213 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 05:37:14,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2023-12-16 05:37:14,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2023-12-16 05:37:14,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 347 states have (on average 1.61671469740634) internal successors, (561), 350 states have internal predecessors, (561), 74 states have call successors, (74), 23 states have call predecessors, (74), 24 states have return successors, (75), 72 states have call predecessors, (75), 73 states have call successors, (75) [2023-12-16 05:37:14,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 710 transitions. [2023-12-16 05:37:14,165 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 710 transitions. Word has length 104 [2023-12-16 05:37:14,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:37:14,166 INFO L495 AbstractCegarLoop]: Abstraction has 446 states and 710 transitions. [2023-12-16 05:37:14,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-16 05:37:14,166 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 710 transitions. [2023-12-16 05:37:14,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-16 05:37:14,167 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:37:14,168 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] [2023-12-16 05:37:14,174 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-16 05:37:14,374 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 [2023-12-16 05:37:14,374 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:37:14,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:37:14,375 INFO L85 PathProgramCache]: Analyzing trace with hash 565022539, now seen corresponding path program 1 times [2023-12-16 05:37:14,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:37:14,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595338788] [2023-12-16 05:37:14,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:14,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:37:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:14,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:37:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:14,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:37:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:14,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:37:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:14,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:37:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:14,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-12-16 05:37:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:14,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-12-16 05:37:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:14,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 05:37:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:14,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-16 05:37:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:14,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-16 05:37:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:14,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-16 05:37:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:14,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:37:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:14,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 05:37:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:14,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:37:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:14,618 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-16 05:37:14,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:37:14,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595338788] [2023-12-16 05:37:14,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595338788] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:37:14,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649132278] [2023-12-16 05:37:14,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:14,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:37:14,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:37:14,633 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) [2023-12-16 05:37:14,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-16 05:37:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:14,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 05:37:14,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:37:14,937 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-16 05:37:14,937 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:37:14,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649132278] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:37:14,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:37:14,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-12-16 05:37:14,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922036775] [2023-12-16 05:37:14,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:37:14,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 05:37:14,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:37:14,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 05:37:14,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-12-16 05:37:14,939 INFO L87 Difference]: Start difference. First operand 446 states and 710 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-16 05:37:15,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:37:15,022 INFO L93 Difference]: Finished difference Result 885 states and 1413 transitions. [2023-12-16 05:37:15,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 05:37:15,023 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 105 [2023-12-16 05:37:15,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:37:15,041 INFO L225 Difference]: With dead ends: 885 [2023-12-16 05:37:15,041 INFO L226 Difference]: Without dead ends: 448 [2023-12-16 05:37:15,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-12-16 05:37:15,043 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 8 mSDsluCounter, 1645 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2199 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:37:15,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2199 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 05:37:15,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2023-12-16 05:37:15,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2023-12-16 05:37:15,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 348 states have (on average 1.6149425287356323) internal successors, (562), 352 states have internal predecessors, (562), 74 states have call successors, (74), 23 states have call predecessors, (74), 25 states have return successors, (80), 72 states have call predecessors, (80), 73 states have call successors, (80) [2023-12-16 05:37:15,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 716 transitions. [2023-12-16 05:37:15,054 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 716 transitions. Word has length 105 [2023-12-16 05:37:15,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:37:15,055 INFO L495 AbstractCegarLoop]: Abstraction has 448 states and 716 transitions. [2023-12-16 05:37:15,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-16 05:37:15,055 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 716 transitions. [2023-12-16 05:37:15,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-16 05:37:15,059 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:37:15,059 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] [2023-12-16 05:37:15,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-16 05:37:15,266 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 [2023-12-16 05:37:15,266 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:37:15,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:37:15,267 INFO L85 PathProgramCache]: Analyzing trace with hash 485132098, now seen corresponding path program 1 times [2023-12-16 05:37:15,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:37:15,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005010450] [2023-12-16 05:37:15,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:15,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:37:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:15,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:37:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:15,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:37:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:15,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:37:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:15,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:37:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:15,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:37:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:15,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-16 05:37:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:15,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-16 05:37:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:15,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-16 05:37:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:15,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:37:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:15,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 05:37:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:15,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-16 05:37:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:15,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-16 05:37:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:15,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-16 05:37:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:15,390 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-16 05:37:15,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:37:15,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005010450] [2023-12-16 05:37:15,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005010450] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:37:15,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:37:15,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 05:37:15,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302591325] [2023-12-16 05:37:15,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:37:15,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 05:37:15,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:37:15,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 05:37:15,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:37:15,391 INFO L87 Difference]: Start difference. First operand 448 states and 716 transitions. Second operand has 9 states, 8 states have (on average 7.875) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-16 05:37:17,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:37:17,513 INFO L93 Difference]: Finished difference Result 1058 states and 1728 transitions. [2023-12-16 05:37:17,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 05:37:17,514 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 106 [2023-12-16 05:37:17,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:37:17,517 INFO L225 Difference]: With dead ends: 1058 [2023-12-16 05:37:17,517 INFO L226 Difference]: Without dead ends: 629 [2023-12-16 05:37:17,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-16 05:37:17,519 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 1304 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 3120 mSolverCounterSat, 424 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1305 SdHoareTripleChecker+Valid, 1242 SdHoareTripleChecker+Invalid, 3544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 424 IncrementalHoareTripleChecker+Valid, 3120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-16 05:37:17,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1305 Valid, 1242 Invalid, 3544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [424 Valid, 3120 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-16 05:37:17,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2023-12-16 05:37:17,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 448. [2023-12-16 05:37:17,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 348 states have (on average 1.6149425287356323) internal successors, (562), 352 states have internal predecessors, (562), 74 states have call successors, (74), 23 states have call predecessors, (74), 25 states have return successors, (79), 72 states have call predecessors, (79), 73 states have call successors, (79) [2023-12-16 05:37:17,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 715 transitions. [2023-12-16 05:37:17,548 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 715 transitions. Word has length 106 [2023-12-16 05:37:17,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:37:17,549 INFO L495 AbstractCegarLoop]: Abstraction has 448 states and 715 transitions. [2023-12-16 05:37:17,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-16 05:37:17,549 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 715 transitions. [2023-12-16 05:37:17,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-16 