./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec27_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_spec27_product23.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 b26e97b5c42973451de5f20f984873ade34b15aaa31cbbdc58b330ea8f51f185 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 23:03:40,074 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 23:03:40,159 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 23:03:40,167 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 23:03:40,168 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 23:03:40,194 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 23:03:40,195 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 23:03:40,195 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 23:03:40,196 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 23:03:40,196 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 23:03:40,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 23:03:40,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 23:03:40,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 23:03:40,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 23:03:40,198 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 23:03:40,198 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 23:03:40,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 23:03:40,201 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 23:03:40,201 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 23:03:40,202 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 23:03:40,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 23:03:40,206 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 23:03:40,206 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 23:03:40,207 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 23:03:40,207 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 23:03:40,208 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 23:03:40,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 23:03:40,208 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 23:03:40,209 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 23:03:40,210 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 23:03:40,211 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 23:03:40,211 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 23:03:40,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:03:40,211 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 23:03:40,212 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 23:03:40,212 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 23:03:40,212 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 23:03:40,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 23:03:40,213 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 23:03:40,213 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 23:03:40,214 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 23:03:40,214 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 23:03:40,215 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b26e97b5c42973451de5f20f984873ade34b15aaa31cbbdc58b330ea8f51f185 [2024-11-09 23:03:40,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 23:03:40,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 23:03:40,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 23:03:40,509 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 23:03:40,510 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 23:03:40,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product23.cil.c [2024-11-09 23:03:41,996 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 23:03:42,288 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 23:03:42,289 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product23.cil.c [2024-11-09 23:03:42,312 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18aaaa7c8/d3b4552064e3473083fe36947f9f8d7c/FLAGcbdaa632e [2024-11-09 23:03:42,572 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18aaaa7c8/d3b4552064e3473083fe36947f9f8d7c [2024-11-09 23:03:42,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 23:03:42,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 23:03:42,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 23:03:42,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 23:03:42,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 23:03:42,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:03:42" (1/1) ... [2024-11-09 23:03:42,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41574b62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:42, skipping insertion in model container [2024-11-09 23:03:42,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:03:42" (1/1) ... [2024-11-09 23:03:42,672 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 23:03:43,257 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_spec27_product23.cil.c[46731,46744] [2024-11-09 23:03:43,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:03:43,372 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 23:03:43,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-11-09 23:03:43,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [380] [2024-11-09 23:03:43,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [415] [2024-11-09 23:03:43,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1483] [2024-11-09 23:03:43,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1823] [2024-11-09 23:03:43,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1858] [2024-11-09 23:03:43,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1875] [2024-11-09 23:03:43,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2277] [2024-11-09 23:03:43,386 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2286] [2024-11-09 23:03:43,386 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2652] [2024-11-09 23:03:43,387 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2749] [2024-11-09 23:03:43,433 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_spec27_product23.cil.c[46731,46744] [2024-11-09 23:03:43,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:03:43,503 INFO L204 MainTranslator]: Completed translation [2024-11-09 23:03:43,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:43 WrapperNode [2024-11-09 23:03:43,504 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 23:03:43,505 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 23:03:43,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 23:03:43,506 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 23:03:43,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:43" (1/1) ... [2024-11-09 23:03:43,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:43" (1/1) ... [2024-11-09 23:03:43,614 INFO L138 Inliner]: procedures = 130, calls = 201, calls flagged for inlining = 58, calls inlined = 52, statements flattened = 950 [2024-11-09 23:03:43,617 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 23:03:43,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 23:03:43,618 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 23:03:43,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 23:03:43,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:43" (1/1) ... [2024-11-09 23:03:43,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:43" (1/1) ... [2024-11-09 23:03:43,641 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:43" (1/1) ... [2024-11-09 23:03:43,679 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-09 23:03:43,680 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:43" (1/1) ... [2024-11-09 23:03:43,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:43" (1/1) ... [2024-11-09 23:03:43,697 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:43" (1/1) ... [2024-11-09 23:03:43,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:43" (1/1) ... [2024-11-09 23:03:43,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:43" (1/1) ... [2024-11-09 23:03:43,713 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:43" (1/1) ... [2024-11-09 23:03:43,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 23:03:43,728 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 23:03:43,728 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 23:03:43,728 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 23:03:43,732 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:43" (1/1) ... [2024-11-09 23:03:43,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:03:43,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:03:43,771 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) [2024-11-09 23:03:43,778 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 [2024-11-09 23:03:43,818 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-09 23:03:43,818 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-09 23:03:43,818 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-09 23:03:43,818 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-09 23:03:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-09 23:03:43,819 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-09 23:03:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-09 23:03:43,819 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-09 23:03:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-09 23:03:43,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-09 23:03:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-09 23:03:43,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-09 23:03:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-09 23:03:43,820 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-09 23:03:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-09 23:03:43,820 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-09 23:03:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-09 23:03:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-09 23:03:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-09 23:03:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-09 23:03:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-09 23:03:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-09 23:03:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 23:03:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-09 23:03:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-09 23:03:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-09 23:03:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-09 23:03:43,822 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-09 23:03:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-09 23:03:43,822 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-09 23:03:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-09 23:03:43,822 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-09 23:03:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-09 23:03:43,822 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2024-11-09 23:03:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2024-11-09 23:03:43,823 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-09 23:03:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-09 23:03:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-09 23:03:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-09 23:03:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-09 23:03:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-09 23:03:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-09 23:03:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-09 23:03:43,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 23:03:43,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 23:03:43,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 23:03:43,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 23:03:43,825 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-09 23:03:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-09 23:03:43,826 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-09 23:03:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-09 23:03:43,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 23:03:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 23:03:44,026 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 23:03:44,028 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 23:03:44,220 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1025-1: getClientPrivateKey_#res#1 := getClientPrivateKey_~retValue_acc~10#1; [2024-11-09 23:03:44,229 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2184: #res := ~retValue_acc~34; [2024-11-09 23:03:44,237 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2258: #res := ~retValue_acc~36; [2024-11-09 23:03:44,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1117: #res#1 := ~retValue_acc~12#1; [2024-11-09 23:03:44,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1072-1: getClientKeyringSize_#res#1 := getClientKeyringSize_~retValue_acc~11#1; [2024-11-09 23:03:44,335 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1341: #res := ~retValue_acc~15; [2024-11-09 23:03:44,352 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2746-1: createEmail_#res#1 := createEmail_~retValue_acc~42#1; [2024-11-09 23:03:44,367 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L569: #res := ~retValue_acc~4; [2024-11-09 23:03:44,407 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2221: #res := ~retValue_acc~35; [2024-11-09 23:03:44,442 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1995: #res := ~retValue_acc~29; [2024-11-09 23:03:44,517 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L895: #res := ~retValue_acc~8; [2024-11-09 23:03:44,637 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1460-1: getClientId_#res#1 := getClientId_~retValue_acc~17#1; [2024-11-09 23:03:44,638 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L978-1: getClientAutoResponse_#res#1 := getClientAutoResponse_~retValue_acc~9#1; [2024-11-09 23:03:44,638 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1719-1: isKeyPairValid_#res#1 := isKeyPairValid_~retValue_acc~22#1; [2024-11-09 23:03:44,924 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1855-1: valid_product_#res#1 := valid_product_~retValue_acc~24#1; [2024-11-09 23:03:44,924 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1180-1: getClientKeyringUser_#res#1 := getClientKeyringUser_~retValue_acc~13#1; [2024-11-09 23:03:44,924 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1676-1: is_queue_empty_#res#1 := is_queue_empty_~retValue_acc~19#1; [2024-11-09 23:03:44,924 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1694-1: get_queued_email_#res#1 := get_queued_email_~retValue_acc~21#1; [2024-11-09 23:03:44,924 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1287-1: getClientKeyringPublicKey_#res#1 := getClientKeyringPublicKey_~retValue_acc~14#1; [2024-11-09 23:03:44,924 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1685-1: get_queued_client_#res#1 := get_queued_client_~retValue_acc~20#1; [2024-11-09 23:03:44,931 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1958: #res := ~retValue_acc~28; [2024-11-09 23:03:44,938 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2722: #res := ~retValue_acc~40; [2024-11-09 23:03:45,119 INFO L? ?]: Removed 509 outVars from TransFormulas that were not future-live. [2024-11-09 23:03:45,119 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 23:03:45,147 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 23:03:45,148 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 23:03:45,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:03:45 BoogieIcfgContainer [2024-11-09 23:03:45,150 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 23:03:45,153 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 23:03:45,154 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 23:03:45,157 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 23:03:45,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:03:42" (1/3) ... [2024-11-09 23:03:45,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519b1882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:03:45, skipping insertion in model container [2024-11-09 23:03:45,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:43" (2/3) ... [2024-11-09 23:03:45,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@519b1882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:03:45, skipping insertion in model container [2024-11-09 23:03:45,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:03:45" (3/3) ... [2024-11-09 23:03:45,162 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product23.cil.c [2024-11-09 23:03:45,180 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 23:03:45,181 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 23:03:45,262 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 23:03:45,272 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;@47c5ea60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 23:03:45,273 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 23:03:45,280 INFO L276 IsEmpty]: Start isEmpty. Operand has 388 states, 310 states have (on average 1.5548387096774194) internal successors, (482), 313 states have internal predecessors, (482), 53 states have call successors, (53), 23 states have call predecessors, (53), 23 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-09 23:03:45,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 23:03:45,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:03:45,314 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:03:45,315 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:03:45,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:03:45,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1455269351, now seen corresponding path program 1 times [2024-11-09 23:03:45,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:03:45,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438427493] [2024-11-09 23:03:45,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:03:45,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:03:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:45,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:03:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:45,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:03:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:46,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:03:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:46,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:03:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:46,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:03:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:46,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:03:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:46,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 