/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_spec11_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 09:36:47,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 09:36:47,204 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-21 09:36:47,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 09:36:47,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 09:36:47,231 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 09:36:47,232 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 09:36:47,232 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 09:36:47,233 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 09:36:47,235 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 09:36:47,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 09:36:47,240 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 09:36:47,240 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 09:36:47,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 09:36:47,240 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 09:36:47,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 09:36:47,241 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 09:36:47,241 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 09:36:47,241 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 09:36:47,241 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 09:36:47,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 09:36:47,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 09:36:47,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 09:36:47,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 09:36:47,242 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 09:36:47,242 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 09:36:47,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 09:36:47,242 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 09:36:47,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 09:36:47,243 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 09:36:47,244 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 09:36:47,244 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 09:36:47,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 09:36:47,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 09:36:47,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 09:36:47,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 09:36:47,244 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 09:36:47,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 09:36:47,244 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 09:36:47,245 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 09:36:47,245 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 09:36:47,245 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 09:36:47,245 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 09:36:47,245 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 09:36:47,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 09:36:47,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 09:36:47,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 09:36:47,443 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 09:36:47,443 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 09:36:47,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product36.cil.c [2023-12-21 09:36:48,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 09:36:48,659 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 09:36:48,659 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product36.cil.c [2023-12-21 09:36:48,676 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f49fc109b/011a6219a1584014b1be30c7955caa98/FLAGfe7f228ee [2023-12-21 09:36:48,689 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f49fc109b/011a6219a1584014b1be30c7955caa98 [2023-12-21 09:36:48,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 09:36:48,692 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 09:36:48,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 09:36:48,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 09:36:48,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 09:36:48,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 09:36:48" (1/1) ... [2023-12-21 09:36:48,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7771d9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:36:48, skipping insertion in model container [2023-12-21 09:36:48,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 09:36:48" (1/1) ... [2023-12-21 09:36:48,758 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 09:36:49,024 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_spec11_product36.cil.c[27504,27517] [2023-12-21 09:36:49,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 09:36:49,104 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 09:36:49,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2023-12-21 09:36:49,113 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [460] [2023-12-21 09:36:49,114 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [826] [2023-12-21 09:36:49,114 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [875] [2023-12-21 09:36:49,114 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1044] [2023-12-21 09:36:49,114 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1242] [2023-12-21 09:36:49,114 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1251] [2023-12-21 09:36:49,114 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2325] [2023-12-21 09:36:49,114 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2342] [2023-12-21 09:36:49,114 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2581] [2023-12-21 09:36:49,114 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2601] [2023-12-21 09:36:49,145 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_spec11_product36.cil.c[27504,27517] [2023-12-21 09:36:49,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 09:36:49,194 INFO L206 MainTranslator]: Completed translation [2023-12-21 09:36:49,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:36:49 WrapperNode [2023-12-21 09:36:49,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 09:36:49,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 09:36:49,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 09:36:49,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 09:36:49,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:36:49" (1/1) ... [2023-12-21 09:36:49,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:36:49" (1/1) ... [2023-12-21 09:36:49,252 INFO L138 Inliner]: procedures = 113, calls = 136, calls flagged for inlining = 41, calls inlined = 36, statements flattened = 684 [2023-12-21 09:36:49,253 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 09:36:49,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 09:36:49,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 09:36:49,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 09:36:49,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:36:49" (1/1) ... [2023-12-21 09:36:49,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:36:49" (1/1) ... [2023-12-21 09:36:49,264 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:36:49" (1/1) ... [2023-12-21 09:36:49,277 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 4]. The 0 writes are split as follows [0, 0]. [2023-12-21 09:36:49,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:36:49" (1/1) ... [2023-12-21 09:36:49,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:36:49" (1/1) ... [2023-12-21 09:36:49,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:36:49" (1/1) ... [2023-12-21 09:36:49,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:36:49" (1/1) ... [2023-12-21 09:36:49,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:36:49" (1/1) ... [2023-12-21 09:36:49,309 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:36:49" (1/1) ... [2023-12-21 09:36:49,313 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 09:36:49,313 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 09:36:49,313 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 09:36:49,314 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 09:36:49,314 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:36:49" (1/1) ... [2023-12-21 09:36:49,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 09:36:49,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:36:49,339 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) [2023-12-21 09:36:49,360 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 [2023-12-21 09:36:49,381 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-12-21 09:36:49,381 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-12-21 09:36:49,381 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-12-21 09:36:49,382 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-12-21 09:36:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-12-21 09:36:49,382 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-12-21 09:36:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-12-21 09:36:49,382 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-12-21 09:36:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-12-21 09:36:49,382 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-12-21 09:36:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-12-21 09:36:49,382 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-12-21 09:36:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-12-21 09:36:49,382 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-12-21 09:36:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-12-21 09:36:49,383 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-12-21 09:36:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-12-21 09:36:49,383 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-12-21 09:36:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 09:36:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-12-21 09:36:49,383 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-12-21 09:36:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-12-21 09:36:49,383 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-12-21 09:36:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-12-21 09:36:49,383 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-12-21 09:36:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-12-21 09:36:49,384 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-12-21 09:36:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 09:36:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-21 09:36:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-12-21 09:36:49,384 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-12-21 09:36:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 09:36:49,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 09:36:49,524 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 09:36:49,526 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 09:36:49,968 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 09:36:50,021 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 09:36:50,021 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-21 09:36:50,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 09:36:50 BoogieIcfgContainer [2023-12-21 09:36:50,022 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 09:36:50,024 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 09:36:50,024 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 09:36:50,026 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 09:36:50,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 09:36:48" (1/3) ... [2023-12-21 09:36:50,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aab75c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 09:36:50, skipping insertion in model container [2023-12-21 09:36:50,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:36:49" (2/3) ... [2023-12-21 09:36:50,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aab75c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 09:36:50, skipping insertion in model container [2023-12-21 09:36:50,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 09:36:50" (3/3) ... [2023-12-21 09:36:50,028 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec11_product36.cil.c [2023-12-21 09:36:50,040 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 09:36:50,041 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 09:36:50,078 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 09:36:50,083 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;@5ee3108, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 09:36:50,083 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 09:36:50,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 208 states, 161 states have (on average 1.6335403726708075) internal successors, (263), 164 states have internal predecessors, (263), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-21 09:36:50,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-21 09:36:50,102 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:36:50,103 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 09:36:50,103 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:36:50,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:36:50,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1314598513, now seen corresponding path program 1 times [2023-12-21 09:36:50,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:36:50,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788700285] [2023-12-21 09:36:50,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:36:50,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:36:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:50,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:36:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:50,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:36:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:50,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:36:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:50,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-21 09:36:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:50,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 09:36:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:50,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-21 09:36:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:50,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-21 09:36:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:50,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-21 09:36:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:50,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 09:36:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:50,599 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-21 09:36:50,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:36:50,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788700285] [2023-12-21 09:36:50,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788700285] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:36:50,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147484940] [2023-12-21 09:36:50,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:36:50,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:36:50,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:36:50,603 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) [2023-12-21 09:36:50,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-21 09:36:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:50,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-21 09:36:50,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:36:50,852 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-21 09:36:50,853 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 09:36:50,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147484940] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:36:50,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 09:36:50,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 8 [2023-12-21 09:36:50,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306400642] [2023-12-21 09:36:50,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:36:50,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 09:36:50,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:36:50,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 09:36:50,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-21 09:36:50,885 INFO L87 Difference]: Start difference. First operand has 208 states, 161 states have (on average 1.6335403726708075) internal successors, (263), 164 states have internal predecessors, (263), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:36:50,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:36:50,965 INFO L93 Difference]: Finished difference Result 331 states and 506 transitions. [2023-12-21 09:36:50,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 09:36:50,968 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 69 [2023-12-21 09:36:50,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:36:50,982 INFO L225 Difference]: With dead ends: 331 [2023-12-21 09:36:50,982 INFO L226 Difference]: Without dead ends: 205 [2023-12-21 09:36:50,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-21 09:36:50,991 INFO L413 NwaCegarLoop]: 306 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, 306 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 [2023-12-21 09:36:50,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 306 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 09:36:51,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2023-12-21 09:36:51,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2023-12-21 09:36:51,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 159 states have (on average 1.610062893081761) internal successors, (256), 161 states have internal predecessors, (256), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-21 09:36:51,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 317 transitions. [2023-12-21 09:36:51,031 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 317 transitions. Word has length 69 [2023-12-21 09:36:51,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:36:51,035 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 317 transitions. [2023-12-21 09:36:51,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:36:51,036 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 317 transitions. [2023-12-21 09:36:51,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-21 09:36:51,038 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:36:51,038 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 09:36:51,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-21 09:36:51,238 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 [2023-12-21 09:36:51,239 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:36:51,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:36:51,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1179799772, now seen corresponding path program 1 times [2023-12-21 09:36:51,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:36:51,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252606384] [2023-12-21 