05:37:17,553 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:37:17,553 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] [2023-12-16 05:37:17,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 05:37:17,553 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:37:17,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:37:17,553 INFO L85 PathProgramCache]: Analyzing trace with hash -767799265, now seen corresponding path program 2 times [2023-12-16 05:37:17,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:37:17,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359441055] [2023-12-16 05:37:17,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:17,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:37:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:17,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:37:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:17,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:37:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:17,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:37:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:17,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:37:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:17,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:37:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:17,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-16 05:37:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:17,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-16 05:37:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:17,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-16 05:37:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:17,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:37:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:17,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-16 05:37:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:17,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 05:37:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:17,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 05:37:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:17,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-16 05:37:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:17,729 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-16 05:37:17,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:37:17,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359441055] [2023-12-16 05:37:17,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359441055] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:37:17,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:37:17,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 05:37:17,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790454899] [2023-12-16 05:37:17,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:37:17,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 05:37:17,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:37:17,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 05:37:17,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:37:17,731 INFO L87 Difference]: Start difference. First operand 448 states and 715 transitions. Second operand has 9 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-16 05:37:19,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:37:19,651 INFO L93 Difference]: Finished difference Result 1060 states and 1731 transitions. [2023-12-16 05:37:19,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 05:37:19,652 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 107 [2023-12-16 05:37:19,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:37:19,657 INFO L225 Difference]: With dead ends: 1060 [2023-12-16 05:37:19,657 INFO L226 Difference]: Without dead ends: 631 [2023-12-16 05:37:19,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-16 05:37:19,660 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1304 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 3057 mSolverCounterSat, 437 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1305 SdHoareTripleChecker+Valid, 1240 SdHoareTripleChecker+Invalid, 3494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 3057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-16 05:37:19,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1305 Valid, 1240 Invalid, 3494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [437 Valid, 3057 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-16 05:37:19,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2023-12-16 05:37:19,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 450. [2023-12-16 05:37:19,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 349 states have (on average 1.6131805157593124) internal successors, (563), 354 states have internal predecessors, (563), 74 states have call successors, (74), 23 states have call predecessors, (74), 26 states have return successors, (81), 72 states have call predecessors, (81), 73 states have call successors, (81) [2023-12-16 05:37:19,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 718 transitions. [2023-12-16 05:37:19,683 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 718 transitions. Word has length 107 [2023-12-16 05:37:19,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:37:19,683 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 718 transitions. [2023-12-16 05:37:19,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2023-12-16 05:37:19,684 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 718 transitions. [2023-12-16 05:37:19,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-16 05:37:19,685 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:37:19,685 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:37:19,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 05:37:19,685 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:37:19,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:37:19,686 INFO L85 PathProgramCache]: Analyzing trace with hash 295142845, now seen corresponding path program 1 times [2023-12-16 05:37:19,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:37:19,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085005002] [2023-12-16 05:37:19,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:19,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:37:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:19,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:37:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:19,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:37:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:19,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:37:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:19,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:37:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:19,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:37:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:19,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:37:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:19,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:37:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:19,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-16 05:37:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:19,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 05:37:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:19,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-16 05:37:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:19,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-16 05:37:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:19,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-16 05:37:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:19,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-16 05:37:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:19,839 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-16 05:37:19,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:37:19,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085005002] [2023-12-16 05:37:19,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085005002] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:37:19,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:37:19,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 05:37:19,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677261494] [2023-12-16 05:37:19,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:37:19,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 05:37:19,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:37:19,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 05:37:19,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:37:19,841 INFO L87 Difference]: Start difference. First operand 450 states and 718 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 8 states have internal predecessors, (68), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2023-12-16 05:37:22,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:37:22,379 INFO L93 Difference]: Finished difference Result 1058 states and 1726 transitions. [2023-12-16 05:37:22,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 05:37:22,380 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 8 states have internal predecessors, (68), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 108 [2023-12-16 05:37:22,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:37:22,384 INFO L225 Difference]: With dead ends: 1058 [2023-12-16 05:37:22,384 INFO L226 Difference]: Without dead ends: 631 [2023-12-16 05:37:22,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-16 05:37:22,386 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 1309 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 5126 mSolverCounterSat, 435 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1310 SdHoareTripleChecker+Valid, 1719 SdHoareTripleChecker+Invalid, 5561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 435 IncrementalHoareTripleChecker+Valid, 5126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-16 05:37:22,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1310 Valid, 1719 Invalid, 5561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [435 Valid, 5126 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-16 05:37:22,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2023-12-16 05:37:22,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 450. [2023-12-16 05:37:22,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 349 states have (on average 1.6131805157593124) internal successors, (563), 354 states have internal predecessors, (563), 74 states have call successors, (74), 23 states have call predecessors, (74), 26 states have return successors, (80), 72 states have call predecessors, (80), 73 states have call successors, (80) [2023-12-16 05:37:22,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 717 transitions. [2023-12-16 05:37:22,413 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 717 transitions. Word has length 108 [2023-12-16 05:37:22,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:37:22,413 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 717 transitions. [2023-12-16 05:37:22,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 8 states have internal predecessors, (68), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2023-12-16 05:37:22,413 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 717 transitions. [2023-12-16 05:37:22,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-16 05:37:22,415 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:37:22,415 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] [2023-12-16 05:37:22,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 05:37:22,415 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:37:22,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:37:22,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1015893594, now seen corresponding path program 2 times [2023-12-16 05:37:22,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:37:22,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167066010] [2023-12-16 05:37:22,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:22,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:37:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:22,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:37:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:22,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:37:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:22,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:37:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:22,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:37:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:22,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:37:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:22,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:37:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:22,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 05:37:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:22,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-16 