/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_spec27_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 05:34:20,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 05:34:20,279 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 05:34:20,284 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 05:34:20,285 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 05:34:20,306 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 05:34:20,307 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 05:34:20,307 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 05:34:20,307 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 05:34:20,310 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 05:34:20,311 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 05:34:20,311 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 05:34:20,311 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 05:34:20,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 05:34:20,313 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 05:34:20,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 05:34:20,313 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 05:34:20,313 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 05:34:20,313 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 05:34:20,314 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 05:34:20,314 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 05:34:20,315 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 05:34:20,315 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 05:34:20,315 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 05:34:20,315 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 05:34:20,315 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 05:34:20,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 05:34:20,316 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 05:34:20,316 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 05:34:20,316 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 05:34:20,317 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 05:34:20,317 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 05:34:20,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:34:20,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 05:34:20,317 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 05:34:20,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 05:34:20,318 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 05:34:20,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 05:34:20,318 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 05:34:20,318 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 05:34:20,318 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 05:34:20,318 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 05:34:20,318 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 05:34:20,318 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 05:34:20,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 05:34:20,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 05:34:20,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 05:34:20,540 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 05:34:20,540 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 05:34:20,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product23.cil.c [2023-12-16 05:34:21,888 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 05:34:22,182 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 05:34:22,183 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product23.cil.c [2023-12-16 05:34:22,216 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a9b88e22/e7b3659486104904aaab6856bdfb0f4d/FLAG4a965372e [2023-12-16 05:34:22,227 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a9b88e22/e7b3659486104904aaab6856bdfb0f4d [2023-12-16 05:34:22,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 05:34:22,230 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 05:34:22,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 05:34:22,231 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 05:34:22,234 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 05:34:22,235 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:34:22" (1/1) ... [2023-12-16 05:34:22,236 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d23fe6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:22, skipping insertion in model container [2023-12-16 05:34:22,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:34:22" (1/1) ... [2023-12-16 05:34:22,302 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 05:34:22,719 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_spec27_product23.cil.c[46731,46744] [2023-12-16 05:34:22,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:34:22,802 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 05:34:22,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2023-12-16 05:34:22,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [380] [2023-12-16 05:34:22,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [415] [2023-12-16 05:34:22,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1483] [2023-12-16 05:34:22,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1823] [2023-12-16 05:34:22,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1858] [2023-12-16 05:34:22,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1875] [2023-12-16 05:34:22,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2277] [2023-12-16 05:34:22,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2286] [2023-12-16 05:34:22,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2652] [2023-12-16 05:34:22,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2749] [2023-12-16 05:34:22,875 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_spec27_product23.cil.c[46731,46744] [2023-12-16 05:34:22,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 05:34:22,927 INFO L206 MainTranslator]: Completed translation [2023-12-16 05:34:22,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:22 WrapperNode [2023-12-16 05:34:22,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 05:34:22,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 05:34:22,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 05:34:22,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 05:34:22,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:22" (1/1) ... [2023-12-16 05:34:22,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:22" (1/1) ... [2023-12-16 05:34:23,023 INFO L138 Inliner]: procedures = 130, calls = 201, calls flagged for inlining = 58, calls inlined = 52, statements flattened = 937 [2023-12-16 05:34:23,024 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 05:34:23,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 05:34:23,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 05:34:23,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 05:34:23,037 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:22" (1/1) ... [2023-12-16 05:34:23,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:22" (1/1) ... [2023-12-16 05:34:23,049 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:22" (1/1) ... [2023-12-16 05:34:23,084 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 05:34:23,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:22" (1/1) ... [2023-12-16 05:34:23,084 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:22" (1/1) ... [2023-12-16 05:34:23,111 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:22" (1/1) ... [2023-12-16 05:34:23,129 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:22" (1/1) ... [2023-12-16 05:34:23,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:22" (1/1) ... [2023-12-16 05:34:23,135 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:22" (1/1) ... [2023-12-16 05:34:23,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 05:34:23,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 05:34:23,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 05:34:23,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 05:34:23,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:22" (1/1) ... [2023-12-16 05:34:23,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 05:34:23,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:34:23,220 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 05:34:23,240 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 05:34:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-16 05:34:23,250 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-16 05:34:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-16 05:34:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-16 05:34:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-16 05:34:23,259 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-16 05:34:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-12-16 05:34:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-12-16 05:34:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-16 05:34:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-16 05:34:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-16 05:34:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-16 05:34:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-12-16 05:34:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-12-16 05:34:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-12-16 05:34:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-12-16 05:34:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-12-16 05:34:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-12-16 05:34:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-16 05:34:23,261 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-16 05:34:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-16 05:34:23,261 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-16 05:34:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 05:34:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-12-16 05:34:23,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-12-16 05:34:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-16 05:34:23,261 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-16 05:34:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-12-16 05:34:23,261 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-12-16 05:34:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-12-16 05:34:23,261 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-12-16 05:34:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-16 05:34:23,261 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-16 05:34:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-12-16 05:34:23,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-12-16 05:34:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-12-16 05:34:23,262 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-12-16 05:34:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-16 05:34:23,262 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-16 05:34:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-12-16 05:34:23,262 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-12-16 05:34:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-16 05:34:23,262 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-16 05:34:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 05:34:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-16 05:34:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-16 05:34:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-16 05:34:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-12-16 05:34:23,262 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-12-16 05:34:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-16 05:34:23,263 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-16 05:34:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 05:34:23,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 05:34:23,559 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 05:34:23,563 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 05:34:24,366 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 05:34:24,416 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 05:34:24,416 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 05:34:24,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:34:24 BoogieIcfgContainer [2023-12-16 05:34:24,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 05:34:24,419 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 05:34:24,419 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 05:34:24,422 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 05:34:24,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:34:22" (1/3) ... [2023-12-16 05:34:24,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de7e658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:34:24, skipping insertion in model container [2023-12-16 05:34:24,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:34:22" (2/3) ... [2023-12-16 05:34:24,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de7e658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:34:24, skipping insertion in model container [2023-12-16 05:34:24,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:34:24" (3/3) ... [2023-12-16 05:34:24,424 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product23.cil.c [2023-12-16 05:34:24,437 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 05:34:24,437 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 05:34:24,490 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 05:34:24,495 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;@70afa153, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 05:34:24,496 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 05:34:24,501 INFO L276 IsEmpty]: Start isEmpty. Operand has 350 states, 272 states have (on average 1.6286764705882353) internal successors, (443), 275 states have internal predecessors, (443), 53 states have call successors, (53), 23 states have call predecessors, (53), 23 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2023-12-16 05:34:24,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-16 05:34:24,522 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:24,523 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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 05:34:24,524 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:24,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:24,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1820197750, now seen corresponding path program 1 times [2023-12-16 05:34:24,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:24,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794397675] [2023-12-16 05:34:24,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:24,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:24,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:24,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:24,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:24,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:34:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:24,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:34:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:24,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:34:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:25,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-16 05:34:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:25,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-16 05:34:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:25,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-16 05:34:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:25,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:34:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:25,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-16 05:34:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:25,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-16 05:34:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:25,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-16 05:34:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:25,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 05:34:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:25,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:34:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:25,047 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-16 05:34:25,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:25,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794397675] [2023-12-16 05:34:25,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794397675] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:34:25,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492268121] [2023-12-16 05:34:25,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:25,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:34:25,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:34:25,053 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 05:34:25,066 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 05:34:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:25,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 1084 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 05:34:25,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:34:25,375 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-16 05:34:25,375 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:34:25,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [492268121] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:25,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:34:25,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2023-12-16 05:34:25,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103405175] [2023-12-16 05:34:25,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:25,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 05:34:25,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:25,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 05:34:25,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:34:25,416 INFO L87 Difference]: Start difference. First operand has 350 states, 272 states have (on average 1.6286764705882353) internal successors, (443), 275 states have internal predecessors, (443), 53 states have call successors, (53), 23 states have call predecessors, (53), 23 