09:36:51,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:36:51,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:36:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:51,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:36:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:51,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:36:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:51,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:36:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:51,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-12-21 09:36:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:51,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-12-21 09:36:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:51,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-21 09:36:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:51,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-12-21 09:36:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:51,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 09:36:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:51,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-21 09:36:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:51,417 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-21 09:36:51,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:36:51,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252606384] [2023-12-21 09:36:51,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252606384] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:36:51,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925589656] [2023-12-21 09:36:51,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:36:51,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:36:51,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:36:51,420 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) [2023-12-21 09:36:51,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-21 09:36:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:51,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-21 09:36:51,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:36:51,666 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-21 09:36:51,666 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 09:36:51,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925589656] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:36:51,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 09:36:51,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-12-21 09:36:51,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036173172] [2023-12-21 09:36:51,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:36:51,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 09:36:51,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:36:51,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 09:36:51,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-21 09:36:51,668 INFO L87 Difference]: Start difference. First operand 205 states and 317 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:36:51,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:36:51,719 INFO L93 Difference]: Finished difference Result 327 states and 490 transitions. [2023-12-21 09:36:51,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 09:36:51,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 70 [2023-12-21 09:36:51,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:36:51,724 INFO L225 Difference]: With dead ends: 327 [2023-12-21 09:36:51,724 INFO L226 Difference]: Without dead ends: 207 [2023-12-21 09:36:51,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-21 09:36:51,727 INFO L413 NwaCegarLoop]: 303 mSDtfsCounter, 0 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 605 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 [2023-12-21 09:36:51,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 605 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 09:36:51,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2023-12-21 09:36:51,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2023-12-21 09:36:51,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 161 states have (on average 1.6024844720496894) internal successors, (258), 163 states have internal predecessors, (258), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-21 09:36:51,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 319 transitions. [2023-12-21 09:36:51,752 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 319 transitions. Word has length 70 [2023-12-21 09:36:51,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:36:51,752 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 319 transitions. [2023-12-21 09:36:51,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:36:51,755 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 319 transitions. [2023-12-21 09:36:51,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-21 09:36:51,759 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:36:51,759 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 09:36:51,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-21 09:36:51,959 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 [2023-12-21 09:36:51,960 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:36:51,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:36:51,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1528074415, now seen corresponding path program 1 times [2023-12-21 09:36:51,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:36:51,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62970285] [2023-12-21 09:36:51,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:36:51,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:36:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:52,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:36:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:52,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:36:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:52,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-21 09:36:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:52,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-21 09:36:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:52,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-21 09:36:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:52,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 09:36:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:52,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 09:36:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:52,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 09:36:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:52,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-21 09:36:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:52,096 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-21 09:36:52,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:36:52,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62970285] [2023-12-21 09:36:52,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62970285] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:36:52,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223753643] [2023-12-21 09:36:52,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:36:52,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:36:52,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:36:52,098 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) [2023-12-21 09:36:52,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-21 09:36:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:52,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-21 09:36:52,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:36:52,321 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-21 09:36:52,321 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 09:36:52,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223753643] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:36:52,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 09:36:52,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2023-12-21 09:36:52,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889384664] [2023-12-21 09:36:52,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:36:52,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 09:36:52,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:36:52,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 09:36:52,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-12-21 09:36:52,323 INFO L87 Difference]: Start difference. First operand 207 states and 319 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-21 09:36:52,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:36:52,386 INFO L93 Difference]: Finished difference Result 411 states and 635 transitions. [2023-12-21 09:36:52,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 09:36:52,387 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 74 [2023-12-21 09:36:52,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:36:52,388 INFO L225 Difference]: With dead ends: 411 [2023-12-21 09:36:52,388 INFO L226 Difference]: Without dead ends: 209 [2023-12-21 09:36:52,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-12-21 09:36:52,389 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 8 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1165 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 09:36:52,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1165 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 09:36:52,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2023-12-21 09:36:52,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2023-12-21 09:36:52,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 162 states have (on average 1.5987654320987654) internal successors, (259), 165 states have internal predecessors, (259), 31 states have call successors, (31), 14 states have call predecessors, (31), 15 states have return successors, (32), 29 states have call predecessors, (32), 30 states have call successors, (32) [2023-12-21 09:36:52,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 322 transitions. [2023-12-21 09:36:52,397 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 322 transitions. Word has length 74 [2023-12-21 09:36:52,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:36:52,397 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 322 transitions. [2023-12-21 09:36:52,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-21 09:36:52,397 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 322 transitions. [2023-12-21 09:36:52,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-21 09:36:52,398 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:36:52,398 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 09:36:52,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-21 09:36:52,604 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 [2023-12-21 09:36:52,604 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:36:52,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:36:52,605 INFO L85 PathProgramCache]: Analyzing trace with hash 883553871, now seen corresponding path program 1 times [2023-12-21 09:36:52,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:36:52,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499446622] [2023-12-21 09:36:52,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:36:52,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:36:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:52,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:36:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:52,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:36:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:52,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 09:36:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:52,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-12-21 09:36:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:52,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-21 09:36:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:52,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-21 09:36:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:52,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-21 09:36:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:52,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-21 09:36:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:52,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-21 09:36:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:52,731 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-21 09:36:52,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:36:52,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499446622] [2023-12-21 09:36:52,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499446622] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:36:52,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:36:52,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-21 09:36:52,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119056346] [2023-12-21 09:36:52,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:36:52,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-21 09:36:52,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:36:52,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-21 09:36:52,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-21 09:36:52,734 INFO L87 Difference]: Start difference. First operand 209 states and 322 transitions. Second operand has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-21 09:36:53,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:36:53,797 INFO L93 Difference]: Finished difference Result 527 states and 847 transitions. [2023-12-21 09:36:53,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-21 09:36:53,797 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 75 [2023-12-21 09:36:53,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:36:53,799 INFO L225 Difference]: With dead ends: 527 [2023-12-21 09:36:53,799 INFO L226 Difference]: Without dead ends: 333 [2023-12-21 09:36:53,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2023-12-21 09:36:53,801 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 520 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 1700 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 1875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-21 09:36:53,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 654 Invalid, 1875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1700 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-21 09:36:53,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2023-12-21 09:36:53,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 209. [2023-12-21 09:36:53,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 162 states have (on average 1.5987654320987654) internal successors, (259), 165 states have internal predecessors, (259), 31 states have call successors, (31), 14 states have call predecessors, (31), 15 states have return successors, (31), 29 states have call predecessors, (31), 30 states have call successors, (31) [2023-12-21 09:36:53,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 321 transitions. [2023-12-21 09:36:53,817 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 321 transitions. Word has length 75 [2023-12-21 09:36:53,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:36:53,818 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 321 transitions. [2023-12-21 09:36:53,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-21 09:36:53,818 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 321 transitions. [2023-12-21 09:36:53,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-21 09:36:53,818 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:36:53,819 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 09:36:53,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-21 09:36:53,819 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:36:53,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:36:53,819 INFO L85 PathProgramCache]: Analyzing trace with hash -2113327819, now seen corresponding path program 2 times [2023-12-21 09:36:53,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:36:53,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91532771] [2023-12-21 09:36:53,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:36:53,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:36:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:53,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:36:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:53,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:36:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:53,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 09:36:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:53,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-12-21 09:36:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:53,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-12-21 09:36:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:53,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-21 09:36:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:53,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 09:36:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:53,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-21 09:36:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:53,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-21 09:36:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:53,905 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-21 09:36:53,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:36:53,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91532771] [2023-12-21 09:36:53,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91532771] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:36:53,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:36:53,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-21 09:36:53,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868105331] [2023-12-21 09:36:53,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:36:53,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-21 09:36:53,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:36:53,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-21 09:36:53,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-21 09:36:53,907 INFO L87 Difference]: Start difference. First operand 209 states and 321 transitions. Second operand has 8 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-21 09:36:54,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:36:54,855 INFO L93 Difference]: Finished difference Result 529 states and 850 transitions. [2023-12-21 09:36:54,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-21 09:36:54,855 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 76 [2023-12-21 09:36:54,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:36:54,859 INFO L225 Difference]: With dead ends: 529 [2023-12-21 09:36:54,859 INFO L226 Difference]: Without dead ends: 335 [2023-12-21 09:36:54,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2023-12-21 09:36:54,860 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 517 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 1698 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 1873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-21 09:36:54,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 653 Invalid, 1873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1698 