23:03:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:46,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 23:03:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:46,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 23:03:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:46,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 23:03:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:46,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 23:03:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:46,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 23:03:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:46,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 23:03:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:46,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:03:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:46,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 23:03:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:46,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 23:03:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:46,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 23:03:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:46,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 23:03:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:46,158 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:03:46,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:03:46,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438427493] [2024-11-09 23:03:46,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438427493] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:03:46,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715735853] [2024-11-09 23:03:46,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:03:46,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:03:46,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:03:46,162 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) [2024-11-09 23:03:46,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 23:03:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:46,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 1174 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 23:03:46,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:03:46,577 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 23:03:46,581 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:03:46,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715735853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:03:46,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:03:46,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-09 23:03:46,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147037779] [2024-11-09 23:03:46,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:03:46,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 23:03:46,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:03:46,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 23:03:46,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:03:46,622 INFO L87 Difference]: Start difference. First operand has 388 states, 310 states have (on average 1.5548387096774194) internal successors, (482), 313 states have internal predecessors, (482), 53 states have call successors, (53), 23 states have call predecessors, (53), 23 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 23:03:46,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:03:46,701 INFO L93 Difference]: Finished difference Result 572 states and 855 transitions. [2024-11-09 23:03:46,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 23:03:46,703 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 137 [2024-11-09 23:03:46,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:03:46,720 INFO L225 Difference]: With dead ends: 572 [2024-11-09 23:03:46,720 INFO L226 Difference]: Without dead ends: 380 [2024-11-09 23:03:46,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:03:46,731 INFO L432 NwaCegarLoop]: 583 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, 583 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 [2024-11-09 23:03:46,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:03:46,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-11-09 23:03:46,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2024-11-09 23:03:46,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 303 states have (on average 1.551155115511551) internal successors, (470), 305 states have internal predecessors, (470), 53 states have call successors, (53), 23 states have call predecessors, (53), 23 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-09 23:03:46,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 575 transitions. [2024-11-09 23:03:46,807 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 575 transitions. Word has length 137 [2024-11-09 23:03:46,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:03:46,809 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 575 transitions. [2024-11-09 23:03:46,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 23:03:46,810 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 575 transitions. [2024-11-09 23:03:46,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-09 23:03:46,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:03:46,815 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:03:46,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 23:03:47,019 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 [2024-11-09 23:03:47,020 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:03:47,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:03:47,021 INFO L85 PathProgramCache]: Analyzing trace with hash -2122507790, now seen corresponding path program 1 times [2024-11-09 23:03:47,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:03:47,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078761900] [2024-11-09 23:03:47,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:03:47,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:03:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:47,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:03:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:47,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:03:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:47,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:03:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:47,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:03:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:47,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:03:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:47,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:03:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:47,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 23:03:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:47,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 23:03:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:47,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 23:03:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:47,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 23:03:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:47,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 23:03:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:47,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 23:03:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:47,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 23:03:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:47,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 23:03:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:47,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 23:03:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:47,408 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 23:03:47,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:03:47,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078761900] [2024-11-09 23:03:47,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078761900] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:03:47,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502407349] [2024-11-09 23:03:47,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:03:47,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:03:47,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:03:47,411 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) [2024-11-09 23:03:47,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 23:03:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:47,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 1098 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 23:03:47,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:03:47,755 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 23:03:47,756 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:03:47,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502407349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:03:47,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:03:47,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-09 23:03:47,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912901611] [2024-11-09 23:03:47,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:03:47,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:03:47,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:03:47,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:03:47,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:03:47,759 INFO L87 Difference]: Start difference. First operand 380 states and 575 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, (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) [2024-11-09 23:03:47,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:03:47,810 INFO L93 Difference]: Finished difference Result 561 states and 832 transitions. [2024-11-09 23:03:47,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:03:47,810 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, (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 120 [2024-11-09 23:03:47,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:03:47,814 INFO L225 Difference]: With dead ends: 561 [2024-11-09 23:03:47,815 INFO L226 Difference]: Without dead ends: 383 [2024-11-09 23:03:47,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:03:47,818 INFO L432 NwaCegarLoop]: 574 mSDtfsCounter, 0 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1146 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 [2024-11-09 23:03:47,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1146 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:03:47,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-11-09 23:03:47,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2024-11-09 23:03:47,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 306 states have (on average 1.5457516339869282) internal successors, (473), 308 states have internal predecessors, (473), 53 states have call successors, (53), 23 states have call predecessors, (53), 23 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-09 23:03:47,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 578 transitions. [2024-11-09 23:03:47,843 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 578 transitions. Word has length 120 [2024-11-09 23:03:47,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:03:47,844 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 578 transitions. [2024-11-09 23:03:47,844 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, (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) [2024-11-09 23:03:47,844 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 578 transitions. [2024-11-09 23:03:47,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-09 23:03:47,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:03:47,847 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:03:47,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 23:03:48,047 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 [2024-11-09 23:03:48,048 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:03:48,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:03:48,049 INFO L85 PathProgramCache]: Analyzing trace with hash -56853166, now seen corresponding path program 1 times [2024-11-09 23:03:48,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:03:48,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341481124] [2024-11-09 23:03:48,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:03:48,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:03:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:48,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:03:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:48,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:03:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:48,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:03:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:48,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:03:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:48,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:03:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:48,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:03:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:48,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 23:03:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:48,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:03:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:48,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 23:03:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:48,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 23:03:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:48,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 23:03:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:48,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 23:03:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:48,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 23:03:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:48,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 23:03:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:48,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 23:03:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:48,314 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 23:03:48,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:03:48,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341481124] [2024-11-09 23:03:48,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341481124] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:03:48,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513983325] [2024-11-09 23:03:48,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:03:48,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:03:48,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:03:48,318 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) [2024-11-09 23:03:48,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 23:03:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:48,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 1125 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 23:03:48,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:03:48,658 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 23:03:48,658 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:03:48,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513983325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:03:48,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:03:48,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-09 23:03:48,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779452922] [2024-11-09 23:03:48,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:03:48,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:03:48,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:03:48,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:03:48,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:03:48,661 INFO L87 Difference]: Start difference. First operand 383 states and 578 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2024-11-09 23:03:48,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:03:48,704 INFO L93 Difference]: Finished difference Result 823 states and 1257 transitions. [2024-11-09 23:03:48,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:03:48,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 130 [2024-11-09 23:03:48,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:03:48,711 INFO L225 Difference]: With dead ends: 823 [2024-11-09 23:03:48,711 INFO L226 Difference]: Without dead ends: 468 [2024-11-09 23:03:48,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:03:48,715 INFO L432 NwaCegarLoop]: 598 mSDtfsCounter, 144 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 1128 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 [2024-11-09 23:03:48,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 1128 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:03:48,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2024-11-09 23:03:48,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 460. [2024-11-09 23:03:48,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 369 states have (on average 1.5501355013550135) internal successors, (572), 371 states have internal predecessors, (572), 67 states have call successors, (67), 23 states have call predecessors, (67), 23 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-09 23:03:48,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 705 transitions. [2024-11-09 23:03:48,758 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 705 transitions. Word has length 130 [2024-11-09 23:03:48,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:03:48,759 