05:37:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:22,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-16 05:37:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:22,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-16 05:37:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:22,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-16 05:37:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:22,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-16 05:37:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:22,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:37:22,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:22,591 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-16 05:37:22,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:37:22,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167066010] [2023-12-16 05:37:22,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167066010] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:37:22,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:37:22,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 05:37:22,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345212872] [2023-12-16 05:37:22,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:37:22,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 05:37:22,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:37:22,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 05:37:22,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:37:22,593 INFO L87 Difference]: Start difference. First operand 450 states and 717 transitions. Second operand has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2023-12-16 05:37:25,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:37:25,222 INFO L93 Difference]: Finished difference Result 1060 states and 1732 transitions. [2023-12-16 05:37:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 05:37:25,223 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 109 [2023-12-16 05:37:25,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:37:25,228 INFO L225 Difference]: With dead ends: 1060 [2023-12-16 05:37:25,229 INFO L226 Difference]: Without dead ends: 633 [2023-12-16 05:37:25,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-16 05:37:25,233 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 1304 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 5158 mSolverCounterSat, 435 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1305 SdHoareTripleChecker+Valid, 1718 SdHoareTripleChecker+Invalid, 5593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 435 IncrementalHoareTripleChecker+Valid, 5158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-16 05:37:25,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1305 Valid, 1718 Invalid, 5593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [435 Valid, 5158 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-16 05:37:25,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2023-12-16 05:37:25,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 452. [2023-12-16 05:37:25,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 350 states have (on average 1.6114285714285714) internal successors, (564), 356 states have internal predecessors, (564), 74 states have call successors, (74), 23 states have call predecessors, (74), 27 states have return successors, (85), 72 states have call predecessors, (85), 73 states have call successors, (85) [2023-12-16 05:37:25,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 723 transitions. [2023-12-16 05:37:25,269 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 723 transitions. Word has length 109 [2023-12-16 05:37:25,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:37:25,269 INFO L495 AbstractCegarLoop]: Abstraction has 452 states and 723 transitions. [2023-12-16 05:37:25,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2023-12-16 05:37:25,269 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 723 transitions. [2023-12-16 05:37:25,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-16 05:37:25,271 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:37:25,271 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] [2023-12-16 05:37:25,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 05:37:25,271 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:37:25,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:37:25,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1934459784, now seen corresponding path program 1 times [2023-12-16 05:37:25,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:37:25,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626826461] [2023-12-16 05:37:25,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:25,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:37:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:25,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:37:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:25,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:37:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:25,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:37:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:25,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:37:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:25,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:37:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:25,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:37:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:25,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-16 05:37:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:25,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 05:37:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:25,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:37:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:25,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-16 05:37:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:25,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-16 05:37:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:25,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 05:37:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:25,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-16 05:37:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:25,457 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-12-16 05:37:25,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:37:25,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626826461] [2023-12-16 05:37:25,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626826461] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:37:25,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661777530] [2023-12-16 05:37:25,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:25,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:37:25,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:37:25,459 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) [2023-12-16 05:37:25,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-16 05:37:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:25,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 1021 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 05:37:25,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:37:25,781 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:37:25,781 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 05:37:25,859 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:37:25,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661777530] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 05:37:25,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-16 05:37:25,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2023-12-16 05:37:25,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981129786] [2023-12-16 05:37:25,859 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-16 05:37:25,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-16 05:37:25,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:37:25,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-16 05:37:25,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-12-16 05:37:25,861 INFO L87 Difference]: Start difference. First operand 452 states and 723 transitions. Second operand has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 11 states have internal predecessors, (114), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2023-12-16 05:37:28,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:37:28,731 INFO L93 Difference]: Finished difference Result 1499 states and 2543 transitions. [2023-12-16 05:37:28,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-16 05:37:28,731 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 11 states have internal predecessors, (114), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 110 [2023-12-16 05:37:28,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:37:28,737 INFO L225 Difference]: With dead ends: 1499 [2023-12-16 05:37:28,737 INFO L226 Difference]: Without dead ends: 1073 [2023-12-16 05:37:28,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2023-12-16 05:37:28,739 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 2609 mSDsluCounter, 1802 mSDsCounter, 0 mSdLazyCounter, 5486 mSolverCounterSat, 837 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2630 SdHoareTripleChecker+Valid, 1982 SdHoareTripleChecker+Invalid, 6323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 837 IncrementalHoareTripleChecker+Valid, 5486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-16 05:37:28,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2630 Valid, 1982 Invalid, 6323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [837 Valid, 5486 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-16 05:37:28,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2023-12-16 05:37:28,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 877. [2023-12-16 05:37:28,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 877 states, 696 states have (on average 1.6551724137931034) internal successors, (1152), 702 states have internal predecessors, (1152), 153 states have call successors, (153), 23 states have call predecessors, (153), 27 states have return successors, (174), 151 states have call predecessors, (174), 152 states have call successors, (174) [2023-12-16 05:37:28,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1479 transitions. [2023-12-16 05:37:28,824 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1479 transitions. Word has length 110 [2023-12-16 05:37:28,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:37:28,825 INFO L495 AbstractCegarLoop]: Abstraction has 877 states and 1479 transitions. [2023-12-16 05:37:28,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 11 states have internal predecessors, (114), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2023-12-16 05:37:28,826 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1479 transitions. [2023-12-16 05:37:28,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-16 05:37:28,829 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:37:28,829 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:37:28,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-16 05:37:29,029 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 [2023-12-16 05:37:29,029 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:37:29,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:37:29,030 INFO L85 PathProgramCache]: Analyzing trace with hash -171403862, now seen corresponding path program 1 times [2023-12-16 05:37:29,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:37:29,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432358043] [2023-12-16 05:37:29,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:29,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:37:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:29,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:37:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:29,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:37:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:29,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:37:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:29,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:37:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:29,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:37:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:29,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:37:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:29,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-16 05:37:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:29,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:37:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:29,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 05:37:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:29,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-16 05:37:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:29,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-16 05:37:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:29,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-16 