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-21 09:36:54,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2023-12-21 09:36:54,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 211. [2023-12-21 09:36:54,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 163 states have (on average 1.5950920245398772) internal successors, (260), 167 states have internal predecessors, (260), 31 states have call successors, (31), 14 states have call predecessors, (31), 16 states have return successors, (33), 29 states have call predecessors, (33), 30 states have call successors, (33) [2023-12-21 09:36:54,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 324 transitions. [2023-12-21 09:36:54,889 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 324 transitions. Word has length 76 [2023-12-21 09:36:54,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:36:54,890 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 324 transitions. [2023-12-21 09:36:54,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-21 09:36:54,890 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 324 transitions. [2023-12-21 09:36:54,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-21 09:36:54,891 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:36:54,891 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 09:36:54,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-21 09:36:54,892 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:36:54,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:36:54,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1590540630, now seen corresponding path program 1 times [2023-12-21 09:36:54,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:36:54,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581556412] [2023-12-21 09:36:54,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:36:54,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:36:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:54,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:36:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:54,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:36:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:54,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 09:36:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:54,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-21 09:36:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:54,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-12-21 09:36:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:54,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-12-21 09:36:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:54,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-21 09:36:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:54,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-21 09:36:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:54,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 09:36:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:54,984 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-21 09:36:54,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:36:54,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581556412] [2023-12-21 09:36:54,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581556412] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:36:54,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280167474] [2023-12-21 09:36:54,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:36:54,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:36:54,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:36:54,986 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) [2023-12-21 09:36:55,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-21 09:36:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:55,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-21 09:36:55,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:36:55,178 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-21 09:36:55,178 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 09:36:55,219 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-21 09:36:55,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280167474] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 09:36:55,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-21 09:36:55,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10 [2023-12-21 09:36:55,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14243409] [2023-12-21 09:36:55,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-21 09:36:55,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-21 09:36:55,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:36:55,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-21 09:36:55,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:36:55,220 INFO L87 Difference]: Start difference. First operand 211 states and 324 transitions. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 7 states have internal predecessors, (74), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-21 09:36:56,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:36:56,131 INFO L93 Difference]: Finished difference Result 620 states and 1027 transitions. [2023-12-21 09:36:56,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-21 09:36:56,132 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 7 states have internal predecessors, (74), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 77 [2023-12-21 09:36:56,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:36:56,134 INFO L225 Difference]: With dead ends: 620 [2023-12-21 09:36:56,134 INFO L226 Difference]: Without dead ends: 500 [2023-12-21 09:36:56,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2023-12-21 09:36:56,135 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 852 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 1424 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 1637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 1424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-21 09:36:56,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [876 Valid, 833 Invalid, 1637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 1424 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-21 09:36:56,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2023-12-21 09:36:56,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 361. [2023-12-21 09:36:56,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 304 states have (on average 1.7138157894736843) internal successors, (521), 308 states have internal predecessors, (521), 40 states have call successors, (40), 14 states have call predecessors, (40), 16 states have return successors, (42), 38 states have call predecessors, (42), 39 states have call successors, (42) [2023-12-21 09:36:56,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 603 transitions. [2023-12-21 09:36:56,150 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 603 transitions. Word has length 77 [2023-12-21 09:36:56,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:36:56,150 INFO L495 AbstractCegarLoop]: Abstraction has 361 states and 603 transitions. [2023-12-21 09:36:56,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 7 states have internal predecessors, (74), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-21 09:36:56,150 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 603 transitions. [2023-12-21 09:36:56,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-21 09:36:56,151 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:36:56,151 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 09:36:56,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-21 09:36:56,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:36:56,357 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:36:56,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:36:56,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1150655043, now seen corresponding path program 1 times [2023-12-21 09:36:56,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:36:56,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488201020] [2023-12-21 09:36:56,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:36:56,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:36:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:56,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:36:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:56,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:36:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:56,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 09:36:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:56,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-12-21 09:36:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:56,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-21 09:36:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:56,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-21 09:36:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:56,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 09:36:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:56,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-21 09:36:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:56,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-21 09:36:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:56,411 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-21 09:36:56,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:36:56,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488201020] [2023-12-21 09:36:56,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488201020] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:36:56,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:36:56,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 09:36:56,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172376172] [2023-12-21 09:36:56,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:36:56,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 09:36:56,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:36:56,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 09:36:56,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 09:36:56,413 INFO L87 Difference]: Start difference. First operand 361 states and 603 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:36:57,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:36:57,110 INFO L93 Difference]: Finished difference Result 978 states and 1685 transitions. [2023-12-21 09:36:57,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-21 09:36:57,110 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 84 [2023-12-21 09:36:57,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:36:57,113 INFO L225 Difference]: With dead ends: 978 [2023-12-21 09:36:57,113 INFO L226 Difference]: Without dead ends: 639 [2023-12-21 09:36:57,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:36:57,115 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 597 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-21 09:36:57,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 469 Invalid, 1170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-21 09:36:57,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2023-12-21 09:36:57,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 510. [2023-12-21 09:36:57,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 444 states have (on average 1.7454954954954955) internal successors, (775), 448 states have internal predecessors, (775), 49 states have call successors, (49), 14 states have call predecessors, (49), 16 states have return successors, (51), 47 states have call predecessors, (51), 48 states have call successors, (51) [2023-12-21 09:36:57,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 875 transitions. [2023-12-21 09:36:57,132 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 875 transitions. Word has length 84 [2023-12-21 09:36:57,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:36:57,133 INFO L495 AbstractCegarLoop]: Abstraction has 510 states and 875 transitions. [2023-12-21 09:36:57,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:36:57,133 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 875 transitions. [2023-12-21 09:36:57,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-21 09:36:57,134 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:36:57,134 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 09:36:57,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-21 09:36:57,134 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:36:57,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:36:57,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1320008002, now seen corresponding path program 1 times [2023-12-21 09:36:57,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:36:57,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347530104] [2023-12-21 09:36:57,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:36:57,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:36:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:57,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:36:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:57,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:36:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:57,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 09:36:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:57,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-21 09:36:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:57,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-12-21 09:36:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:57,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 09:36:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:57,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-12-21 09:36:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:57,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-21 09:36:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:57,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-21 09:36:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:57,185 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-21 09:36:57,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:36:57,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347530104] [2023-12-21 09:36:57,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347530104] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:36:57,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:36:57,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 09:36:57,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084559296] [2023-12-21 09:36:57,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:36:57,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 09:36:57,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:36:57,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 09:36:57,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 09:36:57,187 INFO L87 Difference]: Start difference. First operand 510 states and 875 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:36:57,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:36:57,928 INFO L93 Difference]: Finished difference Result 1339 states and 2347 transitions. [2023-12-21 09:36:57,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-21 09:36:57,929 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 85 [2023-12-21 09:36:57,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:36:57,932 INFO L225 Difference]: With dead ends: 1339 [2023-12-21 09:36:57,932 INFO L226 Difference]: Without dead ends: 866 [2023-12-21 09:36:57,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:36:57,934 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 594 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 989 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-21 09:36:57,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 460 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 989 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-21 09:36:57,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2023-12-21 09:36:57,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 737. [2023-12-21 09:36:57,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 656 states have (on average 1.763719512195122) internal successors, (1157), 660 states have internal predecessors, (1157), 64 states have call successors, (64), 14 states have call predecessors, (64), 16 states have return successors, (66), 62 states have call predecessors, (66), 63 states have call successors, (66) [2023-12-21 09:36:57,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1287 transitions. [2023-12-21 09:36:57,957 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1287 transitions. Word has length 85 [2023-12-21 09:36:57,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:36:57,958 INFO L495 AbstractCegarLoop]: Abstraction has 737 states and 1287 transitions. [2023-12-21 09:36:57,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:36:57,958 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1287 transitions. [2023-12-21 09:36:57,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-21 09:36:57,959 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:36:57,959 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 09:36:57,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-21 09:36:57,960 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:36:57,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:36:57,961 INFO L85 PathProgramCache]: Analyzing trace with hash 572818751, now seen corresponding path program 1 times [2023-12-21 09:36:57,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:36:57,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859101619] [2023-12-21 09:36:57,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:36:57,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:36:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:57,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:36:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:57,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:36:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:57,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 09:36:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:58,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-12-21 09:36:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:58,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 09:36:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:58,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-21 09:36:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:58,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-12-21 09:36:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:58,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 09:36:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:58,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-21 09:36:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:58,016 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-21 09:36:58,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:36:58,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859101619] [2023-12-21 