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 705 transitions. [2024-11-09 23:03:48,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2024-11-09 23:03:48,762 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 705 transitions. [2024-11-09 23:03:48,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-09 23:03:48,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:03:48,765 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:03:48,783 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 23:03:48,965 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 [2024-11-09 23:03:48,966 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:03:48,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:03:48,967 INFO L85 PathProgramCache]: Analyzing trace with hash -219965701, now seen corresponding path program 1 times [2024-11-09 23:03:48,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:03:48,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62429243] [2024-11-09 23:03:48,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:03:48,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:03:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:49,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:03:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:49,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:03:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:49,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:03:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:49,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 23:03:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:49,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 23:03:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:49,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 23:03:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:49,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 23:03:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:49,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 23:03:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:49,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 23:03:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:49,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 23:03:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:49,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:03:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:49,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 23:03:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:49,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 23:03:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:49,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 23:03:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:49,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 23:03:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:49,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 23:03:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:49,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 23:03:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:49,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 23:03:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:49,249 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-09 23:03:49,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:03:49,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62429243] [2024-11-09 23:03:49,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62429243] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:03:49,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406765091] [2024-11-09 23:03:49,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:03:49,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:03:49,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:03:49,252 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) [2024-11-09 23:03:49,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 23:03:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:49,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 1208 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 23:03:49,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:03:49,652 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 23:03:49,654 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:03:49,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406765091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:03:49,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:03:49,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-09 23:03:49,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097952911] [2024-11-09 23:03:49,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:03:49,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:03:49,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:03:49,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:03:49,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:03:49,658 INFO L87 Difference]: Start difference. First operand 460 states and 705 transitions. Second operand has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-09 23:03:49,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:03:49,716 INFO L93 Difference]: Finished difference Result 911 states and 1400 transitions. [2024-11-09 23:03:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:03:49,717 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 150 [2024-11-09 23:03:49,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:03:49,720 INFO L225 Difference]: With dead ends: 911 [2024-11-09 23:03:49,720 INFO L226 Difference]: Without dead ends: 462 [2024-11-09 23:03:49,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:03:49,723 INFO L432 NwaCegarLoop]: 567 mSDtfsCounter, 2 mSDsluCounter, 1690 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2257 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 [2024-11-09 23:03:49,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2257 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:03:49,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-11-09 23:03:49,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2024-11-09 23:03:49,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 370 states have (on average 1.5486486486486486) internal successors, (573), 373 states have internal predecessors, (573), 67 states have call successors, (67), 23 states have call predecessors, (67), 24 states have return successors, (68), 65 states have call predecessors, (68), 66 states have call successors, (68) [2024-11-09 23:03:49,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 708 transitions. [2024-11-09 23:03:49,746 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 708 transitions. Word has length 150 [2024-11-09 23:03:49,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:03:49,747 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 708 transitions. [2024-11-09 23:03:49,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-09 23:03:49,747 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 708 transitions. [2024-11-09 23:03:49,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-09 23:03:49,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:03:49,751 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:03:49,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 23:03:49,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:03:49,951 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:03:49,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:03:49,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1864267423, now seen corresponding path program 1 times [2024-11-09 23:03:49,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:03:49,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660464702] [2024-11-09 23:03:49,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:03:49,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:03:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:50,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:03:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:50,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:03:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:50,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:03:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:50,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:03:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:50,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 23:03:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:50,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 23:03:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:50,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 23:03:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:50,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 23:03:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:50,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 23:03:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:50,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:03:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:50,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-09 23:03:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:50,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 23:03:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:50,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 23:03:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:50,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 23:03:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:50,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 23:03:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:50,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 23:03:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:50,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 23:03:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:50,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 23:03:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:50,262 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 23:03:50,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:03:50,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660464702] [2024-11-09 23:03:50,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660464702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:03:50,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183095476] [2024-11-09 23:03:50,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:03:50,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:03:50,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:03:50,265 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) [2024-11-09 23:03:50,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 23:03:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:50,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 23:03:50,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:03:50,652 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 23:03:50,653 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 23:03:50,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183095476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:03:50,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 23:03:50,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-09 23:03:50,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173937292] [2024-11-09 23:03:50,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:03:50,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:03:50,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:03:50,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:03:50,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-09 23:03:50,659 INFO L87 Difference]: Start difference. First operand 462 states and 708 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-09 23:03:50,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:03:50,732 INFO L93 Difference]: Finished difference Result 913 states and 1405 transitions. [2024-11-09 23:03:50,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:03:50,733 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 151 [2024-11-09 23:03:50,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:03:50,736 INFO L225 Difference]: With dead ends: 913 [2024-11-09 23:03:50,737 INFO L226 Difference]: Without dead ends: 464 [2024-11-09 23:03:50,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-09 23:03:50,739 INFO L432 NwaCegarLoop]: 565 mSDtfsCounter, 2 mSDsluCounter, 1678 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2243 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:03:50,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2243 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:03:50,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-11-09 23:03:50,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2024-11-09 23:03:50,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 371 states have (on average 1.5471698113207548) internal successors, (574), 375 states have internal predecessors, (574), 67 states have call successors, (67), 23 states have call predecessors, (67), 25 states have return successors, (73), 65 states have call predecessors, (73), 66 states have call successors, (73) [2024-11-09 23:03:50,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 714 transitions. [2024-11-09 23:03:50,765 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 714 transitions. Word has length 151 [2024-11-09 23:03:50,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:03:50,766 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 714 transitions. [2024-11-09 23:03:50,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-09 23:03:50,767 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 714 transitions. [2024-11-09 23:03:50,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-09 23:03:50,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:03:50,770 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:03:50,789 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 23:03:50,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:03:50,971 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:03:50,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:03:50,972 INFO L85 PathProgramCache]: Analyzing trace with hash 4377069, now seen corresponding path program 1 times [2024-11-09 23:03:50,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:03:50,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524974233] [2024-11-09 23:03:50,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:03:50,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:03:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:51,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:03:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:51,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:03:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:51,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:03:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:51,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:03:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:51,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:03:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:51,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 23:03:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:51,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 23:03:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:51,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 23:03:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:51,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 23:03:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:51,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 23:03:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:51,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 23:03:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:51,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:03:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:51,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 23:03:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:51,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 23:03:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:51,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 23:03:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:51,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 23:03:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:51,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 23:03:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:51,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-09 23:03:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:51,249 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-09 23:03:51,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:03:51,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524974233] [2024-11-09 23:03:51,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524974233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:03:51,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:03:51,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:03:51,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696688065] [2024-11-09 23:03:51,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:03:51,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:03:51,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:03:51,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:03:51,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:03:51,251 INFO L87 Difference]: Start difference. First operand 464 states and 714 transitions. Second operand has 9 states, 8 states have (on average 11.875) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-09 23:03:53,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:03:53,356 INFO L93 Difference]: Finished difference Result 1023 states and 1599 transitions. [2024-11-09 23:03:53,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 23:03:53,357 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 152 [2024-11-09 23:03:53,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:03:53,362 INFO L225 Difference]: With dead ends: 1023 [2024-11-09 23:03:53,362 INFO L226 