./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec11_product36.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f422b02f04909f595cd81c18f65f163bde7189dd9d2c25d22c48d8d4d89787b5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 01:52:05,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 01:52:05,800 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 01:52:05,804 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 01:52:05,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 01:52:05,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 01:52:05,833 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 01:52:05,834 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 01:52:05,834 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 01:52:05,834 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 01:52:05,834 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 01:52:05,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 01:52:05,835 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 01:52:05,835 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 01:52:05,835 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 01:52:05,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 01:52:05,840 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 01:52:05,841 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 01:52:05,841 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 01:52:05,841 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 01:52:05,841 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 01:52:05,842 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 01:52:05,842 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 01:52:05,842 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 01:52:05,843 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 01:52:05,843 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 01:52:05,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 01:52:05,843 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 01:52:05,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 01:52:05,844 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 01:52:05,845 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 01:52:05,845 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 01:52:05,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 01:52:05,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 01:52:05,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 01:52:05,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 01:52:05,846 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 01:52:05,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 01:52:05,846 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 01:52:05,847 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 01:52:05,847 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 01:52:05,847 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 01:52:05,847 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f422b02f04909f595cd81c18f65f163bde7189dd9d2c25d22c48d8d4d89787b5 [2024-11-22 01:52:06,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 01:52:06,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 01:52:06,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 01:52:06,113 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 01:52:06,114 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 01:52:06,115 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product36.cil.c [2024-11-22 01:52:07,672 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 01:52:08,010 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 01:52:08,011 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product36.cil.c [2024-11-22 01:52:08,026 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/479a19099/7d454029b3274d3e88a24a468b2997ef/FLAGc4e37a183 [2024-11-22 01:52:08,295 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/479a19099/7d454029b3274d3e88a24a468b2997ef [2024-11-22 01:52:08,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 01:52:08,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 01:52:08,303 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 01:52:08,303 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 01:52:08,311 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 01:52:08,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:52:08" (1/1) ... [2024-11-22 01:52:08,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e735d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:08, skipping insertion in model container [2024-11-22 01:52:08,314 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:52:08" (1/1) ... [2024-11-22 01:52:08,463 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 01:52:08,905 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product36.cil.c[27504,27517] [2024-11-22 01:52:09,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 01:52:09,065 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 01:52:09,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2024-11-22 01:52:09,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [460] [2024-11-22 01:52:09,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [826] [2024-11-22 01:52:09,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [875] [2024-11-22 01:52:09,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1044] [2024-11-22 01:52:09,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1242] [2024-11-22 01:52:09,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1251] [2024-11-22 01:52:09,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2325] [2024-11-22 01:52:09,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2342] [2024-11-22 01:52:09,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2581] [2024-11-22 01:52:09,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2601] [2024-11-22 01:52:09,111 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product36.cil.c[27504,27517] [2024-11-22 01:52:09,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 01:52:09,180 INFO L204 MainTranslator]: Completed translation [2024-11-22 01:52:09,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:09 WrapperNode [2024-11-22 01:52:09,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 01:52:09,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 01:52:09,182 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 01:52:09,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 01:52:09,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:09" (1/1) ... [2024-11-22 01:52:09,215 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:09" (1/1) ... [2024-11-22 01:52:09,263 INFO L138 Inliner]: procedures = 113, calls = 136, calls flagged for inlining = 41, calls inlined = 36, statements flattened = 699 [2024-11-22 01:52:09,266 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 01:52:09,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 01:52:09,267 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 01:52:09,267 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 01:52:09,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:09" (1/1) ... [2024-11-22 01:52:09,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:09" (1/1) ... [2024-11-22 01:52:09,288 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:09" (1/1) ... [2024-11-22 01:52:09,319 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]. [2024-11-22 01:52:09,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:09" (1/1) ... [2024-11-22 01:52:09,323 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:09" (1/1) ... [2024-11-22 01:52:09,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:09" (1/1) ... [2024-11-22 01:52:09,348 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:09" (1/1) ... [2024-11-22 01:52:09,354 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:09" (1/1) ... [2024-11-22 01:52:09,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:09" (1/1) ... [2024-11-22 01:52:09,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 01:52:09,369 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 01:52:09,371 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 01:52:09,371 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 01:52:09,372 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:09" (1/1) ... [2024-11-22 01:52:09,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 01:52:09,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:52:09,413 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) [2024-11-22 01:52:09,416 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 [2024-11-22 01:52:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-22 01:52:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-22 01:52:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-22 01:52:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-22 01:52:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-22 01:52:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-22 01:52:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-22 01:52:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-22 01:52:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-22 01:52:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-22 01:52:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-22 01:52:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-22 01:52:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-22 01:52:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-22 01:52:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-22 01:52:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-22 01:52:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-22 01:52:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-22 01:52:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 01:52:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-22 01:52:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-22 01:52:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-22 01:52:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-22 01:52:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-22 01:52:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-22 01:52:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-22 01:52:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-22 01:52:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 01:52:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 01:52:09,465 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-22 01:52:09,465 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-22 01:52:09,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 01:52:09,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 01:52:09,665 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 01:52:09,667 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 01:52:10,315 INFO L? ?]: Removed 304 outVars from TransFormulas that were not future-live. [2024-11-22 01:52:10,315 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 01:52:10,330 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 01:52:10,330 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 01:52:10,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:52:10 BoogieIcfgContainer [2024-11-22 01:52:10,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 01:52:10,333 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 01:52:10,333 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 01:52:10,335 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 01:52:10,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:52:08" (1/3) ... [2024-11-22 01:52:10,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa75927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:52:10, skipping insertion in model container [2024-11-22 01:52:10,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:09" (2/3) ... [2024-11-22 01:52:10,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa75927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:52:10, skipping