09:36:58,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859101619] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:36:58,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:36:58,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 09:36:58,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44521786] [2023-12-21 09:36:58,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:36:58,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 09:36:58,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:36:58,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 09:36:58,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 09:36:58,017 INFO L87 Difference]: Start difference. First operand 737 states and 1287 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:36:58,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:36:58,787 INFO L93 Difference]: Finished difference Result 1931 states and 3422 transitions. [2023-12-21 09:36:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-21 09:36:58,787 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 86 [2023-12-21 09:36:58,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:36:58,791 INFO L225 Difference]: With dead ends: 1931 [2023-12-21 09:36:58,792 INFO L226 Difference]: Without dead ends: 1248 [2023-12-21 09:36:58,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:36:58,793 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 591 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 1189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-21 09:36:58,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 466 Invalid, 1189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-21 09:36:58,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2023-12-21 09:36:58,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1119. [2023-12-21 09:36:58,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1119 states, 1014 states have (on average 1.7692307692307692) internal successors, (1794), 1018 states have internal predecessors, (1794), 88 states have call successors, (88), 14 states have call predecessors, (88), 16 states have return successors, (90), 86 states have call predecessors, (90), 87 states have call successors, (90) [2023-12-21 09:36:58,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 1972 transitions. [2023-12-21 09:36:58,820 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 1972 transitions. Word has length 86 [2023-12-21 09:36:58,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:36:58,820 INFO L495 AbstractCegarLoop]: Abstraction has 1119 states and 1972 transitions. [2023-12-21 09:36:58,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:36:58,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1972 transitions. [2023-12-21 09:36:58,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-21 09:36:58,824 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:36:58,824 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 09:36:58,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-21 09:36:58,824 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:36:58,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:36:58,824 INFO L85 PathProgramCache]: Analyzing trace with hash -81189676, now seen corresponding path program 1 times [2023-12-21 09:36:58,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:36:58,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280623508] [2023-12-21 09:36:58,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:36:58,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:36:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:58,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:36:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:58,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:36:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:58,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 09:36:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:58,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-21 09:36:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:58,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-21 09:36:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:58,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 09:36:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:58,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-21 09:36:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:58,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-21 09:36:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:58,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-12-21 09:36:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:58,883 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-21 09:36:58,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:36:58,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280623508] [2023-12-21 09:36:58,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280623508] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:36:58,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:36:58,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 09:36:58,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117526754] [2023-12-21 09:36:58,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:36:58,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 09:36:58,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:36:58,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 09:36:58,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 09:36:58,884 INFO L87 Difference]: Start difference. First operand 1119 states and 1972 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:36:59,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:36:59,646 INFO L93 Difference]: Finished difference Result 2886 states and 5143 transitions. [2023-12-21 09:36:59,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-21 09:36:59,646 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 87 [2023-12-21 09:36:59,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:36:59,653 INFO L225 Difference]: With dead ends: 2886 [2023-12-21 09:36:59,653 INFO L226 Difference]: Without dead ends: 1864 [2023-12-21 09:36:59,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:36:59,656 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 591 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-21 09:36:59,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 468 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 993 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-21 09:36:59,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1864 states. [2023-12-21 09:36:59,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1864 to 1735. [2023-12-21 09:36:59,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1735 states, 1591 states have (on average 1.7674418604651163) internal successors, (2812), 1595 states have internal predecessors, (2812), 127 states have call successors, (127), 14 states have call predecessors, (127), 16 states have return successors, (129), 125 states have call predecessors, (129), 126 states have call successors, (129) [2023-12-21 09:36:59,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 3068 transitions. [2023-12-21 09:36:59,713 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 3068 transitions. Word has length 87 [2023-12-21 09:36:59,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:36:59,714 INFO L495 AbstractCegarLoop]: Abstraction has 1735 states and 3068 transitions. [2023-12-21 09:36:59,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:36:59,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 3068 transitions. [2023-12-21 09:36:59,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-21 09:36:59,720 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:36:59,720 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 09:36:59,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-21 09:36:59,720 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:36:59,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:36:59,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1383434431, now seen corresponding path program 1 times [2023-12-21 09:36:59,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:36:59,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258784333] [2023-12-21 09:36:59,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:36:59,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:36:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:59,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:36:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:59,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:36:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:59,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 09:36:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:59,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-21 09:36:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:59,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-21 09:36:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:59,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-21 09:36:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:59,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-12-21 09:36:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:59,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 09:36:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:59,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-12-21 09:36:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:36:59,797 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-21 09:36:59,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:36:59,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258784333] [2023-12-21 09:36:59,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258784333] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:36:59,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:36:59,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 09:36:59,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632374090] [2023-12-21 09:36:59,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:36:59,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 09:36:59,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:36:59,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 09:36:59,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 09:36:59,799 INFO L87 Difference]: Start difference. First operand 1735 states and 3068 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:37:00,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:37:00,531 INFO L93 Difference]: Finished difference Result 4457 states and 7959 transitions. [2023-12-21 09:37:00,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-21 09:37:00,531 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 88 [2023-12-21 09:37:00,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:37:00,541 INFO L225 Difference]: With dead ends: 4457 [2023-12-21 09:37:00,541 INFO L226 Difference]: Without dead ends: 2892 [2023-12-21 09:37:00,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:37:00,545 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 590 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 968 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-21 09:37:00,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 464 Invalid, 1161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 968 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-21 09:37:00,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2892 states. [2023-12-21 09:37:00,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2892 to 2763. [2023-12-21 09:37:00,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 2553 states have (on average 1.762632197414806) internal successors, (4500), 2557 states have internal predecessors, (4500), 193 states have call successors, (193), 14 states have call predecessors, (193), 16 states have return successors, (195), 191 states have call predecessors, (195), 192 states have call successors, (195) [2023-12-21 09:37:00,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 4888 transitions. [2023-12-21 09:37:00,618 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 4888 transitions. Word has length 88 [2023-12-21 09:37:00,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:37:00,619 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 4888 transitions. [2023-12-21 09:37:00,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:37:00,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 4888 transitions. [2023-12-21 09:37:00,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-21 09:37:00,626 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:37:00,626 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 09:37:00,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-21 09:37:00,627 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:37:00,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:37:00,627 INFO L85 PathProgramCache]: Analyzing trace with hash 7536338, now seen corresponding path program 1 times [2023-12-21 09:37:00,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:37:00,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93217332] [2023-12-21 09:37:00,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:37:00,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:37:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:00,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:37:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:00,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:37:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:00,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 09:37:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:00,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-21 09:37:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:00,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-12-21 09:37:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:00,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-21 09:37:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:00,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-21 09:37:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:00,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-21 09:37:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:00,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 09:37:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:00,684 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-21 09:37:00,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:37:00,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93217332] [2023-12-21 09:37:00,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93217332] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:37:00,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:37:00,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 09:37:00,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738754651] [2023-12-21 09:37:00,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:37:00,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 09:37:00,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:37:00,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 09:37:00,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 09:37:00,686 INFO L87 Difference]: Start difference. First operand 2763 states and 4888 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:37:01,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:37:01,539 INFO L93 Difference]: Finished difference Result 6944 states and 12406 transitions. [2023-12-21 09:37:01,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-21 09:37:01,540 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2023-12-21 09:37:01,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:37:01,555 INFO L225 Difference]: With dead ends: 6944 [2023-12-21 09:37:01,555 INFO L226 Difference]: Without dead ends: 4526 [2023-12-21 09:37:01,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:37:01,562 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 586 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 981 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-21 09:37:01,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [604 Valid, 460 Invalid, 1170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 981 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-21 09:37:01,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4526 states. [2023-12-21 09:37:01,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4526 to 4397. [2023-12-21 09:37:01,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4397 states, 4070 states have (on average 1.7572481572481573) internal successors, (7152), 4074 states have internal predecessors, (7152), 310 states have call successors, (310), 14 states have call predecessors, (310), 16 states have return successors, (312), 308 states have call predecessors, (312), 309 states have call successors, (312) [2023-12-21 09:37:01,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4397 states to 4397 states and 7774 transitions. [2023-12-21 09:37:01,657 INFO L78 Accepts]: Start accepts. Automaton has 4397 states and 7774 transitions. Word has length 89 [2023-12-21 09:37:01,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:37:01,658 INFO L495 AbstractCegarLoop]: Abstraction has 4397 states and 7774 transitions. [2023-12-21 09:37:01,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:37:01,658 INFO L276 IsEmpty]: Start isEmpty. Operand 4397 states and 7774 transitions. [2023-12-21 09:37:01,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-21 09:37:01,667 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:37:01,667 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 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] [2023-12-21 09:37:01,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-21 09:37:01,668 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:37:01,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:37:01,668 INFO L85 PathProgramCache]: Analyzing trace with hash -499641679, now seen corresponding path program 2 times [2023-12-21 09:37:01,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:37:01,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834350273] [2023-12-21 09:37:01,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:37:01,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:37:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:01,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:37:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:01,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:37:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:01,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 09:37:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:01,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-21 09:37:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:01,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-12-21 09:37:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:01,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-21 09:37:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:01,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-21 09:37:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:01,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-21 09:37:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:01,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-12-21 