Difference]: Without dead ends: 582 [2024-11-09 23:03:53,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-09 23:03:53,366 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1252 mSDsluCounter, 1197 mSDsCounter, 0 mSdLazyCounter, 2365 mSolverCounterSat, 388 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1253 SdHoareTripleChecker+Valid, 1418 SdHoareTripleChecker+Invalid, 2753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 388 IncrementalHoareTripleChecker+Valid, 2365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-09 23:03:53,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1253 Valid, 1418 Invalid, 2753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [388 Valid, 2365 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-09 23:03:53,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2024-11-09 23:03:53,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 464. [2024-11-09 23:03:53,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 371 states have (on average 1.5471698113207548) internal successors, (574), 375 states have internal predecessors, (574), 67 states have call successors, (67), 23 states have call predecessors, (67), 25 states have return successors, (72), 65 states have call predecessors, (72), 66 states have call successors, (72) [2024-11-09 23:03:53,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 713 transitions. [2024-11-09 23:03:53,404 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 713 transitions. Word has length 152 [2024-11-09 23:03:53,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:03:53,405 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 713 transitions. [2024-11-09 23:03:53,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-09 23:03:53,405 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 713 transitions. [2024-11-09 23:03:53,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-09 23:03:53,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:03:53,408 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:03:53,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 23:03:53,409 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:03:53,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:03:53,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1821320544, now seen corresponding path program 1 times [2024-11-09 23:03:53,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:03:53,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092983158] [2024-11-09 23:03:53,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:03:53,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:03:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:53,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:03:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:53,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:03:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:53,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:03:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:53,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:03:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:53,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:03:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:53,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 23:03:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:53,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 23:03:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:53,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 23:03:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:53,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 23:03:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:53,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:03:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:53,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 23:03:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:53,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 23:03:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:53,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 23:03:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:53,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 23:03:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:53,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 23:03:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:53,641 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 23:03:53,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:03:53,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092983158] [2024-11-09 23:03:53,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092983158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:03:53,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:03:53,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:03:53,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967981853] [2024-11-09 23:03:53,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:03:53,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:03:53,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:03:53,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:03:53,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:03:53,643 INFO L87 Difference]: Start difference. First operand 464 states and 713 transitions. Second operand has 9 states, 8 states have (on average 11.125) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-09 23:03:55,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:03:55,630 INFO L93 Difference]: Finished difference Result 1025 states and 1602 transitions. [2024-11-09 23:03:55,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 23:03:55,632 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.125) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 134 [2024-11-09 23:03:55,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:03:55,637 INFO L225 Difference]: With dead ends: 1025 [2024-11-09 23:03:55,637 INFO L226 Difference]: Without dead ends: 584 [2024-11-09 23:03:55,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-09 23:03:55,639 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1245 mSDsluCounter, 1197 mSDsCounter, 0 mSdLazyCounter, 2396 mSolverCounterSat, 379 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1246 SdHoareTripleChecker+Valid, 1418 SdHoareTripleChecker+Invalid, 2775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 379 IncrementalHoareTripleChecker+Valid, 2396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 23:03:55,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1246 Valid, 1418 Invalid, 2775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [379 Valid, 2396 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 23:03:55,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2024-11-09 23:03:55,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 466. [2024-11-09 23:03:55,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 372 states have (on average 1.5456989247311828) internal successors, (575), 377 states have internal predecessors, (575), 67 states have call successors, (67), 23 states have call predecessors, (67), 26 states have return successors, (74), 65 states have call predecessors, (74), 66 states have call successors, (74) [2024-11-09 23:03:55,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 716 transitions. [2024-11-09 23:03:55,679 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 716 transitions. Word has length 134 [2024-11-09 23:03:55,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:03:55,680 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 716 transitions. [2024-11-09 23:03:55,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.125) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-09 23:03:55,680 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 716 transitions. [2024-11-09 23:03:55,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-09 23:03:55,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:03:55,684 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:03:55,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 23:03:55,684 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:03:55,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:03:55,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1772026230, now seen corresponding path program 1 times [2024-11-09 23:03:55,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:03:55,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041263866] [2024-11-09 23:03:55,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:03:55,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:03:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:55,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:03:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:55,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:03:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:55,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:03:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:55,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:03:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:55,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:03:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:55,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:03:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:55,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 23:03:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:56,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 23:03:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:56,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 23:03:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:56,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 23:03:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:56,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 23:03:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:56,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 23:03:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:56,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 23:03:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:56,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 23:03:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:56,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 23:03:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:56,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 23:03:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:56,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 23:03:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:56,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 23:03:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:56,036 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 23:03:56,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:03:56,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041263866] [2024-11-09 23:03:56,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041263866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:03:56,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:03:56,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 23:03:56,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932772093] [2024-11-09 23:03:56,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:03:56,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 23:03:56,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:03:56,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 23:03:56,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:03:56,039 INFO L87 Difference]: Start difference. First operand 466 states and 716 transitions. Second operand has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 8 states have internal predecessors, (100), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-09 23:03:58,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:03:58,689 INFO L93 Difference]: Finished difference Result 1023 states and 1597 transitions. [2024-11-09 23:03:58,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:03:58,690 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 8 states have internal predecessors, (100), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 154 [2024-11-09 23:03:58,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:03:58,694 INFO L225 Difference]: With dead ends: 1023 [2024-11-09 23:03:58,694 INFO L226 Difference]: Without dead ends: 584 [2024-11-09 23:03:58,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-09 23:03:58,699 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1251 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 4005 mSolverCounterSat, 391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1252 SdHoareTripleChecker+Valid, 1966 SdHoareTripleChecker+Invalid, 4396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 391 IncrementalHoareTripleChecker+Valid, 4005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:03:58,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1252 Valid, 1966 Invalid, 4396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [391 Valid, 4005 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-09 23:03:58,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2024-11-09 23:03:58,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 466. [2024-11-09 23:03:58,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 372 states have (on average 1.5456989247311828) internal successors, (575), 377 states have internal predecessors, (575), 67 states have call successors, (67), 23 states have call predecessors, (67), 26 states have return successors, (73), 65 states have call predecessors, (73), 66 states have call successors, (73) [2024-11-09 23:03:58,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 715 transitions. [2024-11-09 23:03:58,732 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 715 transitions. Word has length 154 [2024-11-09 23:03:58,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:03:58,733 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 715 transitions. [2024-11-09 23:03:58,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 8 states have internal predecessors, (100), 4 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-09 23:03:58,733 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 715 transitions. [2024-11-09 23:03:58,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-09 23:03:58,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:03:58,736 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:03:58,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 23:03:58,736 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:03:58,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:03:58,736 INFO L85 PathProgramCache]: Analyzing trace with hash 804095183, now seen corresponding path program 1 times [2024-11-09 23:03:58,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:03:58,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444918377] [2024-11-09 23:03:58,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:03:58,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:03:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:58,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:03:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:58,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:03:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:58,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:03:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:58,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:03:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:58,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:03:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:58,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:03:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:58,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 23:03:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:58,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 23:03:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:59,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 23:03:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:59,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 23:03:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:59,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 23:03:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:59,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 23:03:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:59,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 23:03:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:59,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 23:03:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:59,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 23:03:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:03:59,015 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 23:03:59,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:03:59,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444918377] [2024-11-09 23:03:59,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444918377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:03:59,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:03:59,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 23:03:59,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282439159] [2024-11-09 23:03:59,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:03:59,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 23:03:59,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:03:59,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 23:03:59,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:03:59,017 INFO L87 Difference]: Start difference. First operand 466 states and 715 transitions. Second operand has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-09 23:04:01,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:04:01,687 INFO L93 Difference]: Finished difference Result 1025 states and 1603 transitions. [2024-11-09 23:04:01,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:04:01,688 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 136 [2024-11-09 23:04:01,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:04:01,693 INFO L225 