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 05:34:25,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:25,485 INFO L93 Difference]: Finished difference Result 516 states and 797 transitions. [2023-12-16 05:34:25,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 05:34:25,488 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 110 [2023-12-16 05:34:25,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:25,497 INFO L225 Difference]: With dead ends: 516 [2023-12-16 05:34:25,497 INFO L226 Difference]: Without dead ends: 347 [2023-12-16 05:34:25,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:34:25,503 INFO L413 NwaCegarLoop]: 530 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:25,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 530 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:34:25,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2023-12-16 05:34:25,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2023-12-16 05:34:25,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 270 states have (on average 1.614814814814815) internal successors, (436), 272 states have internal predecessors, (436), 53 states have call successors, (53), 23 states have call predecessors, (53), 23 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-16 05:34:25,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 541 transitions. [2023-12-16 05:34:25,566 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 541 transitions. Word has length 110 [2023-12-16 05:34:25,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:25,567 INFO L495 AbstractCegarLoop]: Abstraction has 347 states and 541 transitions. [2023-12-16 05:34:25,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 05:34:25,567 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 541 transitions. [2023-12-16 05:34:25,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-16 05:34:25,571 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:25,571 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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 05:34:25,584 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 05:34:25,772 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 05:34:25,772 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:25,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:25,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1359593733, now seen corresponding path program 1 times [2023-12-16 05:34:25,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:25,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8595927] [2023-12-16 05:34:25,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:25,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:25,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:25,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:25,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:25,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:34:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:25,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:34:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:25,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:34:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:25,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-16 05:34:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:25,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-16 05:34:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:25,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-16 05:34:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:26,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:34:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:26,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-16 05:34:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:26,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-16 05:34:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:26,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-16 05:34:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:26,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-16 05:34:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:26,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-16 05:34:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:26,018 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-16 05:34:26,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:26,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8595927] [2023-12-16 05:34:26,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8595927] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:34:26,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424271094] [2023-12-16 05:34:26,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:26,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:34:26,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:34:26,020 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 05:34:26,038 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 05:34:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:26,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 1085 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 05:34:26,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:34:26,314 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-16 05:34:26,314 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:34:26,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424271094] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:26,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:34:26,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-16 05:34:26,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050282286] [2023-12-16 05:34:26,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:26,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:34:26,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:26,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:34:26,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:34:26,316 INFO L87 Difference]: Start difference. First operand 347 states and 541 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 05:34:26,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:26,372 INFO L93 Difference]: Finished difference Result 512 states and 781 transitions. [2023-12-16 05:34:26,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:34:26,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 111 [2023-12-16 05:34:26,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:26,379 INFO L225 Difference]: With dead ends: 512 [2023-12-16 05:34:26,379 INFO L226 Difference]: Without dead ends: 349 [2023-12-16 05:34:26,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 136 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 05:34:26,386 INFO L413 NwaCegarLoop]: 527 mSDtfsCounter, 0 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1053 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:26,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1053 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:34:26,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2023-12-16 05:34:26,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2023-12-16 05:34:26,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 272 states have (on average 1.6102941176470589) internal successors, (438), 274 states have internal predecessors, (438), 53 states have call successors, (53), 23 states have call predecessors, (53), 23 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-16 05:34:26,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 543 transitions. [2023-12-16 05:34:26,418 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 543 transitions. Word has length 111 [2023-12-16 05:34:26,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:26,419 INFO L495 AbstractCegarLoop]: Abstraction has 349 states and 543 transitions. [2023-12-16 05:34:26,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 05:34:26,421 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 543 transitions. [2023-12-16 05:34:26,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-16 05:34:26,425 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:26,425 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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 05:34:26,432 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-16 05:34:26,632 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 05:34:26,632 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:26,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:26,633 INFO L85 PathProgramCache]: Analyzing trace with hash -480643060, now seen corresponding path program 1 times [2023-12-16 05:34:26,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:26,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232155228] [2023-12-16 05:34:26,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:26,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:26,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:26,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:26,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:26,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:34:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:26,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:34:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:26,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:34:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:26,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-16 05:34:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:26,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:34:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:26,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:34:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:26,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-16 05:34:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:26,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:34:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:26,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 05:34:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:26,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-16 05:34:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:26,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-16 05:34:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:26,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-16 05:34:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:26,821 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-16 05:34:26,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:26,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232155228] [2023-12-16 05:34:26,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232155228] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:34:26,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986373367] [2023-12-16 05:34:26,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:26,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:34:26,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:34:26,823 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 05:34:26,825 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 05:34:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:27,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 1109 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 05:34:27,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:34:27,160 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-16 05:34:27,160 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:34:27,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986373367] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:27,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:34:27,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-16 05:34:27,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694959138] [2023-12-16 05:34:27,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:27,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 05:34:27,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:27,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 05:34:27,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:34:27,162 INFO L87 Difference]: Start difference. First operand 349 states and 543 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 05:34:27,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:27,239 INFO L93 Difference]: Finished difference Result 746 states and 1178 transitions. [2023-12-16 05:34:27,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 05:34:27,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 118 [2023-12-16 05:34:27,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:27,251 INFO L225 Difference]: With dead ends: 746 [2023-12-16 05:34:27,251 INFO L226 Difference]: Without dead ends: 419 [2023-12-16 05:34:27,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 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 05:34:27,253 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 129 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:27,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 1021 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 05:34:27,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2023-12-16 05:34:27,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 414. [2023-12-16 05:34:27,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 323 states have (on average 1.6253869969040247) internal successors, (525), 325 states have internal predecessors, (525), 67 states have call successors, (67), 23 states have call predecessors, (67), 23 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-16 05:34:27,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 658 transitions. [2023-12-16 05:34:27,282 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 658 transitions. Word has length 118 [2023-12-16 05:34:27,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:27,282 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 658 transitions. [2023-12-16 05:34:27,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 05:34:27,282 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 658 transitions. [2023-12-16 05:34:27,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-16 05:34:27,284 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:27,285 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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 05:34:27,314 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 05:34:27,516 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 05:34:27,516 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:27,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:27,517 INFO L85 PathProgramCache]: Analyzing trace with hash 852705671, now seen corresponding path program 1 times [2023-12-16 05:34:27,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:27,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887283302] [2023-12-16 05:34:27,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:27,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:27,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:27,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:27,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:27,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 05:34:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:27,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 05:34:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:27,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 05:34:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:27,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-16 05:34:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:27,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 05:34:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:27,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 05:34:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:27,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-16 05:34:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:27,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-16 05:34:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:27,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-16 05:34:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:27,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:34:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:27,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-16 05:34:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:27,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-16 05:34:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:27,822 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-16 05:34:27,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:27,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887283302] [2023-12-16 05:34:27,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887283302] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:34:27,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652905338] [2023-12-16 05:34:27,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:27,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:34:27,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:34:27,824 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 05:34:27,848 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 05:34:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:28,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 05:34:28,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:34:28,197 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-16 05:34:28,197 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:34:28,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652905338] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:28,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:34:28,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-12-16 05:34:28,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275328641] [2023-12-16 05:34:28,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:28,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 05:34:28,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:28,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 05:34:28,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:34:28,199 INFO L87 Difference]: Start difference. First operand 