05:37:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:29,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-16 05:37:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:29,163 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:37:29,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:37:29,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432358043] [2023-12-16 05:37:29,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432358043] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:37:29,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:37:29,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:37:29,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165037595] [2023-12-16 05:37:29,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:37:29,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:37:29,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:37:29,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:37:29,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:37:29,164 INFO L87 Difference]: Start difference. First operand 877 states and 1479 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:30,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:37:30,742 INFO L93 Difference]: Finished difference Result 2274 states and 3932 transitions. [2023-12-16 05:37:30,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:37:30,743 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 114 [2023-12-16 05:37:30,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:37:30,751 INFO L225 Difference]: With dead ends: 2274 [2023-12-16 05:37:30,751 INFO L226 Difference]: Without dead ends: 1465 [2023-12-16 05:37:30,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:37:30,755 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 1428 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 1769 mSolverCounterSat, 504 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1446 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 2273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 504 IncrementalHoareTripleChecker+Valid, 1769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-16 05:37:30,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1446 Valid, 929 Invalid, 2273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [504 Valid, 1769 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-16 05:37:30,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2023-12-16 05:37:30,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1279. [2023-12-16 05:37:30,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1279 states, 1019 states have (on average 1.6673209028459275) internal successors, (1699), 1025 states have internal predecessors, (1699), 232 states have call successors, (232), 23 states have call predecessors, (232), 27 states have return successors, (263), 230 states have call predecessors, (263), 231 states have call successors, (263) [2023-12-16 05:37:30,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 2194 transitions. [2023-12-16 05:37:30,831 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 2194 transitions. Word has length 114 [2023-12-16 05:37:30,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:37:30,831 INFO L495 AbstractCegarLoop]: Abstraction has 1279 states and 2194 transitions. [2023-12-16 05:37:30,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:30,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 2194 transitions. [2023-12-16 05:37:30,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-16 05:37:30,838 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:37:30,838 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:37:30,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-16 05:37:30,838 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:37:30,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:37:30,839 INFO L85 PathProgramCache]: Analyzing trace with hash 358756712, now seen corresponding path program 1 times [2023-12-16 05:37:30,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:37:30,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648180671] [2023-12-16 05:37:30,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:30,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:37:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:30,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:37:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:30,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:37:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:30,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:37:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:30,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:37:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:30,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:37:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:30,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:37:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:30,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 05:37:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:30,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:37:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:30,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-16 05:37:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:30,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-16 05:37:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:30,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-16 05:37:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:30,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-16 05:37:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:30,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-16 05:37:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:30,937 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:37:30,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:37:30,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648180671] [2023-12-16 05:37:30,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648180671] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:37:30,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:37:30,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:37:30,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783885253] [2023-12-16 05:37:30,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:37:30,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:37:30,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:37:30,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:37:30,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:37:30,938 INFO L87 Difference]: Start difference. First operand 1279 states and 2194 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:32,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:37:32,539 INFO L93 Difference]: Finished difference Result 3277 states and 5709 transitions. [2023-12-16 05:37:32,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:37:32,540 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 115 [2023-12-16 05:37:32,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:37:32,561 INFO L225 Difference]: With dead ends: 3277 [2023-12-16 05:37:32,562 INFO L226 Difference]: Without dead ends: 2116 [2023-12-16 05:37:32,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:37:32,565 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1430 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 1729 mSolverCounterSat, 513 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1449 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 2242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 513 IncrementalHoareTripleChecker+Valid, 1729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-16 05:37:32,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1449 Valid, 914 Invalid, 2242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [513 Valid, 1729 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-16 05:37:32,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2116 states. [2023-12-16 05:37:32,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2116 to 1930. [2023-12-16 05:37:32,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1930 states, 1551 states have (on average 1.6731141199226305) internal successors, (2595), 1557 states have internal predecessors, (2595), 351 states have call successors, (351), 23 states have call predecessors, (351), 27 states have return successors, (382), 349 states have call predecessors, (382), 350 states have call successors, (382) [2023-12-16 05:37:32,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 1930 states and 3328 transitions. [2023-12-16 05:37:32,678 INFO L78 Accepts]: Start accepts. Automaton has 1930 states and 3328 transitions. Word has length 115 [2023-12-16 05:37:32,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:37:32,678 INFO L495 AbstractCegarLoop]: Abstraction has 1930 states and 3328 transitions. [2023-12-16 05:37:32,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:32,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1930 states and 3328 transitions. [2023-12-16 05:37:32,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-16 05:37:32,685 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:37:32,685 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:37:32,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-16 05:37:32,685 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:37:32,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:37:32,686 INFO L85 PathProgramCache]: Analyzing trace with hash -265033892, now seen corresponding path program 1 times [2023-12-16 05:37:32,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:37:32,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576433694] [2023-12-16 05:37:32,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:32,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:37:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:32,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:37:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:32,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:37:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:32,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:37:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:32,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:37:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:32,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:37:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:32,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:37:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:32,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-16 05:37:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:32,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 05:37:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:32,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-16 05:37:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:32,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:37:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:32,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 05:37:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:32,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:37:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:32,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-16 05:37:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:32,766 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:37:32,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:37:32,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576433694] [2023-12-16 05:37:32,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576433694] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:37:32,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:37:32,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:37:32,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135707186] [2023-12-16 05:37:32,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:37:32,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:37:32,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:37:32,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:37:32,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:37:32,768 INFO L87 Difference]: Start difference. First operand 1930 states and 3328 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:34,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:37:34,213 INFO L93 Difference]: Finished difference Result 4801 states and 8427 transitions. [2023-12-16 05:37:34,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:37:34,214 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 116 [2023-12-16 05:37:34,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:37:34,228 INFO L225 Difference]: With dead ends: 4801 [2023-12-16 05:37:34,229 INFO L226 Difference]: Without dead ends: 3117 [2023-12-16 05:37:34,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:37:34,235 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1424 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1755 mSolverCounterSat, 499 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1442 