Difference]: With dead ends: 1025 [2024-11-09 23:04:01,693 INFO L226 Difference]: Without dead ends: 586 [2024-11-09 23:04:01,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-09 23:04:01,696 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1249 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 4000 mSolverCounterSat, 391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1250 SdHoareTripleChecker+Valid, 1966 SdHoareTripleChecker+Invalid, 4391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 391 IncrementalHoareTripleChecker+Valid, 4000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:04:01,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1250 Valid, 1966 Invalid, 4391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [391 Valid, 4000 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-09 23:04:01,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2024-11-09 23:04:01,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 468. [2024-11-09 23:04:01,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 373 states have (on average 1.5442359249329758) internal successors, (576), 379 states have internal predecessors, (576), 67 states have call successors, (67), 23 states have call predecessors, (67), 27 states have return successors, (78), 65 states have call predecessors, (78), 66 states have call successors, (78) [2024-11-09 23:04:01,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 721 transitions. [2024-11-09 23:04:01,730 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 721 transitions. Word has length 136 [2024-11-09 23:04:01,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:04:01,731 INFO L471 AbstractCegarLoop]: Abstraction has 468 states and 721 transitions. [2024-11-09 23:04:01,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-09 23:04:01,731 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 721 transitions. [2024-11-09 23:04:01,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-09 23:04:01,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:04:01,735 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:04:01,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 23:04:01,735 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:04:01,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:04:01,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1661175961, now seen corresponding path program 1 times [2024-11-09 23:04:01,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:04:01,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997558738] [2024-11-09 23:04:01,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:04:01,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:04:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:01,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:04:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:01,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:04:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:01,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:04:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:01,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:04:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:01,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:04:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:01,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:04:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:01,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 23:04:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:01,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 23:04:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:02,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 23:04:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:02,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:04:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:02,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 23:04:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:02,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:04:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:02,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 23:04:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:02,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 23:04:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:02,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 23:04:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:02,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 23:04:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:02,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 23:04:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:02,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 23:04:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:02,021 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-09 23:04:02,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:04:02,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997558738] [2024-11-09 23:04:02,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997558738] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:04:02,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548544127] [2024-11-09 23:04:02,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:04:02,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:04:02,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:04:02,024 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) [2024-11-09 23:04:02,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 23:04:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:02,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 23:04:02,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:04:02,437 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-09 23:04:02,438 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:04:02,579 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-09 23:04:02,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548544127] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:04:02,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:04:02,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-09 23:04:02,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035404204] [2024-11-09 23:04:02,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:04:02,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 23:04:02,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:04:02,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 23:04:02,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-09 23:04:02,582 INFO L87 Difference]: Start difference. First operand 468 states and 721 transitions. Second operand has 15 states, 14 states have (on average 12.071428571428571) internal successors, (169), 11 states have internal predecessors, (169), 4 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-09 23:04:05,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:04:05,224 INFO L93 Difference]: Finished difference Result 1515 states and 2450 transitions. [2024-11-09 23:04:05,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 23:04:05,224 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 12.071428571428571) internal successors, (169), 11 states have internal predecessors, (169), 4 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) Word has length 156 [2024-11-09 23:04:05,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:04:05,231 INFO L225 Difference]: With dead ends: 1515 [2024-11-09 23:04:05,231 INFO L226 Difference]: Without dead ends: 1079 [2024-11-09 23:04:05,233 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-09 23:04:05,234 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 2548 mSDsluCounter, 2083 mSDsCounter, 0 mSdLazyCounter, 4410 mSolverCounterSat, 752 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2569 SdHoareTripleChecker+Valid, 2295 SdHoareTripleChecker+Invalid, 5162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 752 IncrementalHoareTripleChecker+Valid, 4410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:04:05,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2569 Valid, 2295 Invalid, 5162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [752 Valid, 4410 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-09 23:04:05,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states. [2024-11-09 23:04:05,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 937. [2024-11-09 23:04:05,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 937 states, 763 states have (on average 1.563564875491481) internal successors, (1193), 769 states have internal predecessors, (1193), 146 states have call successors, (146), 23 states have call predecessors, (146), 27 states have return successors, (167), 144 states have call predecessors, (167), 145 states have call successors, (167) [2024-11-09 23:04:05,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1506 transitions. [2024-11-09 23:04:05,281 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1506 transitions. Word has length 156 [2024-11-09 23:04:05,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:04:05,281 INFO L471 AbstractCegarLoop]: Abstraction has 937 states and 1506 transitions. [2024-11-09 23:04:05,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 12.071428571428571) internal successors, (169), 11 states have internal predecessors, (169), 4 states have call successors, (43), 6 states have call predecessors, (43), 3 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-09 23:04:05,282 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1506 transitions. [2024-11-09 23:04:05,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-09 23:04:05,286 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:04:05,286 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:04:05,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 23:04:05,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:04:05,488 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:04:05,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:04:05,488 INFO L85 PathProgramCache]: Analyzing trace with hash 477246077, now seen corresponding path program 1 times [2024-11-09 23:04:05,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:04:05,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226547364] [2024-11-09 23:04:05,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:04:05,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:04:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:05,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:04:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:05,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:04:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:05,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:04:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:05,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:04:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:05,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:04:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:05,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:04:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:05,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 23:04:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:05,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 23:04:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:05,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 23:04:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:05,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 23:04:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:05,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 23:04:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:05,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 23:04:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:05,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 23:04:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:05,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 23:04:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:05,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 23:04:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:05,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 23:04:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:05,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 23:04:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:05,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-09 23:04:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:05,620 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-09 23:04:05,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:04:05,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226547364] [2024-11-09 23:04:05,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226547364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:04:05,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:04:05,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:04:05,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420848357] [2024-11-09 23:04:05,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:04:05,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:04:05,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:04:05,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:04:05,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:04:05,623 INFO L87 Difference]: Start difference. First operand 937 states and 1506 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 23:04:06,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:04:06,959 INFO L93 Difference]: Finished difference Result 2362 states and 3881 transitions. [2024-11-09 23:04:06,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:04:06,960 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 167 [2024-11-09 23:04:06,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:04:06,970 INFO L225 Difference]: With dead ends: 2362 [2024-11-09 23:04:06,970 INFO L226 Difference]: Without dead ends: 1505 [2024-11-09 23:04:06,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:04:06,974 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 1384 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 1341 mSolverCounterSat, 452 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1402 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 1793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 452 IncrementalHoareTripleChecker+Valid, 1341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:04:06,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1402 Valid, 1041 Invalid, 1793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [452 Valid, 1341 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 23:04:06,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1505 states. [2024-11-09 23:04:07,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1505 to 1379. [2024-11-09 23:04:07,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1379 states, 1126 states have (on average 1.5674955595026643) internal successors, (1765), 1132 states have internal predecessors, (1765), 225 states have call successors, (225), 23 states have call predecessors, (225), 27 states have return successors, (256), 223 states have call predecessors, (256), 224 states have call successors, (256) [2024-11-09 23:04:07,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1379 states and 2246 transitions. [2024-11-09 23:04:07,040 INFO L78 Accepts]: Start accepts. Automaton has 1379 states and 2246 transitions. Word has length 167 [2024-11-09 23:04:07,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:04:07,041 INFO L471 AbstractCegarLoop]: Abstraction has 1379 states and 2246 transitions. [2024-11-09 23:04:07,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 23:04:07,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 2246 transitions. [2024-11-09 23:04:07,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-09 23:04:07,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:04:07,048 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:04:07,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 23:04:07,049 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:04:07,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:04:07,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1173359712, now seen corresponding path program 1 times [2024-11-09 23:04:07,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:04:07,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767001792] [2024-11-09 23:04:07,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:04:07,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:04:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:07,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:04:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:07,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:04:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:07,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:04:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:07,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:04:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:07,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:04:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:07,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:04:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:07,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 23:04:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:07,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 23:04:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:07,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 23:04:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:07,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 23:04:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:07,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 23:04:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:07,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 23:04:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:07,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 23:04:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:07,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 