09:37:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:01,772 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-12-21 09:37:01,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:37:01,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834350273] [2023-12-21 09:37:01,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834350273] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:37:01,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:37:01,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 09:37:01,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391113181] [2023-12-21 09:37:01,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:37:01,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 09:37:01,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:37:01,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 09:37:01,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 09:37:01,773 INFO L87 Difference]: Start difference. First operand 4397 states and 7774 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:37:02,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:37:02,586 INFO L93 Difference]: Finished difference Result 7846 states and 13920 transitions. [2023-12-21 09:37:02,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-21 09:37:02,586 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2023-12-21 09:37:02,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:37:02,600 INFO L225 Difference]: With dead ends: 7846 [2023-12-21 09:37:02,600 INFO L226 Difference]: Without dead ends: 4526 [2023-12-21 09:37:02,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:37:02,607 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 594 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 1011 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 802 SdHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 1011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-21 09:37:02,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 802 Invalid, 1185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 1011 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-21 09:37:02,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4526 states. [2023-12-21 09:37:02,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4526 to 4397. [2023-12-21 09:37:02,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4397 states, 4070 states have (on average 1.7476658476658478) internal successors, (7113), 4074 states have internal predecessors, (7113), 310 states have call successors, (310), 14 states have call predecessors, (310), 16 states have return successors, (312), 308 states have call predecessors, (312), 309 states have call successors, (312) [2023-12-21 09:37:02,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4397 states to 4397 states and 7735 transitions. [2023-12-21 09:37:02,706 INFO L78 Accepts]: Start accepts. Automaton has 4397 states and 7735 transitions. Word has length 89 [2023-12-21 09:37:02,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:37:02,707 INFO L495 AbstractCegarLoop]: Abstraction has 4397 states and 7735 transitions. [2023-12-21 09:37:02,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:37:02,707 INFO L276 IsEmpty]: Start isEmpty. Operand 4397 states and 7735 transitions. [2023-12-21 09:37:02,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-21 09:37:02,744 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:37:02,744 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 09:37:02,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-21 09:37:02,744 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:37:02,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:37:02,744 INFO L85 PathProgramCache]: Analyzing trace with hash -414590653, now seen corresponding path program 1 times [2023-12-21 09:37:02,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:37:02,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187020503] [2023-12-21 09:37:02,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:37:02,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:37:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:02,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:37:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:02,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:37:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:02,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 09:37:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:02,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-12-21 09:37:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:02,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-21 09:37:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:02,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-12-21 09:37:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:02,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-12-21 09:37:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:02,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-12-21 09:37:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:02,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-21 09:37:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:02,806 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-21 09:37:02,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:37:02,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187020503] [2023-12-21 09:37:02,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187020503] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:37:02,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:37:02,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 09:37:02,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341022010] [2023-12-21 09:37:02,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:37:02,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 09:37:02,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:37:02,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 09:37:02,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 09:37:02,808 INFO L87 Difference]: Start difference. First operand 4397 states and 7735 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:37:03,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:37:03,606 INFO L93 Difference]: Finished difference Result 11531 states and 20464 transitions. [2023-12-21 09:37:03,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-21 09:37:03,606 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 90 [2023-12-21 09:37:03,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:37:03,629 INFO L225 Difference]: With dead ends: 11531 [2023-12-21 09:37:03,629 INFO L226 Difference]: Without dead ends: 7636 [2023-12-21 09:37:03,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:37:03,637 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 584 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 1209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-21 09:37:03,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 472 Invalid, 1209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-21 09:37:03,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7636 states. [2023-12-21 09:37:03,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7636 to 7507. [2023-12-21 09:37:03,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7507 states, 6964 states have (on average 1.7406662837449742) internal successors, (12122), 6968 states have internal predecessors, (12122), 526 states have call successors, (526), 14 states have call predecessors, (526), 16 states have return successors, (528), 524 states have call predecessors, (528), 525 states have call successors, (528) [2023-12-21 09:37:03,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7507 states to 7507 states and 13176 transitions. [2023-12-21 09:37:03,827 INFO L78 Accepts]: Start accepts. Automaton has 7507 states and 13176 transitions. Word has length 90 [2023-12-21 09:37:03,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:37:03,827 INFO L495 AbstractCegarLoop]: Abstraction has 7507 states and 13176 transitions. [2023-12-21 09:37:03,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:37:03,827 INFO L276 IsEmpty]: Start isEmpty. Operand 7507 states and 13176 transitions. [2023-12-21 09:37:03,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-21 09:37:03,841 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:37:03,842 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 09:37:03,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-21 09:37:03,842 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:37:03,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:37:03,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1872232932, now seen corresponding path program 1 times [2023-12-21 09:37:03,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:37:03,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563181909] [2023-12-21 09:37:03,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:37:03,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:37:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:03,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:37:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:03,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:37:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:03,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 09:37:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:03,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-21 09:37:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:03,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-21 09:37:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:03,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-12-21 09:37:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:03,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-21 09:37:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:03,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-12-21 09:37:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:03,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-12-21 09:37:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:03,894 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-21 09:37:03,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:37:03,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563181909] [2023-12-21 09:37:03,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563181909] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:37:03,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:37:03,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 09:37:03,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452363225] [2023-12-21 09:37:03,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:37:03,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 09:37:03,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:37:03,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 09:37:03,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 09:37:03,896 INFO L87 Difference]: Start difference. First operand 7507 states and 13176 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:37:04,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:37:04,735 INFO L93 Difference]: Finished difference Result 17214 states and 30242 transitions. [2023-12-21 09:37:04,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-21 09:37:04,736 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 91 [2023-12-21 09:37:04,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:37:04,757 INFO L225 Difference]: With dead ends: 17214 [2023-12-21 09:37:04,758 INFO L226 Difference]: Without dead ends: 10966 [2023-12-21 09:37:04,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:37:04,766 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 581 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 989 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 1166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-21 09:37:04,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [599 Valid, 439 Invalid, 1166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 989 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-21 09:37:04,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10966 states. [2023-12-21 09:37:04,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10966 to 10837. [2023-12-21 09:37:04,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10837 states, 10294 states have (on average 1.7193510782980377) internal successors, (17699), 10298 states have internal predecessors, (17699), 526 states have call successors, (526), 14 states have call predecessors, (526), 16 states have return successors, (528), 524 states have call predecessors, (528), 525 states have call successors, (528) [2023-12-21 09:37:05,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10837 states to 10837 states and 18753 transitions. [2023-12-21 09:37:05,042 INFO L78 Accepts]: Start accepts. Automaton has 10837 states and 18753 transitions. Word has length 91 [2023-12-21 09:37:05,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:37:05,043 INFO L495 AbstractCegarLoop]: Abstraction has 10837 states and 18753 transitions. [2023-12-21 09:37:05,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:37:05,043 INFO L276 IsEmpty]: Start isEmpty. Operand 10837 states and 18753 transitions. [2023-12-21 09:37:05,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-21 09:37:05,058 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:37:05,058 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 09:37:05,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-21 09:37:05,059 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:37:05,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:37:05,059 INFO L85 PathProgramCache]: Analyzing trace with hash 352054725, now seen corresponding path program 1 times [2023-12-21 09:37:05,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:37:05,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712275387] [2023-12-21 09:37:05,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:37:05,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:37:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:05,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:37:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:05,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:37:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:05,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 09:37:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:05,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-12-21 09:37:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:05,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-12-21 09:37:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:05,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-21 09:37:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:05,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-21 09:37:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:05,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-12-21 09:37:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:05,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-21 09:37:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:05,127 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-21 09:37:05,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:37:05,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712275387] [2023-12-21 09:37:05,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712275387] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:37:05,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:37:05,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 09:37:05,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712979091] [2023-12-21 09:37:05,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:37:05,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 09:37:05,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:37:05,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 09:37:05,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 09:37:05,128 INFO L87 Difference]: Start difference. First operand 10837 states and 18753 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:37:06,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:37:06,064 INFO L93 Difference]: Finished difference Result 28965 states and 50386 transitions. [2023-12-21 09:37:06,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-21 09:37:06,064 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 92 [2023-12-21 09:37:06,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:37:06,099 INFO L225 Difference]: With dead ends: 28965 [2023-12-21 09:37:06,099 INFO L226 Difference]: Without dead ends: 19688 [2023-12-21 09:37:06,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:37:06,109 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 580 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 1013 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 598 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 1013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-21 09:37:06,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [598 Valid, 472 Invalid, 1197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 1013 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-21 09:37:06,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19688 states. [2023-12-21 09:37:06,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19688 to 19559. [2023-12-21 09:37:06,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19559 states, 18605 states have (on average 1.7069604944907284) internal successors, (31758), 18609 states have internal predecessors, (31758), 937 states have call successors, (937), 14 states have call predecessors, (937), 16 states have return successors, (939), 935 states have call predecessors, (939), 936 states have call successors, (939) [2023-12-21 09:37:06,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19559 states to 19559 states and 33634 transitions. [2023-12-21 09:37:06,576 INFO L78 Accepts]: Start accepts. Automaton has 19559 states and 33634 transitions. Word has length 92 [2023-12-21 09:37:06,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:37:06,576 INFO L495 AbstractCegarLoop]: Abstraction has 19559 states and 33634 transitions. [2023-12-21 09:37:06,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:37:06,577 INFO L276 IsEmpty]: Start isEmpty. Operand 19559 states and 33634 transitions. [2023-12-21 09:37:06,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-21 09:37:06,600 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:37:06,600 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 09:37:06,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-21 09:37:06,600 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:37:06,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:37:06,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1263020630, now seen corresponding path program 1 times [2023-12-21 09:37:06,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:37:06,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33015522] [2023-12-21 