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 2254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 499 IncrementalHoareTripleChecker+Valid, 1755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 05:37:34,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1442 Valid, 909 Invalid, 2254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [499 Valid, 1755 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 05:37:34,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3117 states. [2023-12-16 05:37:34,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3117 to 2931. [2023-12-16 05:37:34,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2931 states, 2390 states have (on average 1.6782426778242678) internal successors, (4011), 2396 states have internal predecessors, (4011), 513 states have call successors, (513), 23 states have call predecessors, (513), 27 states have return successors, (560), 511 states have call predecessors, (560), 512 states have call successors, (560) [2023-12-16 05:37:34,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2931 states to 2931 states and 5084 transitions. [2023-12-16 05:37:34,385 INFO L78 Accepts]: Start accepts. Automaton has 2931 states and 5084 transitions. Word has length 116 [2023-12-16 05:37:34,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:37:34,385 INFO L495 AbstractCegarLoop]: Abstraction has 2931 states and 5084 transitions. [2023-12-16 05:37:34,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:34,386 INFO L276 IsEmpty]: Start isEmpty. Operand 2931 states and 5084 transitions. [2023-12-16 05:37:34,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-16 05:37:34,393 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:37:34,393 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:37:34,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-16 05:37:34,394 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:37:34,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:37:34,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1531116121, now seen corresponding path program 1 times [2023-12-16 05:37:34,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:37:34,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50629192] [2023-12-16 05:37:34,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:34,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:37:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:34,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:37:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:34,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:37:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:34,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:37:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:34,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:37:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:34,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:37:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:34,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:37:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:34,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-16 05:37:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:34,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-16 05:37:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:34,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-16 05:37:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:34,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-16 05:37:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:34,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-16 05:37:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:34,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-16 05:37:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:34,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-16 05:37:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:34,469 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:37:34,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:37:34,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50629192] [2023-12-16 05:37:34,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50629192] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:37:34,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:37:34,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:37:34,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883747092] [2023-12-16 05:37:34,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:37:34,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:37:34,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:37:34,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:37:34,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:37:34,470 INFO L87 Difference]: Start difference. First operand 2931 states and 5084 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:36,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:37:36,088 INFO L93 Difference]: Finished difference Result 7213 states and 12740 transitions. [2023-12-16 05:37:36,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:37:36,088 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 117 [2023-12-16 05:37:36,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:37:36,105 INFO L225 Difference]: With dead ends: 7213 [2023-12-16 05:37:36,105 INFO L226 Difference]: Without dead ends: 4737 [2023-12-16 05:37:36,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:37:36,111 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1420 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1755 mSolverCounterSat, 499 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1438 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 2254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 499 IncrementalHoareTripleChecker+Valid, 1755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-16 05:37:36,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1438 Valid, 909 Invalid, 2254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [499 Valid, 1755 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-16 05:37:36,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4737 states. [2023-12-16 05:37:36,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4737 to 4551. [2023-12-16 05:37:36,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4551 states, 3765 states have (on average 1.6820717131474103) internal successors, (6333), 3771 states have internal predecessors, (6333), 758 states have call successors, (758), 23 states have call predecessors, (758), 27 states have return successors, (831), 756 states have call predecessors, (831), 757 states have call successors, (831) [2023-12-16 05:37:36,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4551 states to 4551 states and 7922 transitions. [2023-12-16 05:37:36,242 INFO L78 Accepts]: Start accepts. Automaton has 4551 states and 7922 transitions. Word has length 117 [2023-12-16 05:37:36,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:37:36,242 INFO L495 AbstractCegarLoop]: Abstraction has 4551 states and 7922 transitions. [2023-12-16 05:37:36,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:36,242 INFO L276 IsEmpty]: Start isEmpty. Operand 4551 states and 7922 transitions. [2023-12-16 05:37:36,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-16 05:37:36,252 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:37:36,252 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:37:36,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-16 05:37:36,253 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:37:36,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:37:36,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1539886880, now seen corresponding path program 1 times [2023-12-16 05:37:36,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:37:36,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271449921] [2023-12-16 05:37:36,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:36,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:37:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:36,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:37:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:36,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:37:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:36,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:37:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:36,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:37:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:36,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:37:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:36,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:37:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:36,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-16 05:37:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:36,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:37:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:36,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-16 05:37:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:36,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 05:37:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:36,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:37:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:36,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-16 05:37:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:36,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-16 05:37:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:36,330 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:37:36,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:37:36,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271449921] [2023-12-16 05:37:36,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271449921] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:37:36,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:37:36,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:37:36,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944429320] [2023-12-16 05:37:36,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:37:36,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:37:36,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:37:36,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:37:36,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:37:36,331 INFO L87 Difference]: Start difference. First operand 4551 states and 7922 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:38,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:37:38,045 INFO L93 Difference]: Finished difference Result 11290 states and 19993 transitions. [2023-12-16 05:37:38,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:37:38,045 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 118 [2023-12-16 05:37:38,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:37:38,081 INFO L225 Difference]: With dead ends: 11290 [2023-12-16 05:37:38,081 INFO L226 Difference]: Without dead ends: 7497 [2023-12-16 05:37:38,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:37:38,093 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 1420 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 1787 mSolverCounterSat, 505 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1439 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 2292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 505 IncrementalHoareTripleChecker+Valid, 1787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 05:37:38,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1439 Valid, 944 Invalid, 2292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [505 Valid, 1787 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 05:37:38,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7497 states. [2023-12-16 05:37:38,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7497 to 7311. [2023-12-16 05:37:38,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7311 states, 6032 states have (on average 1.675895225464191) internal successors, (10109), 6038 states have internal predecessors, (10109), 1251 states have call successors, (1251), 23 states have call predecessors, (1251), 27 states have return successors, (1368), 1249 states have call predecessors, (1368), 1250 states have call successors, (1368) [2023-12-16 05:37:38,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7311 states to 7311 states and 12728 transitions. [2023-12-16 05:37:38,398 INFO L78 Accepts]: Start accepts. Automaton has 7311 states and 12728 transitions. Word has length 118 [2023-12-16 05:37:38,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:37:38,398 INFO L495 AbstractCegarLoop]: Abstraction has 7311 states and 12728 transitions. [2023-12-16 05:37:38,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:38,399 INFO L276 IsEmpty]: Start isEmpty. Operand 7311 states and 12728 transitions. [2023-12-16 05:37:38,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-16 05:37:38,412 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:37:38,412 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:37:38,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-16 05:37:38,412 