23:04:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:07,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 23:04:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:07,206 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:04:07,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:04:07,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767001792] [2024-11-09 23:04:07,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767001792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:04:07,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:04:07,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:04:07,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590926773] [2024-11-09 23:04:07,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:04:07,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:04:07,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:04:07,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:04:07,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:04:07,208 INFO L87 Difference]: Start difference. First operand 1379 states and 2246 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:04:08,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:04:08,550 INFO L93 Difference]: Finished difference Result 3466 states and 5720 transitions. [2024-11-09 23:04:08,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:04:08,551 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 149 [2024-11-09 23:04:08,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:04:08,563 INFO L225 Difference]: With dead ends: 3466 [2024-11-09 23:04:08,563 INFO L226 Difference]: Without dead ends: 2226 [2024-11-09 23:04:08,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:04:08,570 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1386 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 455 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1405 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 1771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 455 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:04:08,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1405 Valid, 1036 Invalid, 1771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [455 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 23:04:08,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2226 states. [2024-11-09 23:04:08,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2226 to 2100. [2024-11-09 23:04:08,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 1728 states have (on average 1.5665509259259258) internal successors, (2707), 1734 states have internal predecessors, (2707), 344 states have call successors, (344), 23 states have call predecessors, (344), 27 states have return successors, (375), 342 states have call predecessors, (375), 343 states have call successors, (375) [2024-11-09 23:04:08,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 3426 transitions. [2024-11-09 23:04:08,717 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 3426 transitions. Word has length 149 [2024-11-09 23:04:08,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:04:08,718 INFO L471 AbstractCegarLoop]: Abstraction has 2100 states and 3426 transitions. [2024-11-09 23:04:08,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:04:08,718 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 3426 transitions. [2024-11-09 23:04:08,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-09 23:04:08,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:04:08,731 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:04:08,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 23:04:08,732 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:04:08,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:04:08,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1005090452, now seen corresponding path program 1 times [2024-11-09 23:04:08,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:04:08,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239791302] [2024-11-09 23:04:08,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:04:08,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:04:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:08,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:04:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:08,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:04:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:08,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:04:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:08,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:04:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:08,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:04:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:08,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:04:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:08,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 23:04:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:08,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 23:04:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:08,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 23:04:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:08,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 23:04:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:08,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 23:04:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:08,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 23:04:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:08,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 23:04:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:08,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 23:04:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:08,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 23:04:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:08,879 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:04:08,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:04:08,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239791302] [2024-11-09 23:04:08,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239791302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:04:08,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:04:08,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:04:08,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129495528] [2024-11-09 23:04:08,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:04:08,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:04:08,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:04:08,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:04:08,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:04:08,882 INFO L87 Difference]: Start difference. First operand 2100 states and 3426 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:04:10,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:04:10,130 INFO L93 Difference]: Finished difference Result 5153 states and 8538 transitions. [2024-11-09 23:04:10,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:04:10,130 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 150 [2024-11-09 23:04:10,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:04:10,148 INFO L225 Difference]: With dead ends: 5153 [2024-11-09 23:04:10,148 INFO L226 Difference]: Without dead ends: 3341 [2024-11-09 23:04:10,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:04:10,155 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1380 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 1333 mSolverCounterSat, 453 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1398 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 1786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 453 IncrementalHoareTripleChecker+Valid, 1333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:04:10,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1398 Valid, 1036 Invalid, 1786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [453 Valid, 1333 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 23:04:10,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3341 states. [2024-11-09 23:04:10,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3341 to 3215. [2024-11-09 23:04:10,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3215 states, 2681 states have (on average 1.565833644162626) internal successors, (4198), 2687 states have internal predecessors, (4198), 506 states have call successors, (506), 23 states have call predecessors, (506), 27 states have return successors, (553), 504 states have call predecessors, (553), 505 states have call successors, (553) [2024-11-09 23:04:10,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5257 transitions. [2024-11-09 23:04:10,279 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5257 transitions. Word has length 150 [2024-11-09 23:04:10,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:04:10,280 INFO L471 AbstractCegarLoop]: Abstraction has 3215 states and 5257 transitions. [2024-11-09 23:04:10,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:04:10,281 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5257 transitions. [2024-11-09 23:04:10,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-09 23:04:10,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:04:10,295 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:04:10,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 23:04:10,295 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:04:10,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:04:10,295 INFO L85 PathProgramCache]: Analyzing trace with hash 21830545, now seen corresponding path program 1 times [2024-11-09 23:04:10,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:04:10,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489700] [2024-11-09 23:04:10,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:04:10,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:04:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:10,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:04:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:10,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:04:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:10,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:04:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:10,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:04:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:10,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:04:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:10,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:04:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:10,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 23:04:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:10,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 23:04:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:10,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 23:04:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:10,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 23:04:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:10,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 23:04:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:10,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 23:04:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:10,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 23:04:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:10,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 23:04:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:10,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 23:04:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:10,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 23:04:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:10,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 23:04:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:10,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-09 23:04:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:10,430 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-09 23:04:10,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:04:10,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489700] [2024-11-09 23:04:10,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:04:10,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:04:10,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:04:10,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295785966] [2024-11-09 23:04:10,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:04:10,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:04:10,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:04:10,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:04:10,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:04:10,434 INFO L87 Difference]: Start difference. First operand 3215 states and 5257 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 23:04:11,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:04:11,890 INFO L93 Difference]: Finished difference Result 7834 states and 13015 transitions. [2024-11-09 23:04:11,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:04:11,890 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 170 [2024-11-09 23:04:11,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:04:11,919 INFO L225 Difference]: With dead ends: 7834 [2024-11-09 23:04:11,920 INFO L226 Difference]: Without dead ends: 5152 [2024-11-09 23:04:11,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:04:11,931 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1378 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 1320 mSolverCounterSat, 451 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1396 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 1771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 451 IncrementalHoareTripleChecker+Valid, 1320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:04:11,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1396 Valid, 1035 Invalid, 1771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [451 Valid, 1320 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 23:04:11,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5152 states. [2024-11-09 23:04:12,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5152 to 5026. [2024-11-09 23:04:12,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5026 states, 4247 states have (on average 1.5646338591947258) internal successors, (6645), 4253 states have internal predecessors, (6645), 751 states have call successors, (751), 23 states have call predecessors, (751), 27 states have return successors, (824), 749 states have call predecessors, (824), 750 states have call successors, (824) [2024-11-09 23:04:12,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5026 states to 5026 states and 8220 transitions. [2024-11-09 23:04:12,181 INFO L78 Accepts]: Start accepts. Automaton has 5026 states and 8220 transitions. Word has length 170 [2024-11-09 23:04:12,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:04:12,181 INFO L471 AbstractCegarLoop]: Abstraction has 5026 states and 8220 transitions. [2024-11-09 23:04:12,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 23:04:12,182 INFO L276 IsEmpty]: Start isEmpty. Operand 5026 states and 8220 transitions. [2024-11-09 23:04:12,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-09 23:04:12,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:04:12,201 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:04:12,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 23:04:12,201 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:04:12,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:04:12,202 INFO L85 PathProgramCache]: Analyzing trace with hash -123540108, now seen corresponding path program 1 times [2024-11-09 23:04:12,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:04:12,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39807354] [2024-11-09 23:04:12,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:04:12,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:04:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:12,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:04:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:12,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:04:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:12,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:04:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:12,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:04:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:12,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:04:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:12,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:04:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:12,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 23:04:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:12,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 23:04:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:12,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 23:04:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:12,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 23:04:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:12,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 23:04:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:12,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 23:04:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:12,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-09 23:04:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:12,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-09 23:04:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:12,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-09 23:04:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:12,326 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:04:12,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:04:12,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39807354] [2024-11-09 