09:37:06,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:37:06,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:37:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:06,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:37:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:06,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:37:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:06,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 09:37:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:06,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-12-21 09:37:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:06,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-12-21 09:37:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:06,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-12-21 09:37:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:06,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-12-21 09:37:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:06,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-12-21 09:37:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:06,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-12-21 09:37:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:06,665 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-21 09:37:06,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:37:06,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33015522] [2023-12-21 09:37:06,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33015522] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:37:06,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:37:06,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 09:37:06,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333779619] [2023-12-21 09:37:06,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:37:06,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 09:37:06,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:37:06,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 09:37:06,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 09:37:06,667 INFO L87 Difference]: Start difference. First operand 19559 states and 33634 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:37:07,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:37:07,881 INFO L93 Difference]: Finished difference Result 53892 states and 92983 transitions. [2023-12-21 09:37:07,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-21 09:37:07,882 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 93 [2023-12-21 09:37:07,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:37:07,977 INFO L225 Difference]: With dead ends: 53892 [2023-12-21 09:37:07,977 INFO L226 Difference]: Without dead ends: 36412 [2023-12-21 09:37:07,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:37:07,997 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 579 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 984 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-21 09:37:07,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [595 Valid, 465 Invalid, 1170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 984 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-21 09:37:08,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36412 states. [2023-12-21 09:37:08,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36412 to 36283. [2023-12-21 09:37:08,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36283 states, 34531 states have (on average 1.692218586197909) internal successors, (58434), 34535 states have internal predecessors, (58434), 1735 states have call successors, (1735), 14 states have call predecessors, (1735), 16 states have return successors, (1737), 1733 states have call predecessors, (1737), 1734 states have call successors, (1737) [2023-12-21 09:37:08,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36283 states to 36283 states and 61906 transitions. [2023-12-21 09:37:08,843 INFO L78 Accepts]: Start accepts. Automaton has 36283 states and 61906 transitions. Word has length 93 [2023-12-21 09:37:08,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:37:08,843 INFO L495 AbstractCegarLoop]: Abstraction has 36283 states and 61906 transitions. [2023-12-21 09:37:08,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:37:08,844 INFO L276 IsEmpty]: Start isEmpty. Operand 36283 states and 61906 transitions. [2023-12-21 09:37:08,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-21 09:37:08,871 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:37:08,871 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 09:37:08,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-21 09:37:08,871 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:37:08,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:37:08,871 INFO L85 PathProgramCache]: Analyzing trace with hash 2131663687, now seen corresponding path program 1 times [2023-12-21 09:37:08,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:37:08,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823661367] [2023-12-21 09:37:08,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:37:08,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:37:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:09,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:37:09,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:09,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:37:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:09,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 09:37:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:09,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-12-21 09:37:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:09,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-12-21 09:37:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:09,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-21 09:37:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:09,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-21 09:37:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:09,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-21 09:37:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:09,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-12-21 09:37:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:09,060 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-21 09:37:09,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:37:09,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823661367] [2023-12-21 09:37:09,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823661367] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:37:09,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:37:09,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 09:37:09,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669275680] [2023-12-21 09:37:09,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:37:09,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 09:37:09,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:37:09,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 09:37:09,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 09:37:09,062 INFO L87 Difference]: Start difference. First operand 36283 states and 61906 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:37:10,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:37:10,409 INFO L93 Difference]: Finished difference Result 68913 states and 117575 transitions. [2023-12-21 09:37:10,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-21 09:37:10,410 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 94 [2023-12-21 09:37:10,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:37:10,550 INFO L225 Difference]: With dead ends: 68913 [2023-12-21 09:37:10,550 INFO L226 Difference]: Without dead ends: 68793 [2023-12-21 09:37:10,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-12-21 09:37:10,570 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 576 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-21 09:37:10,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [595 Valid, 465 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-21 09:37:10,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68793 states. [2023-12-21 09:37:11,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68793 to 68664. [2023-12-21 09:37:11,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68664 states, 65343 states have (on average 1.6753133464946512) internal successors, (109470), 65347 states have internal predecessors, (109470), 3304 states have call successors, (3304), 14 states have call predecessors, (3304), 16 states have return successors, (3306), 3302 states have call predecessors, (3306), 3303 states have call successors, (3306) [2023-12-21 09:37:11,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68664 states to 68664 states and 116080 transitions. [2023-12-21 09:37:11,895 INFO L78 Accepts]: Start accepts. Automaton has 68664 states and 116080 transitions. Word has length 94 [2023-12-21 09:37:11,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:37:11,896 INFO L495 AbstractCegarLoop]: Abstraction has 68664 states and 116080 transitions. [2023-12-21 09:37:11,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-21 09:37:11,896 INFO L276 IsEmpty]: Start isEmpty. Operand 68664 states and 116080 transitions. [2023-12-21 09:37:11,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-21 09:37:11,925 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:37:11,926 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 09:37:11,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-21 09:37:11,926 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:37:11,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:37:11,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1192217560, now seen corresponding path program 1 times [2023-12-21 09:37:11,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:37:11,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309653793] [2023-12-21 09:37:11,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:37:11,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:37:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:12,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:37:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:12,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:37:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:12,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 09:37:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:12,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-21 09:37:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:12,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 09:37:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:12,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 09:37:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:12,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-21 09:37:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:12,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-21 09:37:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:12,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-12-21 09:37:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:12,569 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-21 09:37:12,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:37:12,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309653793] [2023-12-21 09:37:12,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309653793] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 09:37:12,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075439155] [2023-12-21 09:37:12,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:37:12,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:37:12,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 09:37:12,571 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) [2023-12-21 09:37:12,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-21 09:37:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:12,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-21 09:37:12,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 09:37:13,089 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-21 09:37:13,090 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 09:37:13,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075439155] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:37:13,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 09:37:13,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [17] total 26 [2023-12-21 09:37:13,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359705742] [2023-12-21 09:37:13,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:37:13,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-21 09:37:13,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:37:13,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-21 09:37:13,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2023-12-21 09:37:13,091 INFO L87 Difference]: Start difference. First operand 68664 states and 116080 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 5 states have call successors, (12), 5 states have call predecessors, (12), 6 states have return successors, (9), 6 states have call predecessors, (9), 5 states have call successors, (9) [2023-12-21 09:37:14,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:37:14,085 INFO L93 Difference]: Finished difference Result 68912 states and 116444 transitions. [2023-12-21 09:37:14,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-21 09:37:14,086 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 5 states have call successors, (12), 5 states have call predecessors, (12), 6 states have return successors, (9), 6 states have call predecessors, (9), 5 states have call successors, (9) Word has length 95 [2023-12-21 09:37:14,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:37:14,223 INFO L225 Difference]: With dead ends: 68912 [2023-12-21 09:37:14,223 INFO L226 Difference]: Without dead ends: 68797 [2023-12-21 09:37:14,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=167, Invalid=1239, Unknown=0, NotChecked=0, Total=1406 [2023-12-21 09:37:14,244 INFO L413 NwaCegarLoop]: 327 mSDtfsCounter, 494 mSDsluCounter, 2480 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 2807 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-21 09:37:14,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 2807 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-21 09:37:14,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68797 states. [2023-12-21 09:37:15,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68797 to 68787. [2023-12-21 09:37:15,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68787 states, 65431 states have (on average 1.675016429521175) internal successors, (109598), 65436 states have internal predecessors, (109598), 3326 states have call successors, (3326), 25 states have call predecessors, (3326), 29 states have return successors, (3342), 3325 states have call predecessors, (3342), 3324 states have call successors, (3342) [2023-12-21 09:37:15,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68787 states to 68787 states and 116266 transitions. [2023-12-21 09:37:15,816 INFO L78 Accepts]: Start accepts. Automaton has 68787 states and 116266 transitions. Word has length 95 [2023-12-21 09:37:15,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:37:15,816 INFO L495 AbstractCegarLoop]: Abstraction has 68787 states and 116266 transitions. [2023-12-21 09:37:15,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 5 states have call successors, (12), 5 states have call predecessors, (12), 6 states have return successors, (9), 6 states have call predecessors, (9), 5 states have call successors, (9) [2023-12-21 09:37:15,817 INFO L276 IsEmpty]: Start isEmpty. Operand 68787 states and 116266 transitions. [2023-12-21 09:37:15,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-21 09:37:15,845 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 09:37:15,845 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-21 09:37:15,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-21 09:37:16,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 09:37:16,053 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 09:37:16,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 09:37:16,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1622004785, now seen corresponding path program 1 times [2023-12-21 09:37:16,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 09:37:16,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743775680] [2023-12-21 09:37:16,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 09:37:16,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 09:37:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:16,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-21 09:37:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:16,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-21 09:37:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:16,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-21 09:37:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:16,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-21 09:37:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:16,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-21 09:37:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:16,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-12-21 09:37:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:16,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-21 09:37:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:16,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-21 09:37:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:16,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-21 09:37:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 09:37:16,160 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-21 09:37:16,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 09:37:16,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743775680] [2023-12-21 09:37:16,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743775680] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 09:37:16,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 09:37:16,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-21 09:37:16,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033444098] [2023-12-21 09:37:16,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 09:37:16,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-21 09:37:16,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 09:37:16,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-21 09:37:16,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-21 09:37:16,163 INFO L87 Difference]: Start difference. First operand 68787 states and 116266 transitions. Second operand has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2023-12-21 09:37:17,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 09:37:17,945 INFO L93 Difference]: Finished difference Result 69024 states and 116723 transitions. [2023-12-21 09:37:17,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-21 09:37:17,946 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2023-12-21 09:37:17,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 09:37:17,946 INFO L225 Difference]: With dead ends: 69024 [2023-12-21 09:37:17,946 INFO L226 Difference]: Without dead ends: 0 [2023-12-21 09:37:17,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2023-12-21 09:37:17,986 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 