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:37:38,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:37:38,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1538636259, now seen corresponding path program 1 times [2023-12-16 05:37:38,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:37:38,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869679724] [2023-12-16 05:37:38,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:38,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:37:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:38,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:37:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:38,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:37:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:38,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:37:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:38,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:37:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:38,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:37:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:38,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:37:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:38,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:37:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:38,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:37:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:38,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-16 05:37:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:38,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-16 05:37:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:38,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-16 05:37:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:38,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-16 05:37:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:38,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-16 05:37:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:38,493 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:37:38,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:37:38,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869679724] [2023-12-16 05:37:38,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869679724] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:37:38,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:37:38,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:37:38,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995461150] [2023-12-16 05:37:38,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:37:38,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:37:38,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:37:38,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:37:38,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:37:38,495 INFO L87 Difference]: Start difference. First operand 7311 states and 12728 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:40,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:37:40,008 INFO L93 Difference]: Finished difference Result 18649 states and 33013 transitions. [2023-12-16 05:37:40,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:37:40,008 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 119 [2023-12-16 05:37:40,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:37:40,102 INFO L225 Difference]: With dead ends: 18649 [2023-12-16 05:37:40,102 INFO L226 Difference]: Without dead ends: 12482 [2023-12-16 05:37:40,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:37:40,131 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 1422 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 516 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1441 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 2272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 516 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:37:40,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1441 Valid, 925 Invalid, 2272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [516 Valid, 1756 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-16 05:37:40,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12482 states. [2023-12-16 05:37:40,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12482 to 12296. [2023-12-16 05:37:40,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12296 states, 10195 states have (on average 1.6756253065228053) internal successors, (17083), 10201 states have internal predecessors, (17083), 2073 states have call successors, (2073), 23 states have call predecessors, (2073), 27 states have return successors, (2268), 2071 states have call predecessors, (2268), 2072 states have call successors, (2268) [2023-12-16 05:37:40,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12296 states to 12296 states and 21424 transitions. [2023-12-16 05:37:40,980 INFO L78 Accepts]: Start accepts. Automaton has 12296 states and 21424 transitions. Word has length 119 [2023-12-16 05:37:40,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:37:40,981 INFO L495 AbstractCegarLoop]: Abstraction has 12296 states and 21424 transitions. [2023-12-16 05:37:40,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:40,981 INFO L276 IsEmpty]: Start isEmpty. Operand 12296 states and 21424 transitions. [2023-12-16 05:37:41,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-16 05:37:41,014 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:37:41,014 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:37:41,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-16 05:37:41,015 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:37:41,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:37:41,015 INFO L85 PathProgramCache]: Analyzing trace with hash -613627278, now seen corresponding path program 1 times [2023-12-16 05:37:41,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:37:41,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548196787] [2023-12-16 05:37:41,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:41,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:37:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:41,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:37:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:41,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:37:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:41,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:37:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:41,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:37:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:41,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:37:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:41,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:37:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:41,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:37:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:41,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-16 05:37:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:41,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 05:37:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:41,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-16 05:37:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:41,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-16 05:37:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:41,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-16 05:37:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:41,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-16 05:37:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:41,096 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:37:41,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:37:41,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548196787] [2023-12-16 05:37:41,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548196787] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:37:41,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:37:41,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:37:41,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782463222] [2023-12-16 05:37:41,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:37:41,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:37:41,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:37:41,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:37:41,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:37:41,097 INFO L87 Difference]: Start difference. First operand 12296 states and 21424 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:42,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:37:42,873 INFO L93 Difference]: Finished difference Result 29615 states and 52196 transitions. [2023-12-16 05:37:42,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:37:42,873 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 120 [2023-12-16 05:37:42,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:37:42,937 INFO L225 Difference]: With dead ends: 29615 [2023-12-16 05:37:42,937 INFO L226 Difference]: Without dead ends: 19442 [2023-12-16 05:37:42,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:37:42,963 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 1416 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 1763 mSolverCounterSat, 497 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1435 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 2260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 497 IncrementalHoareTripleChecker+Valid, 1763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-16 05:37:42,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1435 Valid, 895 Invalid, 2260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [497 Valid, 1763 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-16 05:37:42,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19442 states. [2023-12-16 05:37:43,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19442 to 19256. [2023-12-16 05:37:43,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19256 states, 15952 states have (on average 1.6534603811434303) internal successors, (26376), 15958 states have internal predecessors, (26376), 3276 states have call successors, (3276), 23 states have call predecessors, (3276), 27 states have return successors, (3615), 3274 states have call predecessors, (3615), 3275 states have call successors, (3615) [2023-12-16 05:37:43,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19256 states to 19256 states and 33267 transitions. [2023-12-16 05:37:43,748 INFO L78 Accepts]: Start accepts. Automaton has 19256 states and 33267 transitions. Word has length 120 [2023-12-16 05:37:43,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:37:43,748 INFO L495 AbstractCegarLoop]: Abstraction has 19256 states and 33267 transitions. [2023-12-16 05:37:43,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:43,748 INFO L276 IsEmpty]: Start isEmpty. Operand 19256 states and 33267 transitions. [2023-12-16 05:37:43,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-16 05:37:43,769 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:37:43,769 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:37:43,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-16 05:37:43,769 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:37:43,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:37:43,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1200449278, now seen corresponding path program 1 times [2023-12-16 05:37:43,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:37:43,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410625669] [2023-12-16 05:37:43,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:43,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:37:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:43,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:37:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:43,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:37:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:43,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:37:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:43,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:37:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:43,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:37:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:43,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:37:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:43,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 05:37:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:43,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-16 05:37:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:43,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-16 05:37:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:43,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-16 05:37:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:43,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-16 05:37:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:43,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-16 