414 states and 658 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-16 05:34:28,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:28,494 INFO L93 Difference]: Finished difference Result 823 states and 1310 transitions. [2023-12-16 05:34:28,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 05:34:28,494 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 119 [2023-12-16 05:34:28,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:28,497 INFO L225 Difference]: With dead ends: 823 [2023-12-16 05:34:28,497 INFO L226 Difference]: Without dead ends: 416 [2023-12-16 05:34:28,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:34:28,501 INFO L413 NwaCegarLoop]: 518 mSDtfsCounter, 8 mSDsluCounter, 1543 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2061 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:28,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2061 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 05:34:28,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2023-12-16 05:34:28,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2023-12-16 05:34:28,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 324 states have (on average 1.623456790123457) internal successors, (526), 327 states have internal predecessors, (526), 67 states have call successors, (67), 23 states have call predecessors, (67), 24 states have return successors, (68), 65 states have call predecessors, (68), 66 states have call successors, (68) [2023-12-16 05:34:28,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 661 transitions. [2023-12-16 05:34:28,525 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 661 transitions. Word has length 119 [2023-12-16 05:34:28,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:28,526 INFO L495 AbstractCegarLoop]: Abstraction has 416 states and 661 transitions. [2023-12-16 05:34:28,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-16 05:34:28,526 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 661 transitions. [2023-12-16 05:34:28,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-16 05:34:28,528 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:28,529 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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 05:34:28,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-16 05:34:28,736 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 05:34:28,736 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:28,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:28,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1383484992, now seen corresponding path program 1 times [2023-12-16 05:34:28,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:28,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221905404] [2023-12-16 05:34:28,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:28,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:28,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:28,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:28,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:28,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:34:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:28,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-12-16 05:34:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:28,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-12-16 05:34:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:28,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-16 05:34:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:28,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-16 05:34:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:28,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-16 05:34:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:28,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 05:34:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:28,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 05:34:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:28,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 05:34:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:28,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-16 05:34:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:28,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-16 05:34:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:28,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-16 05:34:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:28,928 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-16 05:34:28,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:28,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221905404] [2023-12-16 05:34:28,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221905404] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:34:28,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098134552] [2023-12-16 05:34:28,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:28,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:34:28,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:34:28,930 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 05:34:28,956 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 05:34:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:29,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 1115 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 05:34:29,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:34:29,211 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-16 05:34:29,211 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 05:34:29,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098134552] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:29,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 05:34:29,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-12-16 05:34:29,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464316402] [2023-12-16 05:34:29,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:29,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 05:34:29,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:29,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 05:34:29,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-12-16 05:34:29,213 INFO L87 Difference]: Start difference. First operand 416 states and 661 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-16 05:34:29,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:29,282 INFO L93 Difference]: Finished difference Result 825 states and 1315 transitions. [2023-12-16 05:34:29,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 05:34:29,282 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 120 [2023-12-16 05:34:29,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:29,284 INFO L225 Difference]: With dead ends: 825 [2023-12-16 05:34:29,284 INFO L226 Difference]: Without dead ends: 418 [2023-12-16 05:34:29,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-12-16 05:34:29,285 INFO L413 NwaCegarLoop]: 516 mSDtfsCounter, 8 mSDsluCounter, 1531 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2047 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:29,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2047 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 05:34:29,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2023-12-16 05:34:29,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 418. [2023-12-16 05:34:29,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 325 states have (on average 1.6215384615384616) internal successors, (527), 329 states have internal predecessors, (527), 67 states have call successors, (67), 23 states have call predecessors, (67), 25 states have return successors, (73), 65 states have call predecessors, (73), 66 states have call successors, (73) [2023-12-16 05:34:29,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 667 transitions. [2023-12-16 05:34:29,296 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 667 transitions. Word has length 120 [2023-12-16 05:34:29,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:29,296 INFO L495 AbstractCegarLoop]: Abstraction has 418 states and 667 transitions. [2023-12-16 05:34:29,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-16 05:34:29,296 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 667 transitions. [2023-12-16 05:34:29,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-16 05:34:29,298 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:29,298 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:34:29,309 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 05:34:29,504 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 05:34:29,504 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:29,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:29,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1906429886, now seen corresponding path program 1 times [2023-12-16 05:34:29,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:29,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318101650] [2023-12-16 05:34:29,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:29,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:29,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:29,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:29,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:29,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:34:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:29,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:34:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:29,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-16 05:34:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:29,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-16 05:34:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:29,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-16 05:34:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:29,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:34:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:29,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-16 05:34:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:29,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-16 05:34:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:29,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-16 05:34:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:29,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-16 05:34:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:29,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-16 05:34:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:29,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-16 05:34:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:29,762 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-16 05:34:29,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:29,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318101650] [2023-12-16 05:34:29,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318101650] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:29,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:34:29,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 05:34:29,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210026719] [2023-12-16 05:34:29,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:29,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 05:34:29,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:29,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 05:34:29,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:34:29,763 INFO L87 Difference]: Start difference. First operand 418 states and 667 transitions. Second operand has 9 states, 8 states have (on average 9.625) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-16 05:34:31,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:31,683 INFO L93 Difference]: Finished difference Result 911 states and 1484 transitions. [2023-12-16 05:34:31,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 05:34:31,683 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.625) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 121 [2023-12-16 05:34:31,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:31,686 INFO L225 Difference]: With dead ends: 911 [2023-12-16 05:34:31,686 INFO L226 Difference]: Without dead ends: 512 [2023-12-16 05:34:31,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-16 05:34:31,688 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 1191 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2319 mSolverCounterSat, 366 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1192 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 2685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 366 IncrementalHoareTripleChecker+Valid, 2319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:31,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1192 Valid, 1193 Invalid, 2685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [366 Valid, 2319 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-16 05:34:31,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2023-12-16 05:34:31,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 418. [2023-12-16 05:34:31,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 325 states have (on average 1.6215384615384616) internal successors, (527), 329 states have internal predecessors, (527), 67 states have call successors, (67), 23 states have call predecessors, (67), 25 states have return successors, (72), 65 states have call predecessors, (72), 66 states have call successors, (72) [2023-12-16 05:34:31,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 666 transitions. [2023-12-16 05:34:31,749 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 666 transitions. Word has length 121 [2023-12-16 05:34:31,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:31,750 INFO L495 AbstractCegarLoop]: Abstraction has 418 states and 666 transitions. [2023-12-16 05:34:31,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.625) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-16 05:34:31,750 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 666 transitions. [2023-12-16 05:34:31,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-16 05:34:31,752 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:31,752 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:34:31,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 05:34:31,753 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:31,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:31,753 INFO L85 PathProgramCache]: Analyzing trace with hash -733604674, now seen corresponding path program 1 times [2023-12-16 05:34:31,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:31,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192634260] [2023-12-16 05:34:31,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:31,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:31,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:31,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:31,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:31,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:34:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:31,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:34:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:31,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-16 05:34:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:31,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-16 05:34:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:31,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-16 05:34:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:31,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:34:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:31,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-16 05:34:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:31,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:34:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:31,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-16 05:34:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:31,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-12-16 05:34:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:31,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-16 05:34:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:31,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-16 05:34:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:31,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-16 05:34:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:31,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-12-16 05:34:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:31,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-16 05:34:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:31,987 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-16 05:34:31,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:31,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192634260] [2023-12-16 05:34:31,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192634260] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:31,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:34:31,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 05:34:31,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090557619] [2023-12-16 05:34:31,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:31,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 05:34:31,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:31,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 05:34:31,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-16 05:34:31,989 INFO L87 Difference]: Start difference. First operand 418 states and 666 transitions. Second operand has 9 states, 8 states have (on average 10.5) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-16 05:34:33,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:33,574 INFO L93 Difference]: Finished difference Result 913 states and 1487 transitions. [2023-12-16 05:34:33,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 05:34:33,575 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 140 [2023-12-16 05:34:33,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:33,578 INFO L225 Difference]: With dead ends: 913 [2023-12-16 05:34:33,578 