506 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 1690 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 1856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 1690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-21 09:37:17,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [520 Valid, 668 Invalid, 1856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 1690 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-21 09:37:17,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-21 09:37:17,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-21 09:37:17,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 09:37:17,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-21 09:37:17,992 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 96 [2023-12-21 09:37:17,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 09:37:17,993 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-21 09:37:17,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2023-12-21 09:37:17,993 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-21 09:37:17,993 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-21 09:37:17,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-21 09:37:17,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-21 09:37:17,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-21 09:37:50,913 WARN L293 SmtUtils]: Spent 26.15s on a formula simplification. DAG size of input: 1127 DAG size of output: 1126 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-21 09:38:25,510 WARN L293 SmtUtils]: Spent 25.81s on a formula simplification. DAG size of input: 1127 DAG size of output: 1126 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-21 09:40:44,003 WARN L293 SmtUtils]: Spent 2.11m on a formula simplification. DAG size of input: 2390 DAG size of output: 2388 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-21 09:41:17,158 WARN L293 SmtUtils]: Spent 26.83s on a formula simplification. DAG size of input: 1127 DAG size of output: 1126 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-21 09:41:54,216 WARN L293 SmtUtils]: Spent 25.42s on a formula simplification. DAG size of input: 1126 DAG size of output: 13 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-21 09:42:19,322 WARN L293 SmtUtils]: Spent 24.99s on a formula simplification. DAG size of input: 1126 DAG size of output: 13 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-21 09:44:14,941 WARN L293 SmtUtils]: Spent 1.92m on a formula simplification. DAG size of input: 2388 DAG size of output: 11 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-21 09:44:40,186 WARN L293 SmtUtils]: Spent 25.16s on a formula simplification. DAG size of input: 1126 DAG size of output: 13 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-21 09:44:40,275 INFO L899 garLoopResultBuilder]: For program point L2401-1(line 2401) no Hoare annotation was computed. [2023-12-21 09:44:40,275 INFO L895 garLoopResultBuilder]: At program point L2401(line 2401) the Hoare annotation is: (or (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) (< ~rjh~0 2)) [2023-12-21 09:44:40,275 INFO L895 garLoopResultBuilder]: At program point L2398(line 2398) the Hoare annotation is: (or (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) (< ~rjh~0 2)) [2023-12-21 09:44:40,275 INFO L899 garLoopResultBuilder]: For program point L2398-1(line 2398) no Hoare annotation was computed. [2023-12-21 09:44:40,276 INFO L899 garLoopResultBuilder]: For program point L2394(lines 2394 2413) no Hoare annotation was computed. [2023-12-21 09:44:40,276 INFO L899 garLoopResultBuilder]: For program point L2391-1(line 2391) no Hoare annotation was computed. [2023-12-21 09:44:40,276 INFO L899 garLoopResultBuilder]: For program point outgoingEXIT(lines 2380 2416) no Hoare annotation was computed. [2023-12-21 09:44:40,276 INFO L895 garLoopResultBuilder]: At program point L2391(line 2391) the Hoare annotation is: (or (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) (< ~rjh~0 2)) [2023-12-21 09:44:40,276 INFO L899 garLoopResultBuilder]: For program point L2411-1(lines 2380 2416) no Hoare annotation was computed. [2023-12-21 09:44:40,276 INFO L895 garLoopResultBuilder]: At program point L2411(line 2411) the Hoare annotation is: (or (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) (< ~rjh~0 2)) [2023-12-21 09:44:40,276 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 2380 2416) the Hoare annotation is: (or (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) (< ~rjh~0 2)) [2023-12-21 09:44:40,276 INFO L902 garLoopResultBuilder]: At program point L2406(line 2406) the Hoare annotation is: true [2023-12-21 09:44:40,276 INFO L902 garLoopResultBuilder]: At program point L2404(line 2404) the Hoare annotation is: true [2023-12-21 09:44:40,278 INFO L899 garLoopResultBuilder]: For program point L2405(line 2405) no Hoare annotation was computed. [2023-12-21 09:44:40,278 INFO L902 garLoopResultBuilder]: At program point L2406-1(line 2406) the Hoare annotation is: true [2023-12-21 09:44:40,278 INFO L895 garLoopResultBuilder]: At program point L2403-1(line 2403) the Hoare annotation is: (or (< ~rjh~0 2) (and (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0))) [2023-12-21 09:44:40,278 INFO L895 garLoopResultBuilder]: At program point L2403(line 2403) the Hoare annotation is: (or (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) (< ~rjh~0 2)) [2023-12-21 09:44:40,278 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 192) no Hoare annotation was computed. [2023-12-21 09:44:40,278 INFO L899 garLoopResultBuilder]: For program point L188-2(lines 181 196) no Hoare annotation was computed. [2023-12-21 09:44:40,278 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 181 196) the Hoare annotation is: (or (< ~rjh~0 2) (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|))) [2023-12-21 09:44:40,278 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 193) no Hoare annotation was computed. [2023-12-21 09:44:40,278 INFO L899 garLoopResultBuilder]: For program point setEmailToEXIT(lines 181 196) no Hoare annotation was computed. [2023-12-21 09:44:40,278 INFO L899 garLoopResultBuilder]: For program point getEmailToFINAL(lines 162 180) no Hoare annotation was computed. [2023-12-21 09:44:40,278 INFO L899 garLoopResultBuilder]: For program point getEmailToEXIT(lines 162 180) no Hoare annotation was computed. [2023-12-21 09:44:40,278 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 176) no Hoare annotation was computed. [2023-12-21 09:44:40,279 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 162 180) the Hoare annotation is: true [2023-12-21 09:44:40,279 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 177) no Hoare annotation was computed. [2023-12-21 09:44:40,279 INFO L899 garLoopResultBuilder]: For program point L1424(lines 1424 1428) no Hoare annotation was computed. [2023-12-21 09:44:40,279 INFO L899 garLoopResultBuilder]: For program point L1424-2(lines 1414 1433) no Hoare annotation was computed. [2023-12-21 09:44:40,279 INFO L899 garLoopResultBuilder]: For program point L1421(lines 1421 1429) no Hoare annotation was computed. [2023-12-21 09:44:40,279 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1430) no Hoare annotation was computed. [2023-12-21 09:44:40,279 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1414 1433) the Hoare annotation is: true [2023-12-21 09:44:40,279 INFO L899 garLoopResultBuilder]: For program point setClientAddressBookSizeEXIT(lines 1414 1433) no Hoare annotation was computed. [2023-12-21 09:44:40,279 INFO L895 garLoopResultBuilder]: At program point L2656(line 2656) the Hoare annotation is: (or (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0) (<= 2 |sendEmail_createEmail_~to#1|)) (< |sendEmail_#in~receiver#1| 2) (< ~rjh~0 2)) [2023-12-21 09:44:40,279 INFO L899 garLoopResultBuilder]: For program point L2657(line 2657) no Hoare annotation was computed. [2023-12-21 09:44:40,279 INFO L899 garLoopResultBuilder]: For program point sendEmailEXIT(lines 2491 2503) no Hoare annotation was computed. [2023-12-21 09:44:40,279 INFO L895 garLoopResultBuilder]: At program point L2656-1(line 2656) the Hoare annotation is: (or (< |sendEmail_#in~receiver#1| 2) (< ~rjh~0 2) (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (<= 2 |sendEmail_createEmail_~to#1|))) [2023-12-21 09:44:40,279 INFO L899 garLoopResultBuilder]: For program point sendEmailFINAL(lines 2491 2503) no Hoare annotation was computed. [2023-12-21 09:44:40,279 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 2491 2503) the Hoare annotation is: (or (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) (< |sendEmail_#in~receiver#1| 2) (< ~rjh~0 2)) [2023-12-21 09:44:40,279 INFO L902 garLoopResultBuilder]: At program point L2499(line 2499) the Hoare annotation is: true [2023-12-21 09:44:40,280 INFO L899 garLoopResultBuilder]: For program point getClientAddressBookSizeFINAL(lines 1390 1413) no Hoare annotation was computed. [2023-12-21 09:44:40,280 INFO L899 garLoopResultBuilder]: For program point L1402(lines 1402 1408) no Hoare annotation was computed. [2023-12-21 09:44:40,280 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1390 1413) the Hoare annotation is: true [2023-12-21 09:44:40,280 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1409) no Hoare annotation was computed. [2023-12-21 09:44:40,280 INFO L899 garLoopResultBuilder]: For program point getClientAddressBookSizeEXIT(lines 1390 1413) no Hoare annotation was computed. [2023-12-21 09:44:40,280 INFO L899 garLoopResultBuilder]: For program point L1394(lines 1394 1410) no Hoare annotation was computed. [2023-12-21 09:44:40,280 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1711) no Hoare annotation was computed. [2023-12-21 09:44:40,280 INFO L899 garLoopResultBuilder]: For program point getClientAddressBookAddressFINAL(lines 1671 1739) no Hoare annotation was computed. [2023-12-21 09:44:40,280 INFO L899 garLoopResultBuilder]: For program point L1722(lines 1722 1728) no Hoare annotation was computed. [2023-12-21 09:44:40,280 INFO L899 garLoopResultBuilder]: For program point L1718(lines 1718 1729) no Hoare annotation was computed. [2023-12-21 09:44:40,280 INFO L899 garLoopResultBuilder]: For program point L1714(lines 1714 1730) no Hoare annotation was computed. [2023-12-21 09:44:40,280 INFO L899 garLoopResultBuilder]: For program point L1675(lines 1675 1736) no Hoare annotation was computed. [2023-12-21 09:44:40,281 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1671 1739) the Hoare annotation is: true [2023-12-21 09:44:40,281 INFO L899 garLoopResultBuilder]: For program point L1694(lines 1694 1735) no Hoare annotation was computed. [2023-12-21 09:44:40,281 INFO L899 garLoopResultBuilder]: For program point getClientAddressBookAddressEXIT(lines 1671 1739) no Hoare annotation was computed. [2023-12-21 09:44:40,281 INFO L899 garLoopResultBuilder]: For program point L1684(lines 1684 1690) no Hoare annotation was computed. [2023-12-21 09:44:40,281 INFO L899 garLoopResultBuilder]: For program point L1713(lines 1713 1734) no Hoare annotation was computed. [2023-12-21 09:44:40,281 INFO L899 garLoopResultBuilder]: For program point L1680(lines 1680 1691) no Hoare annotation was computed. [2023-12-21 09:44:40,281 INFO L899 garLoopResultBuilder]: For program point L1676(lines 1676 1692) no Hoare annotation was computed. [2023-12-21 09:44:40,281 INFO L899 garLoopResultBuilder]: For program point L1703(lines 1703 1709) no Hoare annotation was computed. [2023-12-21 09:44:40,281 INFO L899 garLoopResultBuilder]: For program point L1699(lines 1699 1710) no Hoare annotation was computed. [2023-12-21 09:44:40,281 INFO L895 garLoopResultBuilder]: At program point L2554(line 2554) the Hoare annotation is: (or (< ~rjh~0 2) (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|))) [2023-12-21 09:44:40,281 INFO L899 garLoopResultBuilder]: For program point L2554-1(line 2554) no Hoare annotation was computed. [2023-12-21 09:44:40,281 INFO L899 garLoopResultBuilder]: For program point L1811(lines 1811 1817) no Hoare annotation was computed. [2023-12-21 09:44:40,281 INFO L899 garLoopResultBuilder]: For program point L1803(lines 1803 1819) no Hoare annotation was computed. [2023-12-21 09:44:40,281 INFO L899 garLoopResultBuilder]: For program point outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1247) no Hoare annotation was computed. [2023-12-21 09:44:40,282 INFO L899 garLoopResultBuilder]: For program point outgoing__wrappee__AutoResponderEXIT(lines 2368 2379) no Hoare annotation was computed. [2023-12-21 09:44:40,282 INFO L899 garLoopResultBuilder]: For program point L2621-1(line 2621) no Hoare annotation was computed. [2023-12-21 09:44:40,282 INFO L902 garLoopResultBuilder]: At program point L2621(line 2621) the Hoare annotation is: true [2023-12-21 09:44:40,282 INFO L895 garLoopResultBuilder]: At program point L2374(line 2374) the Hoare annotation is: (or (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) (< ~rjh~0 2)) [2023-12-21 09:44:40,282 INFO L899 garLoopResultBuilder]: For program point L2374-1(line 2374) no Hoare annotation was computed. [2023-12-21 09:44:40,282 INFO L899 garLoopResultBuilder]: For program point L2242(lines 2242 2253) no Hoare annotation was computed. [2023-12-21 09:44:40,282 INFO L899 garLoopResultBuilder]: For program point getClientForwardReceiver_returnLabel#1(lines 2234 2257) no Hoare annotation was computed. [2023-12-21 09:44:40,282 INFO L899 garLoopResultBuilder]: For program point L2465(lines 2465 2472) no Hoare annotation was computed. [2023-12-21 09:44:40,282 INFO L899 garLoopResultBuilder]: For program point L2465-2(lines 2455 2475) no Hoare annotation was computed. [2023-12-21 09:44:40,282 INFO L899 garLoopResultBuilder]: For program point L2589-1(line 2589) no Hoare annotation was computed. [2023-12-21 09:44:40,282 INFO L895 garLoopResultBuilder]: At program point L2556(line 2556) the Hoare annotation is: (or (< ~rjh~0 2) (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|))) [2023-12-21 09:44:40,282 INFO L895 garLoopResultBuilder]: At program point L2589(line 2589) the Hoare annotation is: (or (< ~rjh~0 2) (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|))) [2023-12-21 09:44:40,282 INFO L902 garLoopResultBuilder]: At program point L2556-1(line 2556) the Hoare annotation is: true [2023-12-21 09:44:40,283 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 2368 2379) the Hoare annotation is: (or (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|) (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0)) (< ~rjh~0 2)) [2023-12-21 09:44:40,283 INFO L899 garLoopResultBuilder]: For program point L96(lines 96 102) no Hoare annotation was computed. [2023-12-21 09:44:40,283 INFO L899 garLoopResultBuilder]: For program point L2557(lines 2542 2561) no Hoare annotation was computed. [2023-12-21 09:44:40,283 INFO L899 garLoopResultBuilder]: For program point L2293(lines 2293 2299) no Hoare annotation was computed. [2023-12-21 09:44:40,283 INFO L899 garLoopResultBuilder]: For program point L2285(lines 2285 2301) no Hoare annotation was computed. [2023-12-21 09:44:40,283 INFO L899 garLoopResultBuilder]: For program point L2467-1(line 2467) no Hoare annotation was computed. [2023-12-21 09:44:40,283 INFO L902 garLoopResultBuilder]: At program point L2467(line 2467) the Hoare annotation is: true [2023-12-21 09:44:40,283 INFO L902 garLoopResultBuilder]: At program point L2624(line 2624) the Hoare annotation is: true [2023-12-21 09:44:40,283 INFO L899 garLoopResultBuilder]: For program point L2591(lines 2591 2597) no Hoare annotation was computed. [2023-12-21 09:44:40,283 INFO L899 garLoopResultBuilder]: For program point L2624-1(line 2624) no Hoare annotation was computed. [2023-12-21 09:44:40,283 INFO L899 garLoopResultBuilder]: For program point L2591-2(lines 2583 2600) no Hoare annotation was computed. [2023-12-21 09:44:40,283 INFO L899 garLoopResultBuilder]: For program point L1807(lines 1807 1818) no Hoare annotation was computed. [2023-12-21 09:44:40,283 INFO L902 garLoopResultBuilder]: At program point L2576(line 2576) the Hoare annotation is: true [2023-12-21 09:44:40,283 INFO L899 garLoopResultBuilder]: For program point L2576-1(lines 2569 2580) no Hoare annotation was computed. [2023-12-21 09:44:40,283 INFO L899 garLoopResultBuilder]: For program point L2246(lines 2246 2252) no Hoare annotation was computed. [2023-12-21 09:44:40,283 INFO L899 garLoopResultBuilder]: For program point L1247(line 1247) no Hoare annotation was computed. [2023-12-21 09:44:40,283 INFO L899 garLoopResultBuilder]: For program point L2238(lines 2238 2254) no Hoare annotation was computed. [2023-12-21 09:44:40,283 INFO L895 garLoopResultBuilder]: At program point L2362(line 2362) the Hoare annotation is: (or (< ~rjh~0 2) (and (= ~__ste_email_to0~0 |old(~__ste_email_to0~0)|) (= ~__ste_email_to1~0 |old(~__ste_email_to1~0)|))) [2023-12-21 09:44:40,284 INFO L902 garLoopResultBuilder]: At program point L2618(line 2618) the Hoare annotation is: true [2023-12-21 09:44:40,284 INFO L899 garLoopResultBuilder]: For program point L2362-1(line 2362) no Hoare annotation was computed. [2023-12-21 09:44:40,284 INFO L899 garLoopResultBuilder]: For program point L2618-1(line 2618) no Hoare annotation was computed. [2023-12-21 09:44:40,284 INFO L899 garLoopResultBuilder]: For program point L2445(lines 2445 2451) no Hoare annotation was computed. [2023-12-21 09:44:40,284 INFO L899 garLoopResultBuilder]: For program point getClientId_returnLabel#1(lines 2281 2304) no Hoare annotation was computed. [2023-12-21 09:44:40,285 INFO L899 garLoopResultBuilder]: For program point L2445-2(lines 2437 2454) no Hoare annotation was computed. [2023-12-21 09:44:40,285 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 103) no Hoare annotation was computed. [2023-12-21 09:44:40,285 INFO L899 garLoopResultBuilder]: For program point getClientAutoResponse_returnLabel#1(lines 1799 1822) no Hoare annotation was computed. [2023-12-21 09:44:40,285 INFO L899 garLoopResultBuilder]: For program point L2289(lines 2289 2300) no Hoare annotation was computed. [2023-12-21 09:44:40,285 INFO L899 garLoopResultBuilder]: For program point getEmailId_returnLabel#1(lines 88 106) no Hoare annotation was computed. [2023-12-21 09:44:40,286 INFO L899 garLoopResultBuilder]: For program point setEmailFromEXIT(lines 144 159) no Hoare annotation was computed. [2023-12-21 09:44:40,286 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 144 159) the Hoare annotation is: (or (< ~rjh~0 2) (and (= |old(~__ste_email_from0~0)| ~__ste_email_from0~0) (= |old(~__ste_email_from1~0)| ~__ste_email_from1~0))) [2023-12-21 09:44:40,286 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 155) no Hoare annotation was computed. [2023-12-21 09:44:40,286 INFO L899 garLoopResultBuilder]: For program point L151-2(lines 144 159) no Hoare annotation was computed. [2023-12-21 09:44:40,286 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 156) no Hoare annotation was computed. [2023-12-21 09:44:40,286 INFO L899 garLoopResultBuilder]: For program point L1026-1(line 1026) no Hoare annotation was computed. [2023-12-21 09:44:40,286 INFO L899 garLoopResultBuilder]: For program point L2265(lines 2265 2273) no Hoare annotation was computed. [2023-12-21 09:44:40,286 INFO L899 garLoopResultBuilder]: For program point L944(lines 944 952) no Hoare annotation was computed. [2023-12-21 09:44:40,286 