23:04:12,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39807354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:04:12,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:04:12,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:04:12,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706384787] [2024-11-09 23:04:12,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:04:12,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:04:12,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:04:12,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:04:12,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:04:12,328 INFO L87 Difference]: Start difference. First operand 5026 states and 8220 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:04:13,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:04:13,878 INFO L93 Difference]: Finished difference Result 12600 states and 20939 transitions. [2024-11-09 23:04:13,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:04:13,879 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 152 [2024-11-09 23:04:13,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:04:13,931 INFO L225 Difference]: With dead ends: 12600 [2024-11-09 23:04:13,932 INFO L226 Difference]: Without dead ends: 8401 [2024-11-09 23:04:13,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:04:13,949 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 1373 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1392 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 1799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 438 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:04:13,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1392 Valid, 1072 Invalid, 1799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [438 Valid, 1361 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 23:04:13,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8401 states. [2024-11-09 23:04:14,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8401 to 8275. [2024-11-09 23:04:14,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8275 states, 7003 states have (on average 1.5579037555333428) internal successors, (10910), 7009 states have internal predecessors, (10910), 1244 states have call successors, (1244), 23 states have call predecessors, (1244), 27 states have return successors, (1361), 1242 states have call predecessors, (1361), 1243 states have call successors, (1361) [2024-11-09 23:04:14,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8275 states to 8275 states and 13515 transitions. [2024-11-09 23:04:14,361 INFO L78 Accepts]: Start accepts. Automaton has 8275 states and 13515 transitions. Word has length 152 [2024-11-09 23:04:14,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:04:14,362 INFO L471 AbstractCegarLoop]: Abstraction has 8275 states and 13515 transitions. [2024-11-09 23:04:14,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:04:14,362 INFO L276 IsEmpty]: Start isEmpty. Operand 8275 states and 13515 transitions. [2024-11-09 23:04:14,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-09 23:04:14,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:04:14,387 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:04:14,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 23:04:14,387 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:04:14,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:04:14,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1102503264, now seen corresponding path program 1 times [2024-11-09 23:04:14,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:04:14,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882590655] [2024-11-09 23:04:14,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:04:14,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:04:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:14,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:04:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:14,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:04:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:14,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:04:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:14,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:04:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:14,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:04:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:14,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:04:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:14,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 23:04:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:14,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:04:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:14,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 23:04:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:14,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 23:04:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:14,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 23:04:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:14,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 23:04:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:14,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 23:04:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:14,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 23:04:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:14,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 23:04:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:14,500 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:04:14,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:04:14,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882590655] [2024-11-09 23:04:14,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882590655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:04:14,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:04:14,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:04:14,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346865164] [2024-11-09 23:04:14,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:04:14,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:04:14,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:04:14,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:04:14,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:04:14,502 INFO L87 Difference]: Start difference. First operand 8275 states and 13515 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:04:16,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:04:16,003 INFO L93 Difference]: Finished difference Result 21106 states and 34989 transitions. [2024-11-09 23:04:16,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:04:16,003 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 153 [2024-11-09 23:04:16,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:04:16,076 INFO L225 Difference]: With dead ends: 21106 [2024-11-09 23:04:16,077 INFO L226 Difference]: Without dead ends: 14122 [2024-11-09 23:04:16,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:04:16,106 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 1371 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 1350 mSolverCounterSat, 443 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1389 SdHoareTripleChecker+Valid, 1039 SdHoareTripleChecker+Invalid, 1793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 443 IncrementalHoareTripleChecker+Valid, 1350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:04:16,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1389 Valid, 1039 Invalid, 1793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [443 Valid, 1350 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 23:04:16,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14122 states. [2024-11-09 23:04:16,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14122 to 13996. [2024-11-09 23:04:16,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13996 states, 11902 states have (on average 1.5546126701394725) internal successors, (18503), 11908 states have internal predecessors, (18503), 2066 states have call successors, (2066), 23 states have call predecessors, (2066), 27 states have return successors, (2261), 2064 states have call predecessors, (2261), 2065 states have call successors, (2261) [2024-11-09 23:04:16,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13996 states to 13996 states and 22830 transitions. [2024-11-09 23:04:16,680 INFO L78 Accepts]: Start accepts. Automaton has 13996 states and 22830 transitions. Word has length 153 [2024-11-09 23:04:16,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:04:16,683 INFO L471 AbstractCegarLoop]: Abstraction has 13996 states and 22830 transitions. [2024-11-09 23:04:16,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:04:16,684 INFO L276 IsEmpty]: Start isEmpty. Operand 13996 states and 22830 transitions. [2024-11-09 23:04:16,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-09 23:04:16,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:04:16,721 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:04:16,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 23:04:16,721 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:04:16,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:04:16,722 INFO L85 PathProgramCache]: Analyzing trace with hash 983172084, now seen corresponding path program 1 times [2024-11-09 23:04:16,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:04:16,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209260507] [2024-11-09 23:04:16,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:04:16,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:04:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:16,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:04:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:16,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:04:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:16,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:04:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:16,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:04:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:16,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:04:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:16,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:04:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:16,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 23:04:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:16,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 23:04:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:16,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 23:04:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:16,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 23:04:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:16,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 23:04:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:16,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 23:04:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:16,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 23:04:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:16,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 23:04:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:16,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 23:04:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:16,846 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:04:16,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:04:16,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209260507] [2024-11-09 23:04:16,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209260507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:04:16,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:04:16,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:04:16,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305969247] [2024-11-09 23:04:16,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:04:16,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:04:16,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:04:16,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:04:16,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:04:16,850 INFO L87 Difference]: Start difference. First operand 13996 states and 22830 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:04:18,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:04:18,636 INFO L93 Difference]: Finished difference Result 34119 states and 55904 transitions. [2024-11-09 23:04:18,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:04:18,636 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 154 [2024-11-09 23:04:18,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:04:18,723 INFO L225 Difference]: With dead ends: 34119 [2024-11-09 23:04:18,724 INFO L226 Difference]: Without dead ends: 22474 [2024-11-09 23:04:18,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:04:18,759 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1365 mSDsluCounter, 790 mSDsCounter, 0 mSdLazyCounter, 1335 mSolverCounterSat, 445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1383 SdHoareTripleChecker+Valid, 1011 SdHoareTripleChecker+Invalid, 1780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 445 IncrementalHoareTripleChecker+Valid, 1335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:04:18,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1383 Valid, 1011 Invalid, 1780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [445 Valid, 1335 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 23:04:18,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22474 states. [2024-11-09 23:04:19,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22474 to 22348. [2024-11-09 23:04:19,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22348 states, 19051 states have (on average 1.5207600650884467) internal successors, (28972), 19057 states have internal predecessors, (28972), 3269 states have call successors, (3269), 23 states have call predecessors, (3269), 27 states have return successors, (3608), 3267 states have call predecessors, (3608), 3268 states have call successors, (3608) [2024-11-09 23:04:19,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22348 states to 22348 states and 35849 transitions. [2024-11-09 23:04:19,684 INFO L78 Accepts]: Start accepts. Automaton has 22348 states and 35849 transitions. Word has length 154 [2024-11-09 23:04:19,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:04:19,684 INFO L471 AbstractCegarLoop]: Abstraction has 22348 states and 35849 transitions. [2024-11-09 23:04:19,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:04:19,684 INFO L276 IsEmpty]: Start isEmpty. Operand 22348 states and 35849 transitions. [2024-11-09 23:04:19,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-09 23:04:19,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:04:19,709 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:04:19,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 23:04:19,710 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:04:19,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:04:19,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1585619631, now seen corresponding path program 1 times [2024-11-09 23:04:19,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:04:19,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340665103] [2024-11-09 23:04:19,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:04:19,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:04:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:19,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:04:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:19,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:04:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:19,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:04:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:19,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:04:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:19,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:04:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:19,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:04:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:19,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 23:04:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:19,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 23:04:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:19,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 23:04:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:19,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 23:04:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:19,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 23:04:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:19,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 23:04:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:19,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 23:04:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:19,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 23:04:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:19,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 23:04:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:19,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 23:04:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:19,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 23:04:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:19,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 23:04:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:19,834 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-09 23:04:19,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:04:19,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340665103] [2024-11-09 23:04:19,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340665103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:04:19,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:04:19,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:04:19,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552807964] [2024-11-09 