INFO L226 Difference]: Without dead ends: 514 [2023-12-16 05:34:33,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 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 05:34:33,579 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 1185 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 2331 mSolverCounterSat, 361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1186 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 2692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 361 IncrementalHoareTripleChecker+Valid, 2331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:33,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1186 Valid, 1193 Invalid, 2692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [361 Valid, 2331 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-16 05:34:33,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2023-12-16 05:34:33,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 420. [2023-12-16 05:34:33,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 326 states have (on average 1.6196319018404908) internal successors, (528), 331 states have internal predecessors, (528), 67 states have call successors, (67), 23 states have call predecessors, (67), 26 states have return successors, (74), 65 states have call predecessors, (74), 66 states have call successors, (74) [2023-12-16 05:34:33,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 669 transitions. [2023-12-16 05:34:33,600 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 669 transitions. Word has length 140 [2023-12-16 05:34:33,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:33,601 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 669 transitions. [2023-12-16 05:34:33,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-16 05:34:33,601 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 669 transitions. [2023-12-16 05:34:33,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-16 05:34:33,603 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:33,603 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:34:33,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 05:34:33,604 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:33,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:33,604 INFO L85 PathProgramCache]: Analyzing trace with hash -2123918004, now seen corresponding path program 1 times [2023-12-16 05:34:33,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:33,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516188221] [2023-12-16 05:34:33,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:33,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:33,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:33,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:33,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:33,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:34:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:33,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:34:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:33,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:34:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:33,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-16 05:34:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:33,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-16 05:34:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:33,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-16 05:34:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:33,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-16 05:34:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:33,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-16 05:34:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:33,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 05:34:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:33,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:34:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:33,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-16 05:34:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:33,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-16 05:34:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:33,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-16 05:34:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:33,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-16 05:34:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:33,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-12-16 05:34:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:33,829 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-16 05:34:33,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:33,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516188221] [2023-12-16 05:34:33,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516188221] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:33,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:34:33,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 05:34:33,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372694993] [2023-12-16 05:34:33,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:33,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 05:34:33,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:33,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 05:34:33,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:34:33,831 INFO L87 Difference]: Start difference. First operand 420 states and 669 transitions. Second operand has 12 states, 11 states have (on average 8.0) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2023-12-16 05:34:36,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:36,908 INFO L93 Difference]: Finished difference Result 911 states and 1482 transitions. [2023-12-16 05:34:36,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 05:34:36,909 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 141 [2023-12-16 05:34:36,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:36,912 INFO L225 Difference]: With dead ends: 911 [2023-12-16 05:34:36,912 INFO L226 Difference]: Without dead ends: 514 [2023-12-16 05:34:36,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2023-12-16 05:34:36,915 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 1197 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 3866 mSolverCounterSat, 376 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1198 SdHoareTripleChecker+Valid, 1651 SdHoareTripleChecker+Invalid, 4242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 376 IncrementalHoareTripleChecker+Valid, 3866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:36,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1198 Valid, 1651 Invalid, 4242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [376 Valid, 3866 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-16 05:34:36,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2023-12-16 05:34:36,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 420. [2023-12-16 05:34:36,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 326 states have (on average 1.6196319018404908) internal successors, (528), 331 states have internal predecessors, (528), 67 states have call successors, (67), 23 states have call predecessors, (67), 26 states have return successors, (73), 65 states have call predecessors, (73), 66 states have call successors, (73) [2023-12-16 05:34:36,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 668 transitions. [2023-12-16 05:34:36,943 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 668 transitions. Word has length 141 [2023-12-16 05:34:36,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:36,943 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 668 transitions. [2023-12-16 05:34:36,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2023-12-16 05:34:36,944 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 668 transitions. [2023-12-16 05:34:36,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-16 05:34:36,945 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:36,945 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:34:36,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 05:34:36,946 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:36,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:36,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1822791820, now seen corresponding path program 2 times [2023-12-16 05:34:36,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:36,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162105068] [2023-12-16 05:34:36,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:36,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:37,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:37,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:37,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:37,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:34:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:37,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:34:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:37,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:34:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:37,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 05:34:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:37,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-16 05:34:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:37,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-16 05:34:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:37,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 05:34:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:37,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 05:34:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:37,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-16 05:34:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:37,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-16 05:34:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:37,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-16 05:34:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:37,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-16 05:34:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:37,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-16 05:34:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:37,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-16 05:34:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:37,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-16 05:34:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:37,166 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-16 05:34:37,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:37,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162105068] [2023-12-16 05:34:37,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162105068] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:37,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:34:37,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 05:34:37,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459975183] [2023-12-16 05:34:37,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:37,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 05:34:37,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:37,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 05:34:37,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-16 05:34:37,168 INFO L87 Difference]: Start difference. First operand 420 states and 668 transitions. Second operand has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2023-12-16 05:34:39,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:39,279 INFO L93 Difference]: Finished difference Result 913 states and 1488 transitions. [2023-12-16 05:34:39,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 05:34:39,279 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 142 [2023-12-16 05:34:39,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:39,282 INFO L225 Difference]: With dead ends: 913 [2023-12-16 05:34:39,282 INFO L226 Difference]: Without dead ends: 516 [2023-12-16 05:34:39,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 39 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 05:34:39,285 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 1191 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 3898 mSolverCounterSat, 365 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1192 SdHoareTripleChecker+Valid, 1652 SdHoareTripleChecker+Invalid, 4263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 365 IncrementalHoareTripleChecker+Valid, 3898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:39,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1192 Valid, 1652 Invalid, 4263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [365 Valid, 3898 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-16 05:34:39,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2023-12-16 05:34:39,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 422. [2023-12-16 05:34:39,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 327 states have (on average 1.617737003058104) internal successors, (529), 333 states have internal predecessors, (529), 67 states have call successors, (67), 23 states have call predecessors, (67), 27 states have return successors, (78), 65 states have call predecessors, (78), 66 states have call successors, (78) [2023-12-16 05:34:39,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 674 transitions. [2023-12-16 05:34:39,308 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 674 transitions. Word has length 142 [2023-12-16 05:34:39,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:39,308 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 674 transitions. [2023-12-16 05:34:39,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2023-12-16 05:34:39,309 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 674 transitions. [2023-12-16 05:34:39,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-16 05:34:39,311 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:39,311 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:34:39,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 05:34:39,311 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:39,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:39,311 INFO L85 PathProgramCache]: Analyzing trace with hash -179709464, now seen corresponding path program 1 times [2023-12-16 05:34:39,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:39,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470683710] [2023-12-16 05:34:39,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:39,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:39,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:39,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:39,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:39,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:34:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:39,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:34:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:39,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:34:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:39,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-16 05:34:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:39,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 05:34:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:39,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 05:34:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:39,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-16 05:34:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:39,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-16 05:34:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:39,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:34:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:39,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-16 05:34:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:39,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-16 05:34:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:39,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-16 05:34:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:39,477 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-12-16 05:34:39,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:39,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470683710] [2023-12-16 05:34:39,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470683710] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 05:34:39,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323534946] [2023-12-16 05:34:39,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:39,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 05:34:39,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 05:34:39,479 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 05:34:39,481 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 05:34:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:39,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 1120 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 05:34:39,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 05:34:39,789 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:34:39,789 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 05:34:39,845 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:34:39,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323534946] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 05:34:39,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-16 05:34:39,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2023-12-16 05:34:39,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50038444] [2023-12-16 05:34:39,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-16 05:34:39,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-16 05:34:39,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:39,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-16 05:34:39,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-12-16 05:34:39,847 INFO L87 Difference]: Start difference. First operand 422 states and 674 transitions. Second operand has 15 states, 14 states have (on average 9.714285714285714) internal successors, (136), 11 states have internal