05:37:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:43,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-16 05:37:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:43,974 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:37:43,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:37:43,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410625669] [2023-12-16 05:37:43,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410625669] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:37:43,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:37:43,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:37:43,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277367545] [2023-12-16 05:37:43,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:37:43,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:37:43,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:37:43,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:37:43,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:37:43,976 INFO L87 Difference]: Start difference. First operand 19256 states and 33267 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:45,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:37:45,989 INFO L93 Difference]: Finished difference Result 51056 states and 89729 transitions. [2023-12-16 05:37:45,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:37:45,990 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 121 [2023-12-16 05:37:45,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:37:46,096 INFO L225 Difference]: With dead ends: 51056 [2023-12-16 05:37:46,096 INFO L226 Difference]: Without dead ends: 34571 [2023-12-16 05:37:46,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:37:46,125 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1412 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1767 mSolverCounterSat, 505 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1430 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 2272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 505 IncrementalHoareTripleChecker+Valid, 1767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-16 05:37:46,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1430 Valid, 910 Invalid, 2272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [505 Valid, 1767 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-16 05:37:46,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34571 states. [2023-12-16 05:37:47,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34571 to 34385. [2023-12-16 05:37:47,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34385 states, 28631 states have (on average 1.6506933044602006) internal successors, (47261), 28637 states have internal predecessors, (47261), 5726 states have call successors, (5726), 23 states have call predecessors, (5726), 27 states have return successors, (6339), 5724 states have call predecessors, (6339), 5725 states have call successors, (6339) [2023-12-16 05:37:47,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34385 states to 34385 states and 59326 transitions. [2023-12-16 05:37:47,476 INFO L78 Accepts]: Start accepts. Automaton has 34385 states and 59326 transitions. Word has length 121 [2023-12-16 05:37:47,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:37:47,477 INFO L495 AbstractCegarLoop]: Abstraction has 34385 states and 59326 transitions. [2023-12-16 05:37:47,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:47,477 INFO L276 IsEmpty]: Start isEmpty. Operand 34385 states and 59326 transitions. [2023-12-16 05:37:47,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-16 05:37:47,497 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:37:47,497 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:37:47,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-16 05:37:47,497 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:37:47,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:37:47,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1193153000, now seen corresponding path program 1 times [2023-12-16 05:37:47,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:37:47,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64801472] [2023-12-16 05:37:47,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:47,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:37:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:47,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:37:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:47,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:37:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:47,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:37:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:47,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:37:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:47,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:37:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:47,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:37:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:47,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-16 05:37:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:47,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 05:37:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:47,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-16 05:37:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:47,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 05:37:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:47,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:37:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:47,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-16 05:37:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:47,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-16 05:37:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:47,578 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:37:47,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:37:47,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64801472] [2023-12-16 05:37:47,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64801472] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:37:47,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:37:47,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:37:47,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758601299] [2023-12-16 05:37:47,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:37:47,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:37:47,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:37:47,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:37:47,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:37:47,580 INFO L87 Difference]: Start difference. First operand 34385 states and 59326 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:50,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:37:50,335 INFO L93 Difference]: Finished difference Result 93938 states and 164323 transitions. [2023-12-16 05:37:50,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:37:50,336 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 122 [2023-12-16 05:37:50,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:37:50,520 INFO L225 Difference]: With dead ends: 93938 [2023-12-16 05:37:50,521 INFO L226 Difference]: Without dead ends: 63247 [2023-12-16 05:37:50,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:37:50,586 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 1412 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 1764 mSolverCounterSat, 500 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1431 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 2264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 500 IncrementalHoareTripleChecker+Valid, 1764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-16 05:37:50,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1431 Valid, 915 Invalid, 2264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [500 Valid, 1764 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-16 05:37:50,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63247 states. [2023-12-16 05:37:52,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63247 to 63061. [2023-12-16 05:37:52,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63061 states, 52794 states have (on average 1.6470242830624693) internal successors, (86953), 52800 states have internal predecessors, (86953), 10239 states have call successors, (10239), 23 states have call predecessors, (10239), 27 states have return successors, (11384), 10237 states have call predecessors, (11384), 10238 states have call successors, (11384) [2023-12-16 05:37:52,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63061 states to 63061 states and 108576 transitions. [2023-12-16 05:37:52,975 INFO L78 Accepts]: Start accepts. Automaton has 63061 states and 108576 transitions. Word has length 122 [2023-12-16 05:37:52,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:37:52,975 INFO L495 AbstractCegarLoop]: Abstraction has 63061 states and 108576 transitions. [2023-12-16 05:37:52,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:52,976 INFO L276 IsEmpty]: Start isEmpty. Operand 63061 states and 108576 transitions. [2023-12-16 05:37:53,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-16 05:37:53,015 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:37:53,015 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:37:53,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-16 05:37:53,016 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:37:53,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:37:53,016 INFO L85 PathProgramCache]: Analyzing trace with hash -793476766, now seen corresponding path program 1 times [2023-12-16 05:37:53,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:37:53,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552549522] [2023-12-16 05:37:53,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:37:53,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:37:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:53,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:37:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:53,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:37:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:53,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:37:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:53,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:37:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:53,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:37:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:53,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:37:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:53,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:37:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:53,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-16 05:37:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:53,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-16 05:37:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:53,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-16 05:37:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:53,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-16 05:37:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:53,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-16 05:37:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:53,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-16 05:37:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:37:53,081 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:37:53,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:37:53,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552549522] [2023-12-16 05:37:53,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552549522] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:37:53,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:37:53,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:37:53,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078780258] [2023-12-16 05:37:53,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:37:53,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:37:53,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:37:53,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:37:53,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:37:53,082 INFO L87 Difference]: Start difference. First operand 63061 states and 108576 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:37:56,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:37:56,566 INFO L93 Difference]: Finished difference Result 118318 states and 207475 transitions. [2023-12-16 05:37:56,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:37:56,567 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 123 [2023-12-16 05:37:56,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:37:57,075 INFO L225 Difference]: With dead ends: 118318 [2023-12-16 05:37:57,075 INFO L226 Difference]: Without dead ends: 118133 [2023-12-16 05:37:57,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:37:57,124 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1407 