insertion in model container [2024-11-22 01:52:10,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:52:10" (3/3) ... [2024-11-22 01:52:10,340 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec11_product36.cil.c [2024-11-22 01:52:10,353 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 01:52:10,353 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 01:52:10,406 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 01:52:10,414 INFO L333 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, 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;@574ab4d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 01:52:10,414 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 01:52:10,419 INFO L276 IsEmpty]: Start isEmpty. Operand has 232 states, 185 states have (on average 1.5513513513513513) internal successors, (287), 188 states have internal predecessors, (287), 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) [2024-11-22 01:52:10,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-22 01:52:10,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:10,431 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:10,431 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:10,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:10,435 INFO L85 PathProgramCache]: Analyzing trace with hash 80564480, now seen corresponding path program 1 times [2024-11-22 01:52:10,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:10,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151526828] [2024-11-22 01:52:10,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:10,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:10,850 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-22 01:52:10,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:10,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151526828] [2024-11-22 01:52:10,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151526828] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:52:10,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830600438] [2024-11-22 01:52:10,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:10,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:52:10,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:52:10,855 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) [2024-11-22 01:52:10,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 01:52:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:11,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 01:52:11,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:52:11,083 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 01:52:11,084 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:52:11,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830600438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:11,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:52:11,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-11-22 01:52:11,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109937964] [2024-11-22 01:52:11,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:11,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 01:52:11,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:11,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 01:52:11,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:52:11,113 INFO L87 Difference]: Start difference. First operand has 232 states, 185 states have (on average 1.5513513513513513) internal successors, (287), 188 states have internal predecessors, (287), 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 24.0) internal successors, (48), 2 states have internal predecessors, (48), 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) [2024-11-22 01:52:11,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:11,146 INFO L93 Difference]: Finished difference Result 370 states and 545 transitions. [2024-11-22 01:52:11,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 01:52:11,148 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (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 78 [2024-11-22 01:52:11,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:11,156 INFO L225 Difference]: With dead ends: 370 [2024-11-22 01:52:11,156 INFO L226 Difference]: Without dead ends: 225 [2024-11-22 01:52:11,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:52:11,162 INFO L432 NwaCegarLoop]: 345 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:11,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:11,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-22 01:52:11,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2024-11-22 01:52:11,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 179 states have (on average 1.541899441340782) internal successors, (276), 181 states have internal predecessors, (276), 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) [2024-11-22 01:52:11,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 337 transitions. [2024-11-22 01:52:11,209 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 337 transitions. Word has length 78 [2024-11-22 01:52:11,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:11,210 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 337 transitions. [2024-11-22 01:52:11,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (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) [2024-11-22 01:52:11,211 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 337 transitions. [2024-11-22 01:52:11,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-22 01:52:11,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:11,214 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:11,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 01:52:11,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 01:52:11,416 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:11,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:11,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1762266967, now seen corresponding path program 1 times [2024-11-22 01:52:11,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:11,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536071018] [2024-11-22 01:52:11,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:11,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:11,597 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-22 01:52:11,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:11,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536071018] [2024-11-22 01:52:11,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536071018] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:52:11,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836229411] [2024-11-22 01:52:11,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:11,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:52:11,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:52:11,601 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) [2024-11-22 01:52:11,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 01:52:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:11,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 01:52:11,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:52:11,848 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 01:52:11,851 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:52:11,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836229411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:11,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:52:11,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-22 01:52:11,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862079151] [2024-11-22 01:52:11,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:11,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:11,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:11,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:11,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:52:11,855 INFO L87 Difference]: Start difference. First operand 225 states and 337 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (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) [2024-11-22 01:52:11,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:11,902 INFO L93 Difference]: Finished difference Result 360 states and 523 transitions. [2024-11-22 01:52:11,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:11,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (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 79 [2024-11-22 01:52:11,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:11,905 INFO L225 Difference]: With dead ends: 360 [2024-11-22 01:52:11,905 INFO L226 Difference]: Without dead ends: 228 [2024-11-22 01:52:11,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:52:11,909 INFO L432 NwaCegarLoop]: 335 mSDtfsCounter, 1 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:11,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 668 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:11,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-22 01:52:11,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 227. [2024-11-22 01:52:11,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 181 states have (on average 1.5359116022099448) internal successors, (278), 183 states have internal predecessors, (278), 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) [2024-11-22 01:52:11,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 339 transitions. [2024-11-22 01:52:11,936 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 339 transitions. Word has length 79 [2024-11-22 01:52:11,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:11,936 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 339 transitions. [2024-11-22 01:52:11,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (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) [2024-11-22 01:52:11,937 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 339 transitions. [2024-11-22 01:52:11,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-22 01:52:11,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:11,942 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:11,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-22 01:52:12,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-22 01:52:12,143 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:12,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:12,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1824935857, now seen corresponding path program 1 times [2024-11-22 01:52:12,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:12,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789629858] [2024-11-22 01:52:12,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:12,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:12,283 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 01:52:12,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:12,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789629858] [2024-11-22 01:52:12,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789629858] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:52:12,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385843932] [2024-11-22 01:52:12,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:12,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:52:12,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:52:12,286 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) [2024-11-22 01:52:12,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 01:52:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:12,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 01:52:12,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:52:12,515 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-22 01:52:12,515 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:52:12,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385843932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:12,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:52:12,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-22 