predecessors, (136), 4 states have call successors, (36), 6 states have call predecessors, (36), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2023-12-16 05:34:42,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:42,744 INFO L93 Difference]: Finished difference Result 1332 states and 2264 transitions. [2023-12-16 05:34:42,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-16 05:34:42,744 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.714285714285714) internal successors, (136), 11 states have internal predecessors, (136), 4 states have call successors, (36), 6 states have call predecessors, (36), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 125 [2023-12-16 05:34:42,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:42,764 INFO L225 Difference]: With dead ends: 1332 [2023-12-16 05:34:42,764 INFO L226 Difference]: Without dead ends: 936 [2023-12-16 05:34:42,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2023-12-16 05:34:42,767 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 2489 mSDsluCounter, 1687 mSDsCounter, 0 mSdLazyCounter, 3822 mSolverCounterSat, 763 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2509 SdHoareTripleChecker+Valid, 1862 SdHoareTripleChecker+Invalid, 4585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 763 IncrementalHoareTripleChecker+Valid, 3822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:42,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2509 Valid, 1862 Invalid, 4585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [763 Valid, 3822 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-16 05:34:42,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2023-12-16 05:34:42,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 827. [2023-12-16 05:34:42,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 827 states, 653 states have (on average 1.656967840735069) internal successors, (1082), 659 states have internal predecessors, (1082), 146 states have call successors, (146), 23 states have call predecessors, (146), 27 states have return successors, (167), 144 states have call predecessors, (167), 145 states have call successors, (167) [2023-12-16 05:34:42,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1395 transitions. [2023-12-16 05:34:42,799 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1395 transitions. Word has length 125 [2023-12-16 05:34:42,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:42,799 INFO L495 AbstractCegarLoop]: Abstraction has 827 states and 1395 transitions. [2023-12-16 05:34:42,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.714285714285714) internal successors, (136), 11 states have internal predecessors, (136), 4 states have call successors, (36), 6 states have call predecessors, (36), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2023-12-16 05:34:42,800 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1395 transitions. [2023-12-16 05:34:42,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-16 05:34:42,803 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:42,803 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:34:42,812 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-16 05:34:43,008 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 05:34:43,009 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:43,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:43,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1368137002, now seen corresponding path program 1 times [2023-12-16 05:34:43,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:43,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689928244] [2023-12-16 05:34:43,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:43,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:34:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:34:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:34:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-16 05:34:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:34:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-16 05:34:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-16 05:34:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 05:34:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:34:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-16 05:34:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-16 05:34:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-16 05:34:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:43,129 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:34:43,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:43,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689928244] [2023-12-16 05:34:43,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689928244] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:43,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:34:43,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:34:43,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809819838] [2023-12-16 05:34:43,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:43,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:34:43,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:43,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:34:43,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:34:43,131 INFO L87 Difference]: Start difference. First operand 827 states and 1395 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 05:34:44,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:44,122 INFO L93 Difference]: Finished difference Result 2067 states and 3583 transitions. [2023-12-16 05:34:44,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:34:44,122 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 129 [2023-12-16 05:34:44,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:44,128 INFO L225 Difference]: With dead ends: 2067 [2023-12-16 05:34:44,128 INFO L226 Difference]: Without dead ends: 1308 [2023-12-16 05:34:44,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:34:44,131 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 1306 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 1328 mSolverCounterSat, 429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1324 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 1757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 429 IncrementalHoareTripleChecker+Valid, 1328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:44,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1324 Valid, 913 Invalid, 1757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [429 Valid, 1328 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 05:34:44,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2023-12-16 05:34:44,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 1209. [2023-12-16 05:34:44,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 956 states have (on average 1.6673640167364017) internal successors, (1594), 962 states have internal predecessors, (1594), 225 states have call successors, (225), 23 states have call predecessors, (225), 27 states have return successors, (256), 223 states have call predecessors, (256), 224 states have call successors, (256) [2023-12-16 05:34:44,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 2075 transitions. [2023-12-16 05:34:44,171 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 2075 transitions. Word has length 129 [2023-12-16 05:34:44,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:44,171 INFO L495 AbstractCegarLoop]: Abstraction has 1209 states and 2075 transitions. [2023-12-16 05:34:44,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 05:34:44,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 2075 transitions. [2023-12-16 05:34:44,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-12-16 05:34:44,176 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:44,176 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:34:44,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-16 05:34:44,176 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:44,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:44,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1994723003, now seen corresponding path program 1 times [2023-12-16 05:34:44,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:44,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943835384] [2023-12-16 05:34:44,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:44,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:34:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:34:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:34:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 05:34:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:34:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-16 05:34:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 05:34:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 05:34:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-16 05:34:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-16 05:34:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-16 05:34:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-16 05:34:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-16 05:34:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-16 05:34:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-16 05:34:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:44,246 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-16 05:34:44,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:44,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943835384] [2023-12-16 05:34:44,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943835384] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:44,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:34:44,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:34:44,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395601197] [2023-12-16 05:34:44,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:44,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:34:44,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:44,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:34:44,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:34:44,248 INFO L87 Difference]: Start difference. First operand 1209 states and 2075 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 05:34:45,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:45,338 INFO L93 Difference]: Finished difference Result 3018 states and 5269 transitions. [2023-12-16 05:34:45,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:34:45,338 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 148 [2023-12-16 05:34:45,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:45,378 INFO L225 Difference]: With dead ends: 3018 [2023-12-16 05:34:45,378 INFO L226 Difference]: Without dead ends: 1927 [2023-12-16 05:34:45,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:34:45,382 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 1305 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1307 mSolverCounterSat, 438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1324 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 1745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 438 IncrementalHoareTripleChecker+Valid, 1307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:45,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1324 Valid, 882 Invalid, 1745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [438 Valid, 1307 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 05:34:45,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1927 states. [2023-12-16 05:34:45,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1927 to 1828. [2023-12-16 05:34:45,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1828 states, 1456 states have (on average 1.6717032967032968) internal successors, (2434), 1462 states have internal predecessors, (2434), 344 states have call successors, (344), 23 states have call predecessors, (344), 27 states have return successors, (375), 342 states have call predecessors, (375), 343 states have call successors, (375) [2023-12-16 05:34:45,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 1828 states and 3153 transitions. [2023-12-16 05:34:45,515 INFO L78 Accepts]: Start accepts. Automaton has 1828 states and 3153 transitions. Word has length 148 [2023-12-16 05:34:45,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:45,515 INFO L495 AbstractCegarLoop]: Abstraction has 1828 states and 3153 transitions. [2023-12-16 05:34:45,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 05:34:45,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 3153 transitions. [2023-12-16 05:34:45,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-16 05:34:45,523 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:45,523 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:34:45,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-16 05:34:45,524 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:45,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:45,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1211309924, now seen corresponding path program 1 times [2023-12-16 05:34:45,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:45,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693613377] [2023-12-16 05:34:45,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:45,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:34:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:34:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:34:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-16 05:34:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 05:34:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 05:34:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-12-16 05:34:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-12-16 05:34:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-16 05:34:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-16 05:34:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-16 05:34:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-16 05:34:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:45,757 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:34:45,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:45,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693613377] [2023-12-16 05:34:45,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693613377] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:45,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:34:45,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:34:45,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892968308] [2023-12-16 05:34:45,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:45,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:34:45,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:45,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:34:45,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:34:45,759 INFO L87 Difference]: Start difference. First operand 1828 states and 3153 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 05:34:47,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:47,196 INFO L93 Difference]: Finished difference Result 4458 states and 7840 transitions. [2023-12-16 05:34:47,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:34:47,196 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 131 [2023-12-16 05:34:47,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:47,212 INFO L225 Difference]: With dead ends: 4458 [2023-12-16 05:34:47,213 INFO L226 Difference]: Without dead ends: 2876 [2023-12-16 05:34:47,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:34:47,238 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 1302 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1297 mSolverCounterSat, 433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1320 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 1730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 433 IncrementalHoareTripleChecker+Valid, 1297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:47,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1320 Valid, 872 Invalid, 1730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [433 Valid, 1297 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 05:34:47,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2876 states. [2023-12-16 05:34:47,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2876 to 2777. [2023-12-16 05:34:47,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2777 states, 2243 states have (on average 1.675880517164512) internal successors, (3759), 2249 states have internal predecessors, (3759), 506 states have call successors, (506), 23 states have call predecessors, (506), 27 states have return successors, (553), 504 states have call predecessors, (553), 505 states have call successors, (553) [2023-12-16 05:34:47,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2777 states and 4818 transitions. [2023-12-16 05:34:47,342 INFO L78 Accepts]: Start accepts. Automaton has 2777 states and 4818 transitions. Word has length 131 [2023-12-16 05:34:47,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:47,343 INFO L495 AbstractCegarLoop]: Abstraction has 2777 states and 4818 transitions. [2023-12-16 05:34:47,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 05:34:47,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2777 states and 4818 transitions. [2023-12-16 05:34:47,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-16 05:34:47,354 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:47,354 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:34:47,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-16 05:34:47,354 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:47,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:47,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1860982682, now seen corresponding path program 1 times [2023-12-16 05:34:47,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:47,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108040120] [2023-12-16 05:34:47,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:47,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:34:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:34:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:34:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-16 