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1766 mSolverCounterSat, 504 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1425 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 2270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 504 IncrementalHoareTripleChecker+Valid, 1766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 05:37:57,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1425 Valid, 910 Invalid, 2270 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [504 Valid, 1766 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 05:37:57,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118133 states. [2023-12-16 05:38:00,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118133 to 117947. [2023-12-16 05:38:00,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117947 states, 99312 states have (on average 1.6423292250684711) internal successors, (163103), 99318 states have internal predecessors, (163103), 18607 states have call successors, (18607), 23 states have call predecessors, (18607), 27 states have return successors, (20798), 18605 states have call predecessors, (20798), 18606 states have call successors, (20798) [2023-12-16 05:38:01,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117947 states to 117947 states and 202508 transitions. [2023-12-16 05:38:01,367 INFO L78 Accepts]: Start accepts. Automaton has 117947 states and 202508 transitions. Word has length 123 [2023-12-16 05:38:01,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:38:01,369 INFO L495 AbstractCegarLoop]: Abstraction has 117947 states and 202508 transitions. [2023-12-16 05:38:01,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:38:01,369 INFO L276 IsEmpty]: Start isEmpty. Operand 117947 states and 202508 transitions. [2023-12-16 05:38:01,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-16 05:38:01,412 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:38:01,412 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:38:01,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-16 05:38:01,412 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:38:01,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:38:01,413 INFO L85 PathProgramCache]: Analyzing trace with hash -725374343, now seen corresponding path program 1 times [2023-12-16 05:38:01,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:38:01,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402787234] [2023-12-16 05:38:01,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:38:01,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:38:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:38:01,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:38:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:38:01,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:38:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:38:01,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:38:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:38:01,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:38:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:38:01,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:38:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:38:01,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:38:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:38:01,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:38:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:38:01,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-16 05:38:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:38:01,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:38:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:38:01,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 05:38:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:38:01,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-16 05:38:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:38:01,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-16 05:38:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:38:01,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-16 05:38:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:38:01,923 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-16 05:38:01,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:38:01,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402787234] [2023-12-16 05:38:01,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402787234] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:38:01,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:38:01,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-16 05:38:01,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577688034] [2023-12-16 05:38:01,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:38:01,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-16 05:38:01,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:38:01,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-16 05:38:01,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:38:01,924 INFO L87 Difference]: Start difference. First operand 117947 states and 202508 transitions. Second operand has 10 states, 10 states have (on average 7.9) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 05:38:06,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:38:06,942 INFO L93 Difference]: Finished difference Result 118664 states and 206963 transitions. [2023-12-16 05:38:06,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-16 05:38:06,943 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 124 [2023-12-16 05:38:06,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:38:07,465 INFO L225 Difference]: With dead ends: 118664 [2023-12-16 05:38:07,465 INFO L226 Difference]: Without dead ends: 118486 [2023-12-16 05:38:07,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=207, Invalid=549, Unknown=0, NotChecked=0, Total=756 [2023-12-16 05:38:07,495 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 2280 mSDsluCounter, 1027 mSDsCounter, 0 mSdLazyCounter, 4780 mSolverCounterSat, 720 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2297 SdHoareTripleChecker+Valid, 1230 SdHoareTripleChecker+Invalid, 5500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 720 IncrementalHoareTripleChecker+Valid, 4780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-16 05:38:07,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2297 Valid, 1230 Invalid, 5500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [720 Valid, 4780 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-16 05:38:07,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118486 states. Received shutdown request... [2023-12-16 05:38:10,583 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 [2023-12-16 05:38:10,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118486 to 118127. [2023-12-16 05:38:10,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118127 states, 99448 states have (on average 1.6421546939103853) internal successors, (163309), 99455 states have internal predecessors, (163309), 18636 states have call successors, (18636), 36 states have call predecessors, (18636), 42 states have return successors, (20831), 18635 states have call predecessors, (20831), 18634 states have call successors, (20831) [2023-12-16 05:38:10,780 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 05:38:10,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-16 05:38:10,781 WARN L619 AbstractCegarLoop]: Verification canceled: while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). [2023-12-16 05:38:10,784 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:38:10,785 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 05:38:10,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:38:10 BoogieIcfgContainer [2023-12-16 05:38:10,787 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 05:38:10,787 INFO L158 Benchmark]: Toolchain (without parser) took 62727.76ms. Allocated memory was 334.5MB in the beginning and 6.3GB in the end (delta: 5.9GB). Free memory was 279.0MB in the beginning and 4.1GB in the end (delta: -3.8GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2023-12-16 05:38:10,787 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 217.1MB. Free memory is still 167.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 05:38:10,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 623.89ms. Allocated memory is still 334.5MB. Free memory was 278.7MB in the beginning and 236.6MB in the end (delta: 42.1MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2023-12-16 05:38:10,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.18ms. Allocated memory is still 334.5MB. Free memory was 236.3MB in the beginning and 296.4MB in the end (delta: -60.1MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-16 05:38:10,787 INFO L158 Benchmark]: Boogie Preprocessor took 111.23ms. Allocated memory is still 334.5MB. Free memory was 295.8MB in the beginning and 288.5MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-16 05:38:10,788 INFO L158 Benchmark]: RCFGBuilder took 1379.54ms. Allocated memory is still 334.5MB. Free memory was 288.5MB in the beginning and 208.3MB in the end (delta: 80.2MB). Peak memory consumption was 80.7MB. Max. memory is 8.0GB. [2023-12-16 05:38:10,788 INFO L158 Benchmark]: TraceAbstraction took 60484.91ms. Allocated memory was 334.5MB in the beginning and 6.3GB in the end (delta: 5.9GB). Free memory was 207.7MB in the beginning and 4.1GB in the end (delta: -3.9GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2023-12-16 05:38:10,789 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 217.1MB. Free memory is still 167.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 623.89ms. Allocated memory is still 334.5MB. Free memory was 278.7MB in the beginning and 236.6MB in the end (delta: 42.1MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 123.18ms. Allocated memory is still 334.5MB. Free memory was 236.3MB in the beginning and 296.4MB in the end (delta: -60.1MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 111.23ms. Allocated memory is still 334.5MB. Free memory was 295.8MB in the beginning and 288.5MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1379.54ms. Allocated memory is still 334.5MB. Free memory was 288.5MB in the beginning and 208.3MB in the end (delta: 80.2MB). Peak memory consumption was 80.7MB. Max. memory is 8.0GB. * TraceAbstraction took 60484.91ms. Allocated memory was 334.5MB in the beginning and 6.3GB in the end (delta: 5.9GB). Free memory was 207.7MB in the beginning and 4.1GB in the end (delta: -3.9GB). Peak memory consumption was 2.1GB. 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,"wsllib_check.i","") [48] - GenericResultAtLocation [Line: 57]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [57] - GenericResultAtLocation [Line: 75]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [75] - GenericResultAtLocation [Line: 308]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [308] - GenericResultAtLocation [Line: 357]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [357] - GenericResultAtLocation [Line: 1437]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1437] - GenericResultAtLocation [Line: 1849]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1849] - GenericResultAtLocation [Line: 1948]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1948] - GenericResultAtLocation [Line: 2314]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2314] - GenericResultAtLocation [Line: 2619]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2619] - GenericResultAtLocation [Line: 2985]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [2985] * 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: 53]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 53). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 376 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 60.4s, OverallIterations: 21, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.3s, AutomataDifference: 39.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24700 SdHoareTripleChecker+Valid, 26.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24453 mSDsluCounter, 25494 SdHoareTripleChecker+Invalid, 22.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19511 mSDsCounter, 8331 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44661 IncrementalHoareTripleChecker+Invalid, 52992 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8331 mSolverCounterUnsat, 5983 mSDtfsCounter, 44661 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1562 GetRequests, 1274 SyntacticMatches, 0 SemanticMatches, 288 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 655 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117947occurred in iteration=20, InterpolantAutomatonStates: 201, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 13.9s AutomataMinimizationTime, 21 MinimizatonAttempts, 2785 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 2965 NumberOfCodeBlocks, 2965 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 3047 ConstructedInterpolants, 0 QuantifiedInterpolants, 5209 SizeOfPredicates, 8 NumberOfNonLiveVariables, 6033 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 928/954 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