01:52:12,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36296288] [2024-11-22 01:52:12,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:12,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:52:12,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:12,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:52:12,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:52:12,519 INFO L87 Difference]: Start difference. First operand 227 states and 339 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (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) [2024-11-22 01:52:12,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:12,562 INFO L93 Difference]: Finished difference Result 447 states and 671 transitions. [2024-11-22 01:52:12,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:52:12,563 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (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 84 [2024-11-22 01:52:12,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:12,565 INFO L225 Difference]: With dead ends: 447 [2024-11-22 01:52:12,565 INFO L226 Difference]: Without dead ends: 229 [2024-11-22 01:52:12,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:52:12,566 INFO L432 NwaCegarLoop]: 329 mSDtfsCounter, 2 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:12,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1305 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:12,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-22 01:52:12,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2024-11-22 01:52:12,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 182 states have (on average 1.532967032967033) internal successors, (279), 185 states have internal predecessors, (279), 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) [2024-11-22 01:52:12,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 342 transitions. [2024-11-22 01:52:12,578 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 342 transitions. Word has length 84 [2024-11-22 01:52:12,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:12,578 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 342 transitions. [2024-11-22 01:52:12,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (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) [2024-11-22 01:52:12,579 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 342 transitions. [2024-11-22 01:52:12,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-22 01:52:12,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:12,581 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:12,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 01:52:12,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:52:12,783 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:12,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:12,783 INFO L85 PathProgramCache]: Analyzing trace with hash -388126467, now seen corresponding path program 1 times [2024-11-22 01:52:12,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:12,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242050597] [2024-11-22 01:52:12,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:12,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:12,914 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 01:52:12,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:12,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242050597] [2024-11-22 01:52:12,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242050597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:12,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:12,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 01:52:12,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266893695] [2024-11-22 01:52:12,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:12,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:52:12,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:12,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:52:12,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:52:12,916 INFO L87 Difference]: Start difference. First operand 229 states and 342 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-22 01:52:12,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:12,954 INFO L93 Difference]: Finished difference Result 439 states and 659 transitions. [2024-11-22 01:52:12,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:52:12,955 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (12), 2 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 85 [2024-11-22 01:52:12,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:12,957 INFO L225 Difference]: With dead ends: 439 [2024-11-22 01:52:12,958 INFO L226 Difference]: Without dead ends: 229 [2024-11-22 01:52:12,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:52:12,959 INFO L432 NwaCegarLoop]: 330 mSDtfsCounter, 2 mSDsluCounter, 979 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:12,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1309 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:12,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-22 01:52:12,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2024-11-22 01:52:12,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 182 states have (on average 1.532967032967033) internal successors, (279), 185 states have internal predecessors, (279), 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) [2024-11-22 01:52:12,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 341 transitions. [2024-11-22 01:52:12,976 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 341 transitions. Word has length 85 [2024-11-22 01:52:12,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:12,976 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 341 transitions. [2024-11-22 01:52:12,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-22 01:52:12,977 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 341 transitions. [2024-11-22 01:52:12,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-22 01:52:12,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:12,978 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:12,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 01:52:12,979 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:12,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:12,979 INFO L85 PathProgramCache]: Analyzing trace with hash 466057523, now seen corresponding path program 2 times [2024-11-22 01:52:12,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:12,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865416454] [2024-11-22 01:52:12,980 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 01:52:12,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:12,999 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 01:52:13,000 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 01:52:13,068 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-22 01:52:13,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:13,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865416454] [2024-11-22 01:52:13,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865416454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:13,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:13,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 01:52:13,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284632287] [2024-11-22 01:52:13,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:13,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:52:13,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:13,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:52:13,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:52:13,072 INFO L87 Difference]: Start difference. First operand 229 states and 341 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-22 01:52:13,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:13,116 INFO L93 Difference]: Finished difference Result 491 states and 747 transitions. [2024-11-22 01:52:13,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:52:13,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 86 [2024-11-22 01:52:13,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:13,119 INFO L225 Difference]: With dead ends: 491 [2024-11-22 01:52:13,119 INFO L226 Difference]: Without dead ends: 367 [2024-11-22 01:52:13,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 01:52:13,122 INFO L432 NwaCegarLoop]: 336 mSDtfsCounter, 310 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 1219 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 [2024-11-22 01:52:13,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 1219 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:13,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-22 01:52:13,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2024-11-22 01:52:13,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 299 states have (on average 1.5953177257525084) internal successors, (477), 304 states have internal predecessors, (477), 45 states have call successors, (45), 24 states have call predecessors, (45), 22 states have return successors, (45), 38 states have call predecessors, (45), 44 states have call successors, (45) [2024-11-22 01:52:13,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 567 transitions. [2024-11-22 01:52:13,136 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 567 transitions. Word has length 86 [2024-11-22 01:52:13,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:13,136 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 567 transitions. [2024-11-22 01:52:13,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-22 01:52:13,136 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 567 transitions. [2024-11-22 01:52:13,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-22 01:52:13,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:13,139 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:13,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 01:52:13,139 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:13,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:13,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1067877324, now seen corresponding path program 1 times [2024-11-22 01:52:13,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:13,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402541489] [2024-11-22 01:52:13,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:13,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:13,237 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 01:52:13,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:13,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402541489] [2024-11-22 01:52:13,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402541489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:13,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:13,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 01:52:13,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770013649] [2024-11-22 01:52:13,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:13,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:52:13,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:13,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:52:13,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:52:13,240 INFO L87 Difference]: Start difference. First operand 367 states and 567 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-22 01:52:13,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:13,277 INFO L93 Difference]: Finished difference Result 717 states and 1114 transitions. [2024-11-22 01:52:13,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:52:13,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (12), 2 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 91 [2024-11-22 01:52:13,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:13,279 INFO L225 Difference]: With dead ends: 717 [2024-11-22 01:52:13,280 INFO L226 Difference]: Without dead ends: 369 [2024-11-22 01:52:13,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:52:13,282 INFO L432 NwaCegarLoop]: 331 mSDtfsCounter, 1 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1312 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:13,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1312 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:13,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-22 01:52:13,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2024-11-22 01:52:13,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 300 states have (on average 1.5933333333333333) internal successors, (478), 306 states have internal predecessors, (478), 45 states have call successors, (45), 24 states have call predecessors, (45), 23 states have return successors, (47), 38 states have call predecessors, (47), 44 states have call successors, (47) [2024-11-22 01:52:13,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 570 transitions. [2024-11-22 01:52:13,298 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 570 transitions. Word has length 91 [2024-11-22 01:52:13,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:13,298 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 570 transitions. [2024-11-22 01:52:13,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-22 01:52:13,299 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 570 transitions. [2024-11-22 01:52:13,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-22 01:52:13,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:13,300 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:13,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 01:52:13,300 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:13,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:13,301 INFO L85 PathProgramCache]: Analyzing trace with hash -509331443, now seen corresponding path program 1 times [2024-11-22 01:52:13,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:13,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592882420] [2024-11-22 01:52:13,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:13,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:13,378 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-22 01:52:13,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:13,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592882420] [2024-11-22 01:52:13,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592882420] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:52:13,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974201215] [2024-11-22 01:52:13,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:13,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:52:13,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:52:13,394 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) [2024-11-22 01:52:13,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 01:52:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:13,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 01:52:13,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:52:13,603 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-22 01:52:13,604 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 01:52:13,658 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-22 01:52:13,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974201215] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 01:52:13,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 01:52:13,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-22 01:52:13,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280777264] [2024-11-22 01:52:13,659 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 01:52:13,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 01:52:13,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:13,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 01:52:13,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 01:52:13,660 INFO L87 Difference]: Start difference. First operand 369 states and 570 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 01:52:13,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:13,738 INFO L93 Difference]: Finished difference Result 862 states and 1370 transitions. [2024-11-22 01:52:13,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 01:52:13,738 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 88 [2024-11-22 01:52:13,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:13,741 INFO L225 Difference]: With dead ends: 862 [2024-11-22 01:52:13,741 INFO L226 Difference]: Without dead ends: 666 [2024-11-22 01:52:13,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-22 01:52:13,746 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 454 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:13,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 1199 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 01:52:13,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2024-11-22 01:52:13,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 638. [2024-11-22 01:52:13,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 554 states have (on average 1.6823104693140793) internal successors, (932), 560 states have internal predecessors, (932), 60 states have call successors, (60), 24 states have call predecessors, (60), 23 states have return successors, (62), 53 states have call predecessors, (62), 59 states have call successors, (62) [2024-11-22 01:52:13,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 1054 transitions. [2024-11-22 01:52:13,770 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 1054 transitions. Word has length 88 [2024-11-22 01:52:13,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:13,771 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 1054 transitions. [2024-11-22 01:52:13,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 01:52:13,771 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1054 transitions. [2024-11-22 01:52:13,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-22 01:52:13,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:13,773 INFO L215 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] [2024-11-22 01:52:13,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 01:52:13,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:52:13,974 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:13,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:13,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1124598514, now seen corresponding path program 1 times [2024-11-22 01:52:13,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:13,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227613699] [2024-11-22 01:52:13,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:13,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:14,023 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-22 01:52:14,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:14,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227613699] [2024-11-22 01:52:14,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227613699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:14,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:14,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:52:14,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649510144] [2024-11-22 01:52:14,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:14,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:14,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:14,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:14,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:14,025 INFO L87 Difference]: Start difference. First operand 638 states and 1054 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 01:52:14,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:14,046 INFO L93 Difference]: Finished difference Result 1524 states and 2562 transitions. [2024-11-22 01:52:14,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:14,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (12), 2 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 95 [2024-11-22 01:52:14,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:14,052 INFO L225 Difference]: With dead ends: 1524 [2024-11-22 01:52:14,052 INFO L226 Difference]: Without dead ends: 914 [2024-11-22 01:52:14,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:14,054 INFO L432 NwaCegarLoop]: 344 mSDtfsCounter, 92 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:14,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 677 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:14,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2024-11-22 01:52:14,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 904. [2024-11-22 01:52:14,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 805 states have (on average 1.7055900621118012) internal successors, (1373), 811 states have internal predecessors, (1373), 75 states have call successors, (75), 24 states have call predecessors, (75), 23 states have return successors, (77), 68 states have call predecessors, (77), 74 states have call successors, (77) [2024-11-22 01:52:14,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1525 transitions. [2024-11-22 01:52:14,078 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1525 transitions. Word has length 95 [2024-11-22 01:52:14,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:14,078 INFO L471 AbstractCegarLoop]: Abstraction has 904 states and 1525 transitions. [2024-11-22 01:52:14,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 01:52:14,078 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1525 transitions. [2024-11-22 01:52:14,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-22 01:52:14,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:14,081 INFO L215 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] [2024-11-22 01:52:14,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 01:52:14,081 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:14,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:14,081 INFO L85 PathProgramCache]: Analyzing trace with hash -546066315, now seen corresponding path program 1 times [2024-11-22 01:52:14,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:14,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412556260] [2024-11-22 01:52:14,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:14,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:14,119 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-22 01:52:14,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:14,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412556260] [2024-11-22 01:52:14,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412556260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:14,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:14,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:52:14,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354159084] [2024-11-22 01:52:14,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:14,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:14,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:14,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:14,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:14,122 INFO L87 Difference]: Start difference. First operand 904 states and 1525 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 01:52:14,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:14,145 INFO L93 Difference]: Finished difference Result 2130 states and 3652 transitions. [2024-11-22 01:52:14,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:14,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (12), 2 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 96 [2024-11-22 