05:34:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-16 05:34:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-16 05:34:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-16 05:34:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-12-16 05:34:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:34:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-16 05:34:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-16 05:34:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-12-16 05:34:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-16 05:34:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-12-16 05:34:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-16 05:34:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:47,467 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-16 05:34:47,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:47,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108040120] [2023-12-16 05:34:47,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108040120] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:47,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:34:47,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:34:47,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005065603] [2023-12-16 05:34:47,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:47,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:34:47,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:47,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:34:47,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:34:47,469 INFO L87 Difference]: Start difference. First operand 2777 states and 4818 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 05:34:48,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:48,569 INFO L93 Difference]: Finished difference Result 6730 states and 11908 transitions. [2023-12-16 05:34:48,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:34:48,569 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 150 [2023-12-16 05:34:48,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:48,618 INFO L225 Difference]: With dead ends: 6730 [2023-12-16 05:34:48,618 INFO L226 Difference]: Without dead ends: 4408 [2023-12-16 05:34:48,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:34:48,626 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 1301 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1320 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 1718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 438 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:48,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1320 Valid, 872 Invalid, 1718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [438 Valid, 1280 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 05:34:48,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4408 states. [2023-12-16 05:34:48,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4408 to 4309. [2023-12-16 05:34:48,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4309 states, 3530 states have (on average 1.6790368271954674) internal successors, (5927), 3536 states have internal predecessors, (5927), 751 states have call successors, (751), 23 states have call predecessors, (751), 27 states have return successors, (824), 749 states have call predecessors, (824), 750 states have call successors, (824) [2023-12-16 05:34:48,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4309 states to 4309 states and 7502 transitions. [2023-12-16 05:34:48,930 INFO L78 Accepts]: Start accepts. Automaton has 4309 states and 7502 transitions. Word has length 150 [2023-12-16 05:34:48,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:48,930 INFO L495 AbstractCegarLoop]: Abstraction has 4309 states and 7502 transitions. [2023-12-16 05:34:48,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 05:34:48,930 INFO L276 IsEmpty]: Start isEmpty. Operand 4309 states and 7502 transitions. [2023-12-16 05:34:48,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-16 05:34:48,958 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:48,958 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:34:48,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-16 05:34:48,958 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:48,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:48,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1661763680, now seen corresponding path program 1 times [2023-12-16 05:34:48,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:48,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581534320] [2023-12-16 05:34:48,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:48,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:49,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:49,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:49,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:49,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:34:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:49,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:34:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:49,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:34:49,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:49,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-16 05:34:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:49,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:34:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:49,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-16 05:34:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:49,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-16 05:34:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:49,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-16 05:34:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:49,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-16 05:34:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:49,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-16 05:34:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:49,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-16 05:34:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:49,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-16 05:34:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:49,052 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:34:49,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:49,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581534320] [2023-12-16 05:34:49,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581534320] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:49,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:34:49,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:34:49,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902097818] [2023-12-16 05:34:49,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:49,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:34:49,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:49,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:34:49,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:34:49,055 INFO L87 Difference]: Start difference. First operand 4309 states and 7502 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 05:34:50,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:50,358 INFO L93 Difference]: Finished difference Result 10783 states and 19119 transitions. [2023-12-16 05:34:50,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:34:50,358 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 133 [2023-12-16 05:34:50,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:50,443 INFO L225 Difference]: With dead ends: 10783 [2023-12-16 05:34:50,443 INFO L226 Difference]: Without dead ends: 7168 [2023-12-16 05:34:50,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:34:50,455 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 1296 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 1355 mSolverCounterSat, 440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1314 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 1795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 440 IncrementalHoareTripleChecker+Valid, 1355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:50,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1314 Valid, 900 Invalid, 1795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [440 Valid, 1355 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 05:34:50,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7168 states. [2023-12-16 05:34:50,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7168 to 7069. [2023-12-16 05:34:50,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7069 states, 5797 states have (on average 1.6737967914438503) internal successors, (9703), 5803 states have internal predecessors, (9703), 1244 states have call successors, (1244), 23 states have call predecessors, (1244), 27 states have return successors, (1361), 1242 states have call predecessors, (1361), 1243 states have call successors, (1361) [2023-12-16 05:34:50,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7069 states to 7069 states and 12308 transitions. [2023-12-16 05:34:50,902 INFO L78 Accepts]: Start accepts. Automaton has 7069 states and 12308 transitions. Word has length 133 [2023-12-16 05:34:50,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:50,902 INFO L495 AbstractCegarLoop]: Abstraction has 7069 states and 12308 transitions. [2023-12-16 05:34:50,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 05:34:50,903 INFO L276 IsEmpty]: Start isEmpty. Operand 7069 states and 12308 transitions. [2023-12-16 05:34:50,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-16 05:34:50,977 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:50,978 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:34:50,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-16 05:34:50,978 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:50,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:50,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1450660650, now seen corresponding path program 1 times [2023-12-16 05:34:50,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:50,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754968131] [2023-12-16 05:34:50,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:50,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:51,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:51,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:51,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:51,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:34:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:51,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:34:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:51,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:34:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:51,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-16 05:34:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:51,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:34:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:51,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-16 05:34:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:51,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 05:34:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:51,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-12-16 05:34:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:51,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-16 05:34:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:51,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-16 05:34:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:51,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-16 05:34:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:51,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-16 05:34:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:51,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-16 05:34:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:51,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-16 05:34:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:51,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-16 05:34:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:51,116 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-16 05:34:51,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:51,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754968131] [2023-12-16 05:34:51,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754968131] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:51,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:34:51,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:34:51,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492418981] [2023-12-16 05:34:51,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:51,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:34:51,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:51,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:34:51,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:34:51,118 INFO L87 Difference]: Start difference. First operand 7069 states and 12308 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 05:34:52,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:52,726 INFO L93 Difference]: Finished difference Result 17986 states and 31866 transitions. [2023-12-16 05:34:52,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:34:52,726 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 152 [2023-12-16 05:34:52,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:52,792 INFO L225 Difference]: With dead ends: 17986 [2023-12-16 05:34:52,793 INFO L226 Difference]: Without dead ends: 11997 [2023-12-16 05:34:52,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:34:52,807 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1298 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1277 mSolverCounterSat, 441 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1317 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 1718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 441 IncrementalHoareTripleChecker+Valid, 1277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:52,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1317 Valid, 878 Invalid, 1718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [441 Valid, 1277 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 05:34:52,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11997 states. [2023-12-16 05:34:53,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11997 to 11898. [2023-12-16 05:34:53,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11898 states, 9804 states have (on average 1.6731946144430845) internal successors, (16404), 9810 states have internal predecessors, (16404), 2066 states have call successors, (2066), 23 states have call predecessors, (2066), 27 states have return successors, (2261), 2064 states have call predecessors, (2261), 2065 states have call successors, (2261) [2023-12-16 05:34:53,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11898 states to 11898 states and 20731 transitions. [2023-12-16 05:34:53,195 INFO L78 Accepts]: Start accepts. Automaton has 11898 states and 20731 transitions. Word has length 152 [2023-12-16 05:34:53,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:53,195 INFO L495 AbstractCegarLoop]: Abstraction has 11898 states and 20731 transitions. [2023-12-16 05:34:53,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 05:34:53,196 INFO L276 IsEmpty]: Start isEmpty. Operand 11898 states and 20731 transitions. [2023-12-16 05:34:53,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-16 05:34:53,227 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:53,228 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:34:53,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-16 05:34:53,228 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:53,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:53,228 INFO L85 PathProgramCache]: Analyzing trace with hash 681246242, now seen corresponding path program 1 times [2023-12-16 05:34:53,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:53,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763089946] [2023-12-16 05:34:53,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:53,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:53,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:53,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:53,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:53,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:34:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:53,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:34:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:53,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:34:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:53,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-16 05:34:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:53,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-16 05:34:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:53,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 05:34:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:53,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 05:34:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:53,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 05:34:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:53,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-12-16 05:34:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:53,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-12-16 05:34:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:53,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-16 05:34:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:53,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-16 05:34:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:53,330 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:34:53,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:53,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763089946] [2023-12-16 