INFO L895 garLoopResultBuilder]: At program point L928(line 928) the Hoare annotation is: (and (<= 2 ~rjh~0) (= |ULTIMATE.start_setup_chuck_~chuck___0#1| 3)) [2023-12-21 09:44:40,286 INFO L899 garLoopResultBuilder]: For program point L928-1(lines 923 932) no Hoare annotation was computed. [2023-12-21 09:44:40,286 INFO L899 garLoopResultBuilder]: For program point L1143(lines 1143 1147) no Hoare annotation was computed. [2023-12-21 09:44:40,286 INFO L899 garLoopResultBuilder]: For program point L1193(lines 1193 1197) no Hoare annotation was computed. [2023-12-21 09:44:40,287 INFO L895 garLoopResultBuilder]: At program point L1028(line 1028) the Hoare annotation is: (let ((.cse0 (<= 2 ~rjh~0)) (.cse1 (= |ULTIMATE.start_test_~op8~0#1| 0))) (or (and .cse0 (= |ULTIMATE.start_test_~op1~0#1| 1) .cse1) (and .cse0 (= |ULTIMATE.start_test_~op1~0#1| 0) .cse1))) [2023-12-21 09:44:40,287 INFO L895 garLoopResultBuilder]: At program point L1028-1(line 1028) the Hoare annotation is: (let ((.cse0 (<= 2 ~rjh~0)) (.cse1 (= |ULTIMATE.start_test_~op8~0#1| 0))) (or (and .cse0 (= |ULTIMATE.start_test_~op1~0#1| 1) .cse1) (and .cse0 (= |ULTIMATE.start_test_~op1~0#1| 0) .cse1))) [2023-12-21 09:44:40,287 INFO L899 garLoopResultBuilder]: For program point L1640(lines 1640 1656) no Hoare annotation was computed. [2023-12-21 09:44:40,287 INFO L899 garLoopResultBuilder]: For program point L1640-1(lines 1606 1661) no Hoare annotation was computed. [2023-12-21 09:44:40,287 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1021 1033) no Hoare annotation was computed. [2023-12-21 09:44:40,287 INFO L899 garLoopResultBuilder]: For program point L2268(lines 2268 2272) no Hoare annotation was computed. [2023-12-21 09:44:40,287 INFO L899 garLoopResultBuilder]: For program point L2268-2(lines 2258 2277) no Hoare annotation was computed. [2023-12-21 09:44:40,287 INFO L899 garLoopResultBuilder]: For program point L1641(lines 1641 1653) no Hoare annotation was computed. [2023-12-21 09:44:40,287 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1100) no Hoare annotation was computed. [2023-12-21 09:44:40,287 INFO L899 garLoopResultBuilder]: For program point $Ultimate##72(lines 1175 1225) no Hoare annotation was computed. [2023-12-21 09:44:40,288 INFO L899 garLoopResultBuilder]: For program point L1179(lines 1179 1186) no Hoare annotation was computed. [2023-12-21 09:44:40,288 INFO L899 garLoopResultBuilder]: For program point L1625(lines 1625 1657) no Hoare annotation was computed. [2023-12-21 09:44:40,288 INFO L899 garLoopResultBuilder]: For program point L1626(lines 1626 1638) no Hoare annotation was computed. [2023-12-21 09:44:40,288 INFO L899 garLoopResultBuilder]: For program point L1610(lines 1610 1658) no Hoare annotation was computed. [2023-12-21 09:44:40,288 INFO L899 garLoopResultBuilder]: For program point $Ultimate##66(lines 1164 1226) no Hoare annotation was computed. [2023-12-21 09:44:40,288 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-21 09:44:40,288 INFO L895 garLoopResultBuilder]: At program point L950(line 950) the Hoare annotation is: (< 1 ~rjh~0) [2023-12-21 09:44:40,288 INFO L899 garLoopResultBuilder]: For program point L950-1(lines 933 955) no Hoare annotation was computed. [2023-12-21 09:44:40,288 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1136) no Hoare annotation was computed. [2023-12-21 09:44:40,288 INFO L899 garLoopResultBuilder]: For program point L1644(lines 1644 1652) no Hoare annotation was computed. [2023-12-21 09:44:40,288 INFO L899 garLoopResultBuilder]: For program point L1611(lines 1611 1623) no Hoare annotation was computed. [2023-12-21 09:44:40,288 INFO L899 garLoopResultBuilder]: For program point L1000(lines 1000 1007) no Hoare annotation was computed. [2023-12-21 09:44:40,288 INFO L899 garLoopResultBuilder]: For program point $Ultimate##51(lines 1150 1227) no Hoare annotation was computed. [2023-12-21 09:44:40,288 INFO L899 garLoopResultBuilder]: For program point L1000-2(lines 1000 1007) no Hoare annotation was computed. [2023-12-21 09:44:40,288 INFO L899 garLoopResultBuilder]: For program point L1215(lines 1215 1219) no Hoare annotation was computed. [2023-12-21 09:44:40,288 INFO L895 garLoopResultBuilder]: At program point L1215-1(lines 1084 1233) the Hoare annotation is: (let ((.cse0 (<= 2 ~rjh~0))) (or (and .cse0 (= |ULTIMATE.start_test_~op1~0#1| 0)) (and .cse0 (= |ULTIMATE.start_test_~op1~0#1| 1)))) [2023-12-21 09:44:40,288 INFO L895 garLoopResultBuilder]: At program point L918(line 918) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_setup_rjh_~rjh___0#1|) (<= 2 ~rjh~0)) [2023-12-21 09:44:40,288 INFO L899 garLoopResultBuilder]: For program point L918-1(lines 913 922) no Hoare annotation was computed. [2023-12-21 09:44:40,289 INFO L899 garLoopResultBuilder]: For program point L1827(lines 1827 1839) no Hoare annotation was computed. [2023-12-21 09:44:40,289 INFO L899 garLoopResultBuilder]: For program point $Ultimate##45(lines 1139 1228) no Hoare annotation was computed. [2023-12-21 09:44:40,289 INFO L899 garLoopResultBuilder]: For program point L1629(lines 1629 1637) no Hoare annotation was computed. [2023-12-21 09:44:40,289 INFO L899 garLoopResultBuilder]: For program point $Ultimate##39(lines 1128 1229) no Hoare annotation was computed. [2023-12-21 09:44:40,289 INFO L899 garLoopResultBuilder]: For program point $Ultimate##33(lines 1117 1230) no Hoare annotation was computed. [2023-12-21 09:44:40,289 INFO L899 garLoopResultBuilder]: For program point L1085(lines 1084 1233) no Hoare annotation was computed. [2023-12-21 09:44:40,289 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1083 1235) no Hoare annotation was computed. [2023-12-21 09:44:40,289 INFO L899 garLoopResultBuilder]: For program point L1168(lines 1168 1172) no Hoare annotation was computed. [2023-12-21 09:44:40,289 INFO L899 garLoopResultBuilder]: For program point L1647(lines 1647 1651) no Hoare annotation was computed. [2023-12-21 09:44:40,289 INFO L899 garLoopResultBuilder]: For program point L1614(lines 1614 1622) no Hoare annotation was computed. [2023-12-21 09:44:40,289 INFO L899 garLoopResultBuilder]: For program point $Ultimate##18(lines 1103 1231) no Hoare annotation was computed. [2023-12-21 09:44:40,289 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-21 09:44:40,289 INFO L899 garLoopResultBuilder]: For program point L1830(lines 1830 1838) no Hoare annotation was computed. [2023-12-21 09:44:40,289 INFO L899 garLoopResultBuilder]: For program point L1632(lines 1632 1636) no Hoare annotation was computed. [2023-12-21 09:44:40,289 INFO L899 garLoopResultBuilder]: For program point L1154(lines 1154 1161) no Hoare annotation was computed. [2023-12-21 09:44:40,289 INFO L899 garLoopResultBuilder]: For program point L1121(lines 1121 1125) no Hoare annotation was computed. [2023-12-21 09:44:40,289 INFO L899 garLoopResultBuilder]: For program point L1204(lines 1204 1208) no Hoare annotation was computed. [2023-12-21 09:44:40,289 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1621) no Hoare annotation was computed. [2023-12-21 09:44:40,289 INFO L899 garLoopResultBuilder]: For program point L2262(lines 2262 2274) no Hoare annotation was computed. [2023-12-21 09:44:40,290 INFO L895 garLoopResultBuilder]: At program point L941(line 941) the Hoare annotation is: (<= 2 ~rjh~0) [2023-12-21 09:44:40,290 INFO L902 garLoopResultBuilder]: At program point L908(line 908) the Hoare annotation is: true [2023-12-21 09:44:40,290 INFO L899 garLoopResultBuilder]: For program point L941-1(line 941) no Hoare annotation was computed. [2023-12-21 09:44:40,290 INFO L899 garLoopResultBuilder]: For program point L908-1(lines 903 912) no Hoare annotation was computed. [2023-12-21 09:44:40,290 INFO L899 garLoopResultBuilder]: For program point L1833(lines 1833 1837) no Hoare annotation was computed. [2023-12-21 09:44:40,290 INFO L899 garLoopResultBuilder]: For program point L1833-2(lines 1823 1842) no Hoare annotation was computed. [2023-12-21 09:44:40,290 INFO L899 garLoopResultBuilder]: For program point L1107(lines 1107 1114) no Hoare annotation was computed. [2023-12-21 09:44:40,290 INFO L899 garLoopResultBuilder]: For program point $Ultimate##114(lines 1189 1224) no Hoare annotation was computed. [2023-12-21 09:44:40,290 INFO L899 garLoopResultBuilder]: For program point $Ultimate##120(lines 1200 1223) no Hoare annotation was computed. [2023-12-21 09:44:40,290 INFO L899 garLoopResultBuilder]: For program point $Ultimate##126(lines 1211 1222) no Hoare annotation was computed. [2023-12-21 09:44:40,290 INFO L899 garLoopResultBuilder]: For program point L1092(lines 1092 1232) no Hoare annotation was computed. [2023-12-21 09:44:40,290 INFO L895 garLoopResultBuilder]: At program point L1026(line 1026) the Hoare annotation is: (let ((.cse0 (<= 2 ~rjh~0)) (.cse1 (= |ULTIMATE.start_test_~op8~0#1| 0))) (or (and .cse0 (= |ULTIMATE.start_test_~op1~0#1| 1) .cse1) (and .cse0 (= |ULTIMATE.start_test_~op1~0#1| 0) .cse1))) [2023-12-21 09:44:40,290 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 140) no Hoare annotation was computed. [2023-12-21 09:44:40,290 INFO L899 garLoopResultBuilder]: For program point getEmailFromFINAL(lines 125 143) no Hoare annotation was computed. [2023-12-21 09:44:40,290 INFO L899 garLoopResultBuilder]: For program point getEmailFromEXIT(lines 125 143) no Hoare annotation was computed. [2023-12-21 09:44:40,290 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 125 143) the Hoare annotation is: true [2023-12-21 09:44:40,290 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 139) no Hoare annotation was computed. [2023-12-21 09:44:40,291 INFO L899 garLoopResultBuilder]: For program point L1778(lines 1778 1786) no Hoare annotation was computed. [2023-12-21 09:44:40,291 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1757) no Hoare annotation was computed. [2023-12-21 09:44:40,291 INFO L899 garLoopResultBuilder]: For program point L1774(lines 1774 1790) no Hoare annotation was computed. [2023-12-21 09:44:40,291 INFO L899 garLoopResultBuilder]: For program point L1774-1(lines 1740 1795) no Hoare annotation was computed. [2023-12-21 09:44:40,291 INFO L899 garLoopResultBuilder]: For program point L1766(lines 1766 1770) no Hoare annotation was computed. [2023-12-21 09:44:40,291 INFO L899 garLoopResultBuilder]: For program point L1775(lines 1775 1787) no Hoare annotation was computed. [2023-12-21 09:44:40,291 INFO L899 garLoopResultBuilder]: For program point L1763(lines 1763 1771) no Hoare annotation was computed. [2023-12-21 09:44:40,291 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1791) no Hoare annotation was computed. [2023-12-21 09:44:40,291 INFO L899 garLoopResultBuilder]: For program point L1751(lines 1751 1755) no Hoare annotation was computed. [2023-12-21 09:44:40,291 INFO L899 garLoopResultBuilder]: For program point setClientAddressBookAddressEXIT(lines 1740 1795) no Hoare annotation was computed. [2023-12-21 09:44:40,291 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1740 1795) the Hoare annotation is: true [2023-12-21 09:44:40,291 INFO L899 garLoopResultBuilder]: For program point L1760(lines 1760 1772) no Hoare annotation was computed. [2023-12-21 09:44:40,291 INFO L899 garLoopResultBuilder]: For program point L1781(lines 1781 1785) no Hoare annotation was computed. [2023-12-21 09:44:40,291 INFO L899 garLoopResultBuilder]: For program point L1748(lines 1748 1756) no Hoare annotation was computed. [2023-12-21 09:44:40,291 INFO L899 garLoopResultBuilder]: For program point L1744(lines 1744 1792) no Hoare annotation was computed. [2023-12-21 09:44:40,291 INFO L899 garLoopResultBuilder]: For program point isReadableEXIT(lines 2631 2639) no Hoare annotation was computed. [2023-12-21 09:44:40,291 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2631 2639) the Hoare annotation is: true [2023-12-21 09:44:40,291 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2504 2513) the Hoare annotation is: true [2023-12-21 09:44:40,291 INFO L899 garLoopResultBuilder]: For program point queueEXIT(lines 2504 2513) no Hoare annotation was computed. [2023-12-21 09:44:40,291 INFO L899 garLoopResultBuilder]: For program point setClientIdEXIT(lines 2305 2324) no Hoare annotation was computed. [2023-12-21 09:44:40,292 INFO L899 garLoopResultBuilder]: For program point L2315(lines 2315 2319) no Hoare annotation was computed. [2023-12-21 09:44:40,292 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 2305 2324) the Hoare annotation is: (and (= |old(~__ste_client_idCounter0~0)| ~__ste_client_idCounter0~0) (= |old(~__ste_client_idCounter1~0)| ~__ste_client_idCounter1~0) (= |old(~__ste_client_idCounter2~0)| ~__ste_client_idCounter2~0)) [2023-12-21 09:44:40,292 INFO L899 garLoopResultBuilder]: For program point L2312(lines 2312 2320) no Hoare annotation was computed. [2023-12-21 09:44:40,292 INFO L899 garLoopResultBuilder]: For program point L2315-2(lines 2305 2324) no Hoare annotation was computed. [2023-12-21 09:44:40,292 INFO L899 garLoopResultBuilder]: For program point L2309(lines 2309 2321) no Hoare annotation was computed. [2023-12-21 09:44:40,294 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 09:44:40,296 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 09:44:40,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 09:44:40 BoogieIcfgContainer [2023-12-21 09:44:40,307 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 09:44:40,308 INFO L158 Benchmark]: Toolchain (without parser) took 471615.65ms. Allocated memory was 220.2MB in the beginning and 5.5GB in the end (delta: 5.3GB). Free memory was 177.0MB in the beginning and 2.2GB in the end (delta: -2.0GB). Peak memory consumption was 4.1GB. Max. memory is 8.0GB. [2023-12-21 09:44:40,308 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 220.2MB. Free memory is still 168.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 09:44:40,311 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.99ms. Allocated memory is still 220.2MB. Free memory was 176.7MB in the beginning and 138.2MB in the end (delta: 38.5MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2023-12-21 09:44:40,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.30ms. Allocated memory is still 220.2MB. Free memory was 138.2MB in the beginning and 133.7MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-21 09:44:40,313 INFO L158 Benchmark]: Boogie Preprocessor took 59.79ms. Allocated memory is still 220.2MB. Free memory was 133.7MB in the beginning and 128.5MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-21 09:44:40,313 INFO L158 Benchmark]: RCFGBuilder took 708.41ms. Allocated memory was 220.2MB in the beginning and 287.3MB in the end (delta: 67.1MB). Free memory was 128.5MB in the beginning and 202.8MB in the end (delta: -74.3MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. [2023-12-21 09:44:40,313 INFO L158 Benchmark]: TraceAbstraction took 470283.57ms. Allocated memory was 287.3MB in the beginning and 5.5GB in the end (delta: 5.2GB). Free memory was 202.3MB in the beginning and 2.2GB in the end (delta: -2.0GB). Peak memory consumption was 4.0GB. Max. memory is 8.0GB. [2023-12-21 09:44:40,315 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 220.2MB. Free memory is still 168.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 500.99ms. Allocated memory is still 220.2MB. Free memory was 176.7MB in the beginning and 138.2MB in the end (delta: 38.5MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 57.30ms. Allocated memory is still 220.2MB. Free memory was 138.2MB in the beginning and 133.7MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 59.79ms. Allocated memory is still 220.2MB. Free memory was 133.7MB in the beginning and 128.5MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 708.41ms. Allocated memory was 220.2MB in the beginning and 287.3MB in the end (delta: 67.1MB). Free memory was 128.5MB in the beginning and 202.8MB in the end (delta: -74.3MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. * TraceAbstraction took 470283.57ms. Allocated memory was 287.3MB in the beginning and 5.5GB in the end (delta: 5.2GB). Free memory was 202.3MB in the beginning and 2.2GB in the end (delta: -2.0GB). Peak memory consumption was 4.0GB. 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,"EmailLib.i","") [48] - GenericResultAtLocation [Line: 460]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [460] - GenericResultAtLocation [Line: 826]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [826] - GenericResultAtLocation [Line: 875]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [875] - GenericResultAtLocation [Line: 1044]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1044] - GenericResultAtLocation [Line: 1242]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1242] - GenericResultAtLocation [Line: 1251]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1251] - GenericResultAtLocation [Line: 2325]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2325] - GenericResultAtLocation [Line: 2342]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2342] - GenericResultAtLocation [Line: 2581]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2581] - GenericResultAtLocation [Line: 2601]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2601] * 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 - PositiveResult [Line: 1247]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 15 procedures, 208 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 470.2s, OverallIterations: 20, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 17.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 442.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10232 SdHoareTripleChecker+Valid, 11.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9940 mSDsluCounter, 13593 SdHoareTripleChecker+Invalid, 9.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10530 mSDsCounter, 3030 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19066 IncrementalHoareTripleChecker+Invalid, 22096 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3030 mSolverCounterUnsat, 3063 mSDtfsCounter, 19066 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1033 GetRequests, 827 SyntacticMatches, 0 SemanticMatches, 206 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68787occurred in iteration=19, InterpolantAutomatonStates: 164, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.2s AutomataMinimizationTime, 20 MinimizatonAttempts, 1945 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 7639 PreInvPairs, 13914 NumberOfFragments, 400 HoareAnnotationTreeSize, 7639 FormulaSimplifications, 12562949291540 FormulaSimplificationTreeSizeReduction, 250.7s HoareSimplificationTime, 46 FormulaSimplificationsInter, 136516 FormulaSimplificationTreeSizeReductionInter, 191.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 2085 NumberOfCodeBlocks, 2085 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 2136 ConstructedInterpolants, 0 QuantifiedInterpolants, 3751 SizeOfPredicates, 19 NumberOfNonLiveVariables, 4070 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 26 InterpolantComputations, 19 PerfectInterpolantSequences, 462/481 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1084]: Loop Invariant Derived loop invariant: (((2 <= rjh) && (op1 == 0)) || ((2 <= rjh) && (op1 == 1))) RESULT: Ultimate proved your program to be correct! [2023-12-21 09:44:40,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...