01:52:14,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:14,151 INFO L225 Difference]: With dead ends: 2130 [2024-11-22 01:52:14,151 INFO L226 Difference]: Without dead ends: 1377 [2024-11-22 01:52:14,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:14,153 INFO L432 NwaCegarLoop]: 336 mSDtfsCounter, 90 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:14,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 660 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:14,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1377 states. [2024-11-22 01:52:14,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1377 to 1367. [2024-11-22 01:52:14,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1367 states, 1238 states have (on average 1.7334410339256865) internal successors, (2146), 1244 states have internal predecessors, (2146), 105 states have call successors, (105), 24 states have call predecessors, (105), 23 states have return successors, (107), 98 states have call predecessors, (107), 104 states have call successors, (107) [2024-11-22 01:52:14,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 2358 transitions. [2024-11-22 01:52:14,194 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 2358 transitions. Word has length 96 [2024-11-22 01:52:14,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:14,195 INFO L471 AbstractCegarLoop]: Abstraction has 1367 states and 2358 transitions. [2024-11-22 01:52:14,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 01:52:14,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 2358 transitions. [2024-11-22 01:52:14,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-22 01:52:14,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:14,200 INFO L215 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, 1] [2024-11-22 01:52:14,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 01:52:14,200 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:14,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:14,201 INFO L85 PathProgramCache]: Analyzing trace with hash -663617104, now seen corresponding path program 1 times [2024-11-22 01:52:14,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:14,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298170643] [2024-11-22 01:52:14,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:14,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:14,254 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-22 01:52:14,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:14,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298170643] [2024-11-22 01:52:14,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298170643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:14,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:14,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:52:14,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825696888] [2024-11-22 01:52:14,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:14,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:14,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:14,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:14,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:14,257 INFO L87 Difference]: Start difference. First operand 1367 states and 2358 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 01:52:14,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:14,326 INFO L93 Difference]: Finished difference Result 3355 states and 5841 transitions. [2024-11-22 01:52:14,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:14,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (12), 2 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 97 [2024-11-22 01:52:14,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:14,335 INFO L225 Difference]: With dead ends: 3355 [2024-11-22 01:52:14,335 INFO L226 Difference]: Without dead ends: 2084 [2024-11-22 01:52:14,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:14,339 INFO L432 NwaCegarLoop]: 336 mSDtfsCounter, 88 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:14,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 668 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:14,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2084 states. [2024-11-22 01:52:14,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2084 to 2074. [2024-11-22 01:52:14,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2074 states, 1903 states have (on average 1.7325275880189175) internal successors, (3297), 1909 states have internal predecessors, (3297), 147 states have call successors, (147), 24 states have call predecessors, (147), 23 states have return successors, (149), 140 states have call predecessors, (149), 146 states have call successors, (149) [2024-11-22 01:52:14,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 3593 transitions. [2024-11-22 01:52:14,402 INFO L78 Accepts]: Start accepts. Automaton has 2074 states and 3593 transitions. Word has length 97 [2024-11-22 01:52:14,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:14,402 INFO L471 AbstractCegarLoop]: Abstraction has 2074 states and 3593 transitions. [2024-11-22 01:52:14,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 01:52:14,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 3593 transitions. [2024-11-22 01:52:14,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-22 01:52:14,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:14,408 INFO L215 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, 1, 1] [2024-11-22 01:52:14,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 01:52:14,408 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:14,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:14,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1106537693, now seen corresponding path program 1 times [2024-11-22 01:52:14,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:14,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336410029] [2024-11-22 01:52:14,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:14,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:14,448 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-22 01:52:14,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:14,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336410029] [2024-11-22 01:52:14,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336410029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:14,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:14,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:52:14,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734544534] [2024-11-22 01:52:14,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:14,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:14,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:14,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:14,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:14,450 INFO L87 Difference]: Start difference. First operand 2074 states and 3593 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 01:52:14,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:14,499 INFO L93 Difference]: Finished difference Result 5126 states and 8959 transitions. [2024-11-22 01:52:14,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:14,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (12), 2 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 98 [2024-11-22 01:52:14,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:14,512 INFO L225 Difference]: With dead ends: 5126 [2024-11-22 01:52:14,512 INFO L226 Difference]: Without dead ends: 3234 [2024-11-22 01:52:14,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:14,525 INFO L432 NwaCegarLoop]: 336 mSDtfsCounter, 86 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:14,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 668 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:14,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3234 states. [2024-11-22 01:52:14,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3234 to 3224. [2024-11-22 01:52:14,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3224 states, 2984 states have (on average 1.727882037533512) internal successors, (5156), 2990 states have internal predecessors, (5156), 216 states have call successors, (216), 24 states have call predecessors, (216), 23 states have return successors, (218), 209 states have call predecessors, (218), 215 states have call successors, (218) [2024-11-22 01:52:14,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3224 states to 3224 states and 5590 transitions. [2024-11-22 01:52:14,644 INFO L78 Accepts]: Start accepts. Automaton has 3224 states and 5590 transitions. Word has length 98 [2024-11-22 01:52:14,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:14,644 INFO L471 AbstractCegarLoop]: Abstraction has 3224 states and 5590 transitions. [2024-11-22 01:52:14,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 01:52:14,645 INFO L276 IsEmpty]: Start isEmpty. Operand 3224 states and 5590 transitions. [2024-11-22 01:52:14,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-22 01:52:14,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:14,654 INFO L215 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, 1, 1, 1] [2024-11-22 01:52:14,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 01:52:14,654 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:14,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:14,655 INFO L85 PathProgramCache]: Analyzing trace with hash 108297710, now seen corresponding path program 1 times [2024-11-22 01:52:14,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:14,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189392517] [2024-11-22 01:52:14,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:14,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:14,730 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-22 01:52:14,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:14,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189392517] [2024-11-22 01:52:14,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189392517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:14,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:14,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:52:14,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636215347] [2024-11-22 01:52:14,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:14,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:14,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:14,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:14,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:14,732 INFO L87 Difference]: Start difference. First operand 3224 states and 5590 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 01:52:14,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:14,804 INFO L93 Difference]: Finished difference Result 8111 states and 14192 transitions. [2024-11-22 01:52:14,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:14,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (12), 2 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 99 [2024-11-22 01:52:14,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:14,824 INFO L225 Difference]: With dead ends: 8111 [2024-11-22 01:52:14,824 INFO L226 Difference]: Without dead ends: 5201 [2024-11-22 01:52:14,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:14,834 INFO L432 NwaCegarLoop]: 336 mSDtfsCounter, 84 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:14,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 668 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:14,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5201 states. [2024-11-22 01:52:14,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5201 to 5191. [2024-11-22 01:52:14,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5191 states, 4831 states have (on average 1.7226247153798386) internal successors, (8322), 4837 states have internal predecessors, (8322), 336 states have call successors, (336), 24 states have call predecessors, (336), 23 states have return successors, (338), 329 states have call predecessors, (338), 335 states have call successors, (338) [2024-11-22 01:52:14,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5191 states to 5191 states and 8996 transitions. [2024-11-22 01:52:14,975 INFO L78 Accepts]: Start accepts. Automaton has 5191 states and 8996 transitions. Word has length 99 [2024-11-22 01:52:14,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:14,975 INFO L471 AbstractCegarLoop]: Abstraction has 5191 states and 8996 transitions. [2024-11-22 01:52:14,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 01:52:14,976 INFO L276 IsEmpty]: Start isEmpty. Operand 5191 states and 8996 transitions. [2024-11-22 01:52:14,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-22 01:52:14,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:14,990 INFO L215 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, 1, 1, 1, 1] [2024-11-22 01:52:14,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 01:52:14,990 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:14,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:14,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1950903013, now seen corresponding path program 1 times [2024-11-22 01:52:14,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:14,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663770556] [2024-11-22 01:52:14,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:14,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:15,034 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-22 01:52:15,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:15,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663770556] [2024-11-22 01:52:15,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663770556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:15,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:15,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:52:15,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421416559] [2024-11-22 01:52:15,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:15,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:15,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:15,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:15,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:15,037 INFO L87 Difference]: Start difference. First operand 5191 states and 8996 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 01:52:15,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:15,190 INFO L93 Difference]: Finished difference Result 12919 states and 22663 transitions. [2024-11-22 01:52:15,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:15,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (12), 2 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 100 [2024-11-22 01:52:15,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:15,219 INFO L225 Difference]: With dead ends: 12919 [2024-11-22 01:52:15,219 INFO L226 Difference]: Without dead ends: 8358 [2024-11-22 01:52:15,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:15,231 INFO L432 NwaCegarLoop]: 343 mSDtfsCounter, 82 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:15,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 668 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:15,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8358 states. [2024-11-22 01:52:15,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8358 to 8348. [2024-11-22 01:52:15,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8348 states, 7769 states have (on average 1.7230016733170292) internal successors, (13386), 7775 states have internal predecessors, (13386), 555 states have call successors, (555), 24 states have call predecessors, (555), 23 states have return successors, (557), 548 states have call predecessors, (557), 554 states have call successors, (557) [2024-11-22 01:52:15,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8348 states to 8348 states and 14498 transitions. [2024-11-22 01:52:15,502 INFO L78 Accepts]: Start accepts. Automaton has 8348 states and 14498 transitions. Word has length 100 [2024-11-22 01:52:15,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:15,503 INFO L471 AbstractCegarLoop]: Abstraction has 8348 states and 14498 transitions. [2024-11-22 01:52:15,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 01:52:15,503 INFO L276 IsEmpty]: Start isEmpty. Operand 8348 states and 14498 transitions. [2024-11-22 01:52:15,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-22 01:52:15,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:15,524 INFO L215 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, 1, 1, 1, 1, 1] [2024-11-22 01:52:15,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 01:52:15,524 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:15,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:15,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1936176596, now seen corresponding path program 1 times [2024-11-22 01:52:15,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:15,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488140230] [2024-11-22 01:52:15,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:15,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:15,566 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-22 01:52:15,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:15,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488140230] [2024-11-22 01:52:15,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488140230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:15,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:15,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:52:15,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242470466] [2024-11-22 01:52:15,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:15,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:15,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:15,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:15,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:15,568 INFO L87 Difference]: Start difference. First operand 8348 states and 14498 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 01:52:15,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:15,866 INFO L93 Difference]: Finished difference Result 22038 states and 38623 transitions. [2024-11-22 01:52:15,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:15,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (12), 2 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 101 [2024-11-22 01:52:15,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:15,919 INFO L225 Difference]: With dead ends: 22038 [2024-11-22 01:52:15,919 INFO L226 Difference]: Without dead ends: 14568 [2024-11-22 01:52:15,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:15,938 INFO L432 NwaCegarLoop]: 343 mSDtfsCounter, 80 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:15,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 676 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:15,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14568 states. [2024-11-22 01:52:16,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14568 to 14558. [2024-11-22 01:52:16,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14558 states, 13565 states have (on average 1.717582012532252) internal successors, (23299), 13571 states have internal predecessors, (23299), 969 states have call successors, (969), 24 states have call predecessors, (969), 23 states have return successors, (971), 962 states have call predecessors, (971), 968 states have call successors, (971) [2024-11-22 01:52:16,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14558 states to 14558 states and 25239 transitions. [2024-11-22 01:52:16,663 INFO L78 Accepts]: Start accepts. Automaton has 14558 states and 25239 transitions. Word has length 101 [2024-11-22 01:52:16,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:16,664 INFO L471 AbstractCegarLoop]: Abstraction has 14558 states and 25239 transitions. [2024-11-22 01:52:16,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 01:52:16,666 INFO L276 IsEmpty]: Start isEmpty. Operand 14558 states and 25239 transitions. [2024-11-22 01:52:16,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-22 01:52:16,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:16,696 INFO L215 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, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:16,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 01:52:16,696 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:16,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:16,697 INFO L85 PathProgramCache]: Analyzing trace with hash -186653165, now seen corresponding path program 1 times [2024-11-22 01:52:16,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:16,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473610161] [2024-11-22 01:52:16,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:16,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:16,751 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-22 01:52:16,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:16,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473610161] [2024-11-22 01:52:16,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473610161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:16,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:16,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:52:16,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384155831] [2024-11-22 01:52:16,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:16,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:16,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:16,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:16,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:16,754 INFO L87 Difference]: Start difference. First operand 14558 states and 25239 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 01:52:17,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:17,121 INFO L93 Difference]: Finished difference Result 34095 states and 59053 transitions. [2024-11-22 01:52:17,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:17,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (12), 2 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 102 [2024-11-22 01:52:17,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:17,195 INFO L225 Difference]: With dead ends: 34095 [2024-11-22 01:52:17,195 INFO L226 Difference]: Without dead ends: 21547 [2024-11-22 01:52:17,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:17,230 INFO L432 NwaCegarLoop]: 336 mSDtfsCounter, 78 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:17,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 638 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:17,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21547 states. [2024-11-22 01:52:17,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21547 to 21537. [2024-11-22 01:52:17,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21537 states, 20544 states have (on average 1.693292445482866) internal successors, (34787), 20550 states have internal predecessors, (34787), 969 states have call successors, (969), 24 states have call predecessors, (969), 23 states have return successors, (971), 962 states have call predecessors, (971), 968 states have call successors, (971) [2024-11-22 01:52:18,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21537 states to 21537 states and 36727 transitions. [2024-11-22 01:52:18,013 INFO L78 Accepts]: Start accepts. Automaton has 21537 states and 36727 transitions. Word has length 102 [2024-11-22 01:52:18,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:18,013 INFO L471 AbstractCegarLoop]: Abstraction has 21537 states and 36727 transitions. [2024-11-22 01:52:18,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 01:52:18,014 INFO L276 IsEmpty]: Start isEmpty. Operand 21537 states and 36727 transitions. [2024-11-22 01:52:18,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-22 01:52:18,055 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:18,055 INFO L215 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:18,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 01:52:18,056 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:18,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:18,056 INFO L85 PathProgramCache]: Analyzing trace with hash -2064010262, now seen corresponding path program 1 times [2024-11-22 01:52:18,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:18,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541077498] [2024-11-22 01:52:18,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:18,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:18,118 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-22 01:52:18,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:18,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541077498] [2024-11-22 01:52:18,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541077498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:18,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:18,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:52:18,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496316328] [2024-11-22 01:52:18,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:18,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:18,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:18,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:18,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:18,122 INFO L87 Difference]: Start difference. First operand 21537 states and 36727 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 01:52:18,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:18,789 INFO L93 Difference]: Finished difference Result 58745 states and 100636 transitions. [2024-11-22 01:52:18,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:18,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (12), 2 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 103 [2024-11-22 01:52:18,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:18,897 INFO L225 Difference]: With dead ends: 58745 [2024-11-22 01:52:18,897 INFO L226 Difference]: Without dead ends: 39659 [2024-11-22 01:52:18,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:18,916 INFO L432 NwaCegarLoop]: 336 mSDtfsCounter, 76 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:18,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 668 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:18,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39659 states. [2024-11-22 01:52:19,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39659 to 39649. [2024-11-22 01:52:19,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39649 states, 37855 states have (on average 1.6813630960243033) internal successors, (63648), 37861 states have internal predecessors, (63648), 1770 states have call successors, (1770), 24 states have call predecessors, (1770), 23 states have return successors, (1772), 1763 states have call predecessors, (1772), 1769 states have call successors, (1772) [2024-11-22 01:52:19,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39649 states to 39649 states and 67190 transitions. [2024-11-22 01:52:19,953 INFO L78 Accepts]: Start accepts. Automaton has 39649 states and 67190 transitions. Word has length 103 [2024-11-22 01:52:19,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:19,953 INFO L471 AbstractCegarLoop]: Abstraction has 39649 states and 67190 transitions. [2024-11-22 01:52:19,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 01:52:19,954 INFO L276 IsEmpty]: Start isEmpty. Operand 39649 states and 67190 transitions. [2024-11-22 01:52:19,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-22 01:52:19,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:19,996 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:19,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 01:52:19,997 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:19,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:19,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1799458319, now seen corresponding path program 1 times [2024-11-22 01:52:19,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:19,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453361519] [2024-11-22 01:52:19,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:19,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:20,353 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-22 01:52:20,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:20,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453361519] [2024-11-22 01:52:20,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453361519] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:52:20,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803304968] [2024-11-22 01:52:20,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:20,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:52:20,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:52:20,362 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) [2024-11-22 01:52:20,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 01:52:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:20,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 01:52:20,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:52:20,732 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 01:52:20,735 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:52:20,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803304968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:20,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:52:20,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-22 01:52:20,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218032523] [2024-11-22 01:52:20,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:20,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:20,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:20,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:20,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:52:20,737 INFO L87 Difference]: Start difference. First operand 39649 states and 67190 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (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) [2024-11-22 01:52:21,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:21,427 INFO L93 Difference]: Finished difference Result 76005 states and 129160 transitions. [2024-11-22 01:52:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:21,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (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 107 [2024-11-22 01:52:21,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:21,577 INFO L225 Difference]: With dead ends: 76005 [2024-11-22 01:52:21,577 INFO L226 Difference]: Without dead ends: 39659 [2024-11-22 01:52:21,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:52:21,655 INFO L432 NwaCegarLoop]: 437 mSDtfsCounter, 85 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:21,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 775 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:21,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39659 states. [2024-11-22 01:52:22,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39659 to 39649. [2024-11-22 01:52:22,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39649 states, 37855 states have (on average 1.6675472196539427) internal successors, (63125), 37861 states have internal predecessors, (63125), 1770 states have call successors, (1770), 24 states have call predecessors, (1770), 23 states have return successors, (1772), 1763 states have call predecessors, (1772), 1769 states have call successors, (1772) [2024-11-22 01:52:22,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39649 states to 39649 states and 66667 transitions. [2024-11-22 01:52:22,964 INFO L78 Accepts]: Start accepts. Automaton has 39649 states and 66667 transitions. Word has length 107 [2024-11-22 01:52:22,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:22,964 INFO L471 AbstractCegarLoop]: Abstraction has 39649 states and 66667 transitions. [2024-11-22 01:52:22,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (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) [2024-11-22 01:52:22,965 INFO L276 IsEmpty]: Start isEmpty. Operand 39649 states and 66667 transitions. [2024-11-22 01:52:23,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-22 01:52:23,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:23,017 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:23,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 01:52:23,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-22 01:52:23,218 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:23,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:23,218 INFO L85 PathProgramCache]: Analyzing trace with hash 93987085, now seen corresponding path program 1 times [2024-11-22 01:52:23,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:23,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847496679] [2024-11-22 01:52:23,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:23,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:23,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:23,299 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-22 01:52:23,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:23,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847496679] [2024-11-22 01:52:23,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847496679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:23,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:23,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:52:23,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887782594] [2024-11-22 01:52:23,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:23,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:23,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:23,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:23,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:23,305 INFO L87 Difference]: Start difference. First operand 39649 states and 66667 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 01:52:24,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:24,666 INFO L93 Difference]: Finished difference Result 111228 states and 187432 transitions. [2024-11-22 01:52:24,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:24,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (12), 2 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 104 [2024-11-22 01:52:24,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:24,919 INFO L225 Difference]: With dead ends: 111228 [2024-11-22 01:52:24,919 INFO L226 Difference]: Without dead ends: 74742 [2024-11-22 01:52:24,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:24,990 INFO L432 NwaCegarLoop]: 343 mSDtfsCounter, 74 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:24,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 676 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:25,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74742 states. [2024-11-22 01:52:26,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74742 to 74732. [2024-11-22 01:52:26,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74732 states, 71366 states have (on average 1.6523134265616681) internal successors, (117919), 71372 states have internal predecessors, (117919), 3342 states have call successors, (3342), 24 states have call predecessors, (3342), 23 states have return successors, (3344), 3335 states have call predecessors, (3344), 3341 states have call successors, (3344) [2024-11-22 01:52:27,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74732 states to 74732 states and 124605 transitions. [2024-11-22 01:52:27,518 INFO L78 Accepts]: Start accepts. Automaton has 74732 states and 124605 transitions. Word has length 104 [2024-11-22 01:52:27,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:27,519 INFO L471 AbstractCegarLoop]: Abstraction has 74732 states and 124605 transitions. [2024-11-22 01:52:27,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 01:52:27,520 INFO L276 IsEmpty]: Start isEmpty. Operand 74732 states and 124605 transitions. [2024-11-22 01:52:27,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-22 01:52:27,670 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:27,671 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:27,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 01:52:27,671 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:27,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:27,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1378280616, now seen corresponding path program 1 times [2024-11-22 01:52:27,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:27,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026382607] [2024-11-22 01:52:27,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:27,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:27,722 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-22 01:52:27,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:27,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026382607] [2024-11-22 01:52:27,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026382607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:27,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:27,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:52:27,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918121915] [2024-11-22 01:52:27,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:27,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:27,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:27,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:27,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:27,724 INFO L87 Difference]: Start difference. First operand 74732 states and 124605 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 01:52:29,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:29,333 INFO L93 Difference]: Finished difference Result 143325 states and 238751 transitions. [2024-11-22 01:52:29,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:29,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (12), 2 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 105 [2024-11-22 01:52:29,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:29,794 INFO L225 Difference]: With dead ends: 143325 [2024-11-22 01:52:29,794 INFO L226 Difference]: Without dead ends: 143129 [2024-11-22 01:52:29,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:52:29,870 INFO L432 NwaCegarLoop]: 338 mSDtfsCounter, 70 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:29,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 672 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:30,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143129 states. [2024-11-22 01:52:33,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143129 to 143119. [2024-11-22 01:52:33,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143119 states, 136642 states have (on average 1.6350463254343466) internal successors, (223416), 136648 states have internal predecessors, (223416), 6453 states have call successors, (6453), 24 states have call predecessors, (6453), 23 states have return successors, (6455), 6446 states have call predecessors, (6455), 6452 states have call successors, (6455) [2024-11-22 01:52:33,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143119 states to 143119 states and 236324 transitions. [2024-11-22 01:52:33,555 INFO L78 Accepts]: Start accepts. Automaton has 143119 states and 236324 transitions. Word has length 105 [2024-11-22 01:52:33,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:33,556 INFO L471 AbstractCegarLoop]: Abstraction has 143119 states and 236324 transitions. [2024-11-22 01:52:33,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 01:52:33,556 INFO L276 IsEmpty]: Start isEmpty. Operand 143119 states and 236324 transitions. [2024-11-22 01:52:33,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-22 01:52:33,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:33,673 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:33,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 01:52:33,674 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:33,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:33,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1944126543, now seen corresponding path program 1 times [2024-11-22 01:52:33,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:33,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757979908] [2024-11-22 01:52:33,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:33,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:34,437 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-22 01:52:34,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:34,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757979908] [2024-11-22 01:52:34,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757979908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:34,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:52:34,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 01:52:34,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776806323] [2024-11-22 01:52:34,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:34,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:52:34,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:34,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:52:34,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:52:34,440 INFO L87 Difference]: Start difference. First operand 143119 states and 236324 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 01:52:38,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:38,157 INFO L93 Difference]: Finished difference Result 282284 states and 466510 transitions. [2024-11-22 01:52:38,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:52:38,158 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (12), 2 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 106 [2024-11-22 01:52:38,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:39,419 INFO L225 Difference]: With dead ends: 282284 [2024-11-22 01:52:39,419 INFO L226 Difference]: Without dead ends: 282158 [2024-11-22 01:52:39,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 01:52:39,576 INFO L432 NwaCegarLoop]: 336 mSDtfsCounter, 275 mSDsluCounter, 973 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:39,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 1309 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:39,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282158 states. [2024-11-22 01:52:46,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282158 to 282154. [2024-11-22 01:52:46,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282154 states, 269405 states have (on average 1.6366214435515303) internal successors, (440914), 269415 states have internal predecessors, (440914), 12705 states have call successors, (12705), 47 states have call predecessors, (12705), 43 states have return successors, (12706), 12691 states have call predecessors, (12706), 12703 states have call successors, (12706) [2024-11-22 01:52:48,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282154 states to 282154 states and 466325 transitions. [2024-11-22 01:52:48,612 INFO L78 Accepts]: Start accepts. Automaton has 282154 states and 466325 transitions. Word has length 106 [2024-11-22 01:52:48,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:52:48,612 INFO L471 AbstractCegarLoop]: Abstraction has 282154 states and 466325 transitions. [2024-11-22 01:52:48,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-22 01:52:48,613 INFO L276 IsEmpty]: Start isEmpty. Operand 282154 states and 466325 transitions. [2024-11-22 01:52:48,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-22 01:52:48,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:52:48,755 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:52:48,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-22 01:52:48,756 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:52:48,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:52:48,756 INFO L85 PathProgramCache]: Analyzing trace with hash 169150381, now seen corresponding path program 1 times [2024-11-22 01:52:48,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:52:48,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30471542] [2024-11-22 01:52:48,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:48,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:52:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:48,889 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 01:52:48,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:52:48,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30471542] [2024-11-22 01:52:48,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30471542] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:52:48,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939226659] [2024-11-22 01:52:48,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:52:48,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:52:48,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:52:48,892 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 01:52:48,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 01:52:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:52:49,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 01:52:49,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:52:49,120 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:52:49,120 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:52:49,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939226659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:52:49,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:52:49,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-22 01:52:49,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409336477] [2024-11-22 01:52:49,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:52:49,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:52:49,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:52:49,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:52:49,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:52:49,123 INFO L87 Difference]: Start difference. First operand 282154 states and 466325 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (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) [2024-11-22 01:52:54,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:52:54,652 INFO L93 Difference]: Finished difference Result 557927 states and 922963 transitions. [2024-11-22 01:52:54,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:52:54,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (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 112 [2024-11-22 01:52:54,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:52:55,768 INFO L225 Difference]: With dead ends: 557927 [2024-11-22 01:52:55,770 INFO L226 Difference]: Without dead ends: 282174 [2024-11-22 01:52:56,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:52:56,189 INFO L432 NwaCegarLoop]: 430 mSDtfsCounter, 89 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:52:56,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 767 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:52:56,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282174 states.