05:34:53,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763089946] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:53,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:34:53,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:34:53,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027654617] [2023-12-16 05:34:53,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:53,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:34:53,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:53,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:34:53,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:34:53,332 INFO L87 Difference]: Start difference. First operand 11898 states and 20731 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 05:34:54,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:54,581 INFO L93 Difference]: Finished difference Result 28532 states and 50314 transitions. [2023-12-16 05:34:54,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:34:54,582 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 135 [2023-12-16 05:34:54,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:54,642 INFO L225 Difference]: With dead ends: 28532 [2023-12-16 05:34:54,642 INFO L226 Difference]: Without dead ends: 18669 [2023-12-16 05:34:54,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:34:54,670 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 1295 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 1293 mSolverCounterSat, 436 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1314 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 1729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 436 IncrementalHoareTripleChecker+Valid, 1293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:54,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1314 Valid, 847 Invalid, 1729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [436 Valid, 1293 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-16 05:34:54,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18669 states. [2023-12-16 05:34:55,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18669 to 18570. [2023-12-16 05:34:55,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18570 states, 15273 states have (on average 1.6495122110914686) internal successors, (25193), 15279 states have internal predecessors, (25193), 3269 states have call successors, (3269), 23 states have call predecessors, (3269), 27 states have return successors, (3608), 3267 states have call predecessors, (3608), 3268 states have call successors, (3608) [2023-12-16 05:34:55,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18570 states to 18570 states and 32070 transitions. [2023-12-16 05:34:55,407 INFO L78 Accepts]: Start accepts. Automaton has 18570 states and 32070 transitions. Word has length 135 [2023-12-16 05:34:55,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:55,407 INFO L495 AbstractCegarLoop]: Abstraction has 18570 states and 32070 transitions. [2023-12-16 05:34:55,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 05:34:55,408 INFO L276 IsEmpty]: Start isEmpty. Operand 18570 states and 32070 transitions. [2023-12-16 05:34:55,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-16 05:34:55,468 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:55,468 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:34:55,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-16 05:34:55,469 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:55,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:55,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1914662379, now seen corresponding path program 1 times [2023-12-16 05:34:55,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:55,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298769464] [2023-12-16 05:34:55,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:55,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:55,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:55,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:55,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:55,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:34:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:55,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:34:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:55,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:34:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:55,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 05:34:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:55,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-16 05:34:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:55,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-16 05:34:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:55,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 05:34:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:55,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-16 05:34:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:55,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-16 05:34:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:55,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-12-16 05:34:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:55,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-12-16 05:34:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:55,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-16 05:34:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:55,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-12-16 05:34:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:55,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-12-16 05:34:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:55,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-12-16 05:34:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:55,583 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-16 05:34:55,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:55,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298769464] [2023-12-16 05:34:55,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298769464] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:55,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:34:55,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:34:55,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460709873] [2023-12-16 05:34:55,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:55,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:34:55,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:55,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:34:55,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:34:55,585 INFO L87 Difference]: Start difference. First operand 18570 states and 32070 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 05:34:57,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:34:57,872 INFO L93 Difference]: Finished difference Result 49165 states and 86433 transitions. [2023-12-16 05:34:57,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:34:57,872 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 154 [2023-12-16 05:34:57,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:34:57,964 INFO L225 Difference]: With dead ends: 49165 [2023-12-16 05:34:57,964 INFO L226 Difference]: Without dead ends: 33250 [2023-12-16 05:34:57,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:34:57,992 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 1291 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1298 mSolverCounterSat, 433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1309 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 1731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 433 IncrementalHoareTripleChecker+Valid, 1298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-16 05:34:57,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1309 Valid, 873 Invalid, 1731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [433 Valid, 1298 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-16 05:34:58,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33250 states. [2023-12-16 05:34:59,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33250 to 33151. [2023-12-16 05:34:59,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33151 states, 27404 states have (on average 1.646438476134871) internal successors, (45119), 27410 states have internal predecessors, (45119), 5719 states have call successors, (5719), 23 states have call predecessors, (5719), 27 states have return successors, (6332), 5717 states have call predecessors, (6332), 5718 states have call successors, (6332) [2023-12-16 05:34:59,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33151 states to 33151 states and 57170 transitions. [2023-12-16 05:34:59,818 INFO L78 Accepts]: Start accepts. Automaton has 33151 states and 57170 transitions. Word has length 154 [2023-12-16 05:34:59,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:34:59,818 INFO L495 AbstractCegarLoop]: Abstraction has 33151 states and 57170 transitions. [2023-12-16 05:34:59,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 05:34:59,819 INFO L276 IsEmpty]: Start isEmpty. Operand 33151 states and 57170 transitions. [2023-12-16 05:34:59,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-16 05:34:59,853 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:34:59,853 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:34:59,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-16 05:34:59,853 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:34:59,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:34:59,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1904067173, now seen corresponding path program 1 times [2023-12-16 05:34:59,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:34:59,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607299375] [2023-12-16 05:34:59,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:34:59,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:34:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:34:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:34:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:34:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:34:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:34:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:34:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-16 05:34:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 05:34:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 05:34:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-12-16 05:34:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-16 05:34:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-16 05:34:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-12-16 05:34:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-12-16 05:34:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-12-16 05:34:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-12-16 05:34:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-16 05:34:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-12-16 05:34:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:34:59,934 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-16 05:34:59,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:34:59,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607299375] [2023-12-16 05:34:59,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607299375] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:34:59,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:34:59,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:34:59,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41240538] [2023-12-16 05:34:59,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:34:59,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:34:59,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:34:59,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:34:59,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:34:59,936 INFO L87 Difference]: Start difference. First operand 33151 states and 57170 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 05:35:02,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:35:02,595 INFO L93 Difference]: Finished difference Result 90467 states and 158262 transitions. [2023-12-16 05:35:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:35:02,596 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 155 [2023-12-16 05:35:02,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:35:02,920 INFO L225 Difference]: With dead ends: 90467 [2023-12-16 05:35:02,920 INFO L226 Difference]: Without dead ends: 60862 [2023-12-16 05:35:03,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:35:03,189 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 1291 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1320 mSolverCounterSat, 435 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1310 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 1755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 435 IncrementalHoareTripleChecker+Valid, 1320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 05:35:03,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1310 Valid, 883 Invalid, 1755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [435 Valid, 1320 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 05:35:03,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60862 states. [2023-12-16 05:35:05,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60862 to 60763. [2023-12-16 05:35:05,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60763 states, 50503 states have (on average 1.6424568837494802) internal successors, (82949), 50509 states have internal predecessors, (82949), 10232 states have call successors, (10232), 23 states have call predecessors, (10232), 27 states have return successors, (11377), 10230 states have call predecessors, (11377), 10231 states have call successors, (11377) [2023-12-16 05:35:05,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60763 states to 60763 states and 104558 transitions. [2023-12-16 05:35:05,653 INFO L78 Accepts]: Start accepts. Automaton has 60763 states and 104558 transitions. Word has length 155 [2023-12-16 05:35:05,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:35:05,654 INFO L495 AbstractCegarLoop]: Abstraction has 60763 states and 104558 transitions. [2023-12-16 05:35:05,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 05:35:05,654 INFO L276 IsEmpty]: Start isEmpty. Operand 60763 states and 104558 transitions. [2023-12-16 05:35:05,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-16 05:35:05,711 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:35:05,711 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:35:05,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-16 05:35:05,711 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:35:05,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:35:05,712 INFO L85 PathProgramCache]: Analyzing trace with hash -909375902, now seen corresponding path program 1 times [2023-12-16 05:35:05,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:35:05,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940192610] [2023-12-16 05:35:05,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:35:05,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:35:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:35:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:35:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:35:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:35:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:35:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:35:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-16 05:35:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-16 05:35:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-16 05:35:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-16 05:35:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-16 05:35:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-16 05:35:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-16 05:35:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-16 05:35:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-16 05:35:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:06,156 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:35:06,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:35:06,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940192610] [2023-12-16 05:35:06,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940192610] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:35:06,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:35:06,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 05:35:06,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053420562] [2023-12-16 05:35:06,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:35:06,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 05:35:06,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:35:06,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 05:35:06,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 05:35:06,158 INFO L87 Difference]: Start difference. First operand 60763 states and 104558 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 05:35:09,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:35:09,790 INFO L93 Difference]: Finished difference Result 113819 states and 199615 transitions. [2023-12-16 05:35:09,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 05:35:09,791 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 138 [2023-12-16 05:35:09,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:35:10,295 INFO L225 Difference]: With dead ends: 113819 [2023-12-16 05:35:10,295 INFO L226 Difference]: Without dead ends: 113656 [2023-12-16 05:35:10,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 05:35:10,340 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 1290 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1284 mSolverCounterSat, 442 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1309 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 1726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 442 IncrementalHoareTripleChecker+Valid, 1284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 05:35:10,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1309 Valid, 872 Invalid, 1726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [442 Valid, 1284 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 