23:04:19,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:04:19,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:04:19,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:04:19,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:04:19,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:04:19,838 INFO L87 Difference]: Start difference. First operand 22348 states and 35849 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 23:04:22,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:04:22,025 INFO L93 Difference]: Finished difference Result 59533 states and 96804 transitions. [2024-11-09 23:04:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:04:22,026 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 174 [2024-11-09 23:04:22,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:04:22,196 INFO L225 Difference]: With dead ends: 59533 [2024-11-09 23:04:22,196 INFO L226 Difference]: Without dead ends: 40292 [2024-11-09 23:04:22,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:04:22,258 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1365 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 1335 mSolverCounterSat, 456 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1383 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 1791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 456 IncrementalHoareTripleChecker+Valid, 1335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:04:22,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1383 Valid, 1037 Invalid, 1791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [456 Valid, 1335 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 23:04:22,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40292 states. [2024-11-09 23:04:23,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40292 to 40166. [2024-11-09 23:04:23,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40166 states, 34419 states have (on average 1.5147157093465817) internal successors, (52135), 34425 states have internal predecessors, (52135), 5719 states have call successors, (5719), 23 states have call predecessors, (5719), 27 states have return successors, (6332), 5717 states have call predecessors, (6332), 5718 states have call successors, (6332) [2024-11-09 23:04:24,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40166 states to 40166 states and 64186 transitions. [2024-11-09 23:04:24,037 INFO L78 Accepts]: Start accepts. Automaton has 40166 states and 64186 transitions. Word has length 174 [2024-11-09 23:04:24,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:04:24,037 INFO L471 AbstractCegarLoop]: Abstraction has 40166 states and 64186 transitions. [2024-11-09 23:04:24,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 23:04:24,038 INFO L276 IsEmpty]: Start isEmpty. Operand 40166 states and 64186 transitions. [2024-11-09 23:04:24,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-09 23:04:24,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:04:24,087 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:04:24,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 23:04:24,087 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:04:24,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:04:24,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1524063828, now seen corresponding path program 1 times [2024-11-09 23:04:24,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:04:24,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084096771] [2024-11-09 23:04:24,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:04:24,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:04:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:24,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:04:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:24,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:04:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:24,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:04:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:24,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:04:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:24,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:04:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:24,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:04:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:24,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 23:04:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:24,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 23:04:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:24,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 23:04:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:24,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 23:04:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:24,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 23:04:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:24,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 23:04:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:24,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-09 23:04:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:24,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 23:04:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:24,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 23:04:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:24,222 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:04:24,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:04:24,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084096771] [2024-11-09 23:04:24,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084096771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:04:24,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:04:24,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:04:24,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379382587] [2024-11-09 23:04:24,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:04:24,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:04:24,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:04:24,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:04:24,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:04:24,226 INFO L87 Difference]: Start difference. First operand 40166 states and 64186 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:04:27,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:04:27,333 INFO L93 Difference]: Finished difference Result 110232 states and 178030 transitions. [2024-11-09 23:04:27,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:04:27,333 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 156 [2024-11-09 23:04:27,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:04:27,704 INFO L225 Difference]: With dead ends: 110232 [2024-11-09 23:04:27,705 INFO L226 Difference]: Without dead ends: 74235 [2024-11-09 23:04:27,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:04:27,802 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1364 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 1324 mSolverCounterSat, 456 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1383 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 1780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 456 IncrementalHoareTripleChecker+Valid, 1324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:04:27,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1383 Valid, 1036 Invalid, 1780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [456 Valid, 1324 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 23:04:27,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74235 states. [2024-11-09 23:04:30,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74235 to 74109. [2024-11-09 23:04:30,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74109 states, 63849 states have (on average 1.5081833701389216) internal successors, (96296), 63855 states have internal predecessors, (96296), 10232 states have call successors, (10232), 23 states have call predecessors, (10232), 27 states have return successors, (11377), 10230 states have call predecessors, (11377), 10231 states have call successors, (11377) [2024-11-09 23:04:31,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74109 states to 74109 states and 117905 transitions. [2024-11-09 23:04:31,062 INFO L78 Accepts]: Start accepts. Automaton has 74109 states and 117905 transitions. Word has length 156 [2024-11-09 23:04:31,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:04:31,063 INFO L471 AbstractCegarLoop]: Abstraction has 74109 states and 117905 transitions. [2024-11-09 23:04:31,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:04:31,064 INFO L276 IsEmpty]: Start isEmpty. Operand 74109 states and 117905 transitions. [2024-11-09 23:04:31,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-09 23:04:31,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:04:31,123 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:04:31,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 23:04:31,124 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:04:31,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:04:31,124 INFO L85 PathProgramCache]: Analyzing trace with hash -303594176, now seen corresponding path program 1 times [2024-11-09 23:04:31,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:04:31,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572786575] [2024-11-09 23:04:31,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:04:31,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:04:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:31,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:04:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:31,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:04:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:31,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:04:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:31,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:04:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:31,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:04:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:31,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:04:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:31,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 23:04:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:31,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 23:04:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:31,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 23:04:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:31,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 23:04:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:31,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 23:04:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:31,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 23:04:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:31,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 23:04:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:31,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 23:04:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:31,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 23:04:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:31,267 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:04:31,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:04:31,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572786575] [2024-11-09 23:04:31,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572786575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:04:31,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:04:31,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:04:31,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986406664] [2024-11-09 23:04:31,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:04:31,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:04:31,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:04:31,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:04:31,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:04:31,271 INFO L87 Difference]: Start difference. First operand 74109 states and 117905 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:04:35,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:04:35,118 INFO L93 Difference]: Finished difference Result 139701 states and 225500 transitions. [2024-11-09 23:04:35,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:04:35,119 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 157 [2024-11-09 23:04:35,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:04:35,720 INFO L225 Difference]: With dead ends: 139701 [2024-11-09 23:04:35,720 INFO L226 Difference]: Without dead ends: 139523 [2024-11-09 23:04:35,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-09 23:04:35,765 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 1356 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 1343 mSolverCounterSat, 438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1373 SdHoareTripleChecker+Valid, 1046 SdHoareTripleChecker+Invalid, 1781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 438 IncrementalHoareTripleChecker+Valid, 1343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:04:35,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1373 Valid, 1046 Invalid, 1781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [438 Valid, 1343 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 23:04:35,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139523 states. [2024-11-09 23:04:39,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139523 to 139397. [2024-11-09 23:04:39,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139397 states, 120769 states have (on average 1.501039173960205) internal successors, (181279), 120775 states have internal predecessors, (181279), 18600 states have call successors, (18600), 23 states have call predecessors, (18600), 27 states have return successors, (20791), 18598 states have call predecessors, (20791), 18599 states have call successors, (20791) [2024-11-09 23:04:39,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139397 states to 139397 states and 220670 transitions. [2024-11-09 23:04:40,030 INFO L78 Accepts]: Start accepts. Automaton has 139397 states and 220670 transitions. Word has length 157 [2024-11-09 23:04:40,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:04:40,031 INFO L471 AbstractCegarLoop]: Abstraction has 139397 states and 220670 transitions. [2024-11-09 23:04:40,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:04:40,031 INFO L276 IsEmpty]: Start isEmpty. Operand 139397 states and 220670 transitions. [2024-11-09 23:04:40,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-09 23:04:40,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:04:40,110 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:04:40,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 23:04:40,110 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:04:40,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:04:40,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1571443892, now seen corresponding path program 1 times [2024-11-09 23:04:40,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:04:40,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331958871] [2024-11-09 23:04:40,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:04:40,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:04:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:40,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 23:04:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:40,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 23:04:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:40,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 23:04:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:40,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 23:04:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:40,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 23:04:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:40,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 23:04:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:40,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 23:04:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:40,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 23:04:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:40,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 23:04:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:40,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 23:04:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:40,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 23:04:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:40,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-09 23:04:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:40,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 23:04:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:40,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-09 23:04:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:40,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 23:04:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:04:40,339 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 23:04:40,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:04:40,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331958871] [2024-11-09 23:04:40,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331958871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:04:40,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:04:40,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:04:40,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358742336] [2024-11-09 23:04:40,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:04:40,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:04:40,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:04:40,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:04:40,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:04:40,342 INFO L87 Difference]: Start difference. First operand 139397 states and 220670 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:04:44,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:04:44,995 INFO L93 Difference]: Finished difference Result 139685 states and 224396