05:35:10,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113656 states. [2023-12-16 05:35:13,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113656 to 113557. [2023-12-16 05:35:13,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113557 states, 94929 states have (on average 1.6374132246205058) internal successors, (155438), 94935 states have internal predecessors, (155438), 18600 states have call successors, (18600), 23 states have call predecessors, (18600), 27 states have return successors, (20791), 18598 states have call predecessors, (20791), 18599 states have call successors, (20791) [2023-12-16 05:35:15,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113557 states to 113557 states and 194829 transitions. [2023-12-16 05:35:15,094 INFO L78 Accepts]: Start accepts. Automaton has 113557 states and 194829 transitions. Word has length 138 [2023-12-16 05:35:15,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:35:15,094 INFO L495 AbstractCegarLoop]: Abstraction has 113557 states and 194829 transitions. [2023-12-16 05:35:15,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 05:35:15,095 INFO L276 IsEmpty]: Start isEmpty. Operand 113557 states and 194829 transitions. [2023-12-16 05:35:15,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-16 05:35:15,151 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:35:15,151 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:35:15,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-16 05:35:15,151 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:35:15,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:35:15,152 INFO L85 PathProgramCache]: Analyzing trace with hash 183270203, now seen corresponding path program 1 times [2023-12-16 05:35:15,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:35:15,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957306304] [2023-12-16 05:35:15,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:35:15,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:35:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:15,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:35:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:15,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:35:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:15,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:35:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:15,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:35:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:15,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:35:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:15,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:35:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:15,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:35:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:15,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-16 05:35:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:15,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-16 05:35:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:15,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-16 05:35:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:15,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-16 05:35:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:15,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-16 05:35:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:15,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-12-16 05:35:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:15,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-16 05:35:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:15,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-12-16 05:35:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:15,663 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:35:15,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:35:15,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957306304] [2023-12-16 05:35:15,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957306304] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:35:15,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:35:15,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-16 05:35:15,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065546963] [2023-12-16 05:35:15,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:35:15,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-16 05:35:15,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:35:15,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-16 05:35:15,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:35:15,664 INFO L87 Difference]: Start difference. First operand 113557 states and 194829 transitions. Second operand has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 05:35:19,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 05:35:19,799 INFO L93 Difference]: Finished difference Result 113807 states and 198515 transitions. [2023-12-16 05:35:19,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 05:35:19,800 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 139 [2023-12-16 05:35:19,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 05:35:20,599 INFO L225 Difference]: With dead ends: 113807 [2023-12-16 05:35:20,600 INFO L226 Difference]: Without dead ends: 113651 [2023-12-16 05:35:20,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2023-12-16 05:35:20,637 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 1340 mSDsluCounter, 1024 mSDsCounter, 0 mSdLazyCounter, 2675 mSolverCounterSat, 383 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1365 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 3058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 383 IncrementalHoareTripleChecker+Valid, 2675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 05:35:20,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1365 Valid, 1216 Invalid, 3058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [383 Valid, 2675 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 05:35:20,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113651 states. [2023-12-16 05:35:24,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113651 to 113557. [2023-12-16 05:35:24,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113557 states, 94929 states have (on average 1.6374026904317964) internal successors, (155437), 94935 states have internal predecessors, (155437), 18600 states have call successors, (18600), 23 states have call predecessors, (18600), 27 states have return successors, (20791), 18598 states have call predecessors, (20791), 18599 states have call successors, (20791) [2023-12-16 05:35:25,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113557 states to 113557 states and 194828 transitions. [2023-12-16 05:35:25,256 INFO L78 Accepts]: Start accepts. Automaton has 113557 states and 194828 transitions. Word has length 139 [2023-12-16 05:35:25,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 05:35:25,256 INFO L495 AbstractCegarLoop]: Abstraction has 113557 states and 194828 transitions. [2023-12-16 05:35:25,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-16 05:35:25,257 INFO L276 IsEmpty]: Start isEmpty. Operand 113557 states and 194828 transitions. [2023-12-16 05:35:25,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-16 05:35:25,342 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 05:35:25,343 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:35:25,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-16 05:35:25,343 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 05:35:25,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 05:35:25,343 INFO L85 PathProgramCache]: Analyzing trace with hash -620459710, now seen corresponding path program 1 times [2023-12-16 05:35:25,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 05:35:25,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234128655] [2023-12-16 05:35:25,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 05:35:25,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 05:35:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:25,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 05:35:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:25,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 05:35:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:25,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 05:35:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:25,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-16 05:35:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:25,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-12-16 05:35:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:25,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-16 05:35:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:25,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-16 05:35:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:25,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-16 05:35:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:25,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-16 05:35:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:25,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-16 05:35:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:25,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-12-16 05:35:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:25,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-12-16 05:35:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:25,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-12-16 05:35:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:25,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-12-16 05:35:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:25,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-12-16 05:35:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:25,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-12-16 05:35:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 05:35:25,523 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-16 05:35:25,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 05:35:25,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234128655] [2023-12-16 05:35:25,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234128655] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 05:35:25,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 05:35:25,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-16 05:35:25,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880302199] [2023-12-16 05:35:25,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 05:35:25,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-16 05:35:25,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 05:35:25,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-16 05:35:25,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-16 05:35:25,525 INFO L87 Difference]: Start difference. First operand 113557 states and 194828 transitions. Second operand has 10 states, 10 states have (on average 9.8) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Received shutdown request... [2023-12-16 05:35:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-16 05:35:29,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=207, Invalid=549, Unknown=0, NotChecked=0, Total=756 [2023-12-16 05:35:29,455 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 2293 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 2852 mSolverCounterSat, 616 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2310 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 3468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 616 IncrementalHoareTripleChecker+Valid, 2852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-16 05:35:29,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2310 Valid, 1174 Invalid, 3468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [616 Valid, 2852 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-16 05:35:29,465 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 05:35:29,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-16 05:35:29,466 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (113557states) and FLOYD_HOARE automaton (currently 21 states, 10 states before enhancement),while ReachableStatesComputation was computing reachable states (61784 states constructed, input type IntersectNwa). [2023-12-16 05:35:29,478 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 05:35:29,480 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 05:35:29,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:35:29 BoogieIcfgContainer [2023-12-16 05:35:29,495 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 05:35:29,496 INFO L158 Benchmark]: Toolchain (without parser) took 67266.25ms. Allocated memory was 234.9MB in the beginning and 7.4GB in the end (delta: 7.2GB). Free memory was 188.4MB in the beginning and 5.8GB in the end (delta: -5.6GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2023-12-16 05:35:29,496 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 05:35:29,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 697.47ms. Allocated memory is still 234.9MB. Free memory was 188.4MB in the beginning and 146.4MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2023-12-16 05:35:29,496 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.63ms. Allocated memory is still 234.9MB. Free memory was 146.4MB in the beginning and 140.7MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-16 05:35:29,496 INFO L158 Benchmark]: Boogie Preprocessor took 143.26ms. Allocated memory is still 234.9MB. Free memory was 140.7MB in the beginning and 199.2MB in the end (delta: -58.5MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. [2023-12-16 05:35:29,497 INFO L158 Benchmark]: RCFGBuilder took 1249.87ms. Allocated memory is still 234.9MB. Free memory was 199.2MB in the beginning and 126.3MB in the end (delta: 72.9MB). Peak memory consumption was 73.4MB. Max. memory is 8.0GB. [2023-12-16 05:35:29,497 INFO L158 Benchmark]: TraceAbstraction took 65076.12ms. Allocated memory was 234.9MB in the beginning and 7.4GB in the end (delta: 7.2GB). Free memory was 125.8MB in the beginning and 5.8GB in the end (delta: -5.7GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2023-12-16 05:35:29,498 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks [2023-12-16 05:35:29,502 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 Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 697.47ms. Allocated memory is still 234.9MB. Free memory was 188.4MB in the beginning and 146.4MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 94.63ms. Allocated memory is still 234.9MB. Free memory was 146.4MB in the beginning and 140.7MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 143.26ms. Allocated memory is still 234.9MB. Free memory was 140.7MB in the beginning and 199.2MB in the end (delta: -58.5MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. * RCFGBuilder took 1249.87ms. Allocated memory is still 234.9MB. Free memory was 199.2MB in the beginning and 126.3MB in the end (delta: 72.9MB). Peak memory consumption was 73.4MB. Max. memory is 8.0GB. * TraceAbstraction took 65076.12ms. Allocated memory was 234.9MB in the beginning and 7.4GB in the end (delta: 7.2GB). Free memory was 125.8MB in the beginning and 5.8GB in the end (delta: -5.7GB). Peak memory consumption was 1.8GB. 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,"Test.i","") [48] - GenericResultAtLocation [Line: 380]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [380] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [415] - GenericResultAtLocation [Line: 1483]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1483] - GenericResultAtLocation [Line: 1823]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1823] - GenericResultAtLocation [Line: 1858]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1858] - GenericResultAtLocation [Line: 1875]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1875] - GenericResultAtLocation [Line: 2277]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2277] - GenericResultAtLocation [Line: 2286]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2286] - GenericResultAtLocation [Line: 2652]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2652] - GenericResultAtLocation [Line: 2749]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2749] * 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: 2282]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2282). Cancelled while NwaCegarLoop was constructing difference of abstraction (113557states) and FLOYD_HOARE automaton (currently 21 states, 10 states before enhancement),while ReachableStatesComputation was computing reachable states (61784 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 350 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 65.0s, OverallIterations: 22, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.5s, AutomataDifference: 40.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24278 SdHoareTripleChecker+Valid, 24.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24006 mSDsluCounter, 25445 SdHoareTripleChecker+Invalid, 20.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19564 mSDsCounter, 7596 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35073 IncrementalHoareTripleChecker+Invalid, 42669 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7596 mSolverCounterUnsat, 5881 mSDtfsCounter, 35073 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1853 GetRequests, 1546 SyntacticMatches, 0 SemanticMatches, 307 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 705 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113557occurred in iteration=20, InterpolantAutomatonStates: 194, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 16.1s AutomataMinimizationTime, 21 MinimizatonAttempts, 1574 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 3660 NumberOfCodeBlocks, 3660 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 3756 ConstructedInterpolants, 0 QuantifiedInterpolants, 6066 SizeOfPredicates, 8 NumberOfNonLiveVariables, 6627 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 29 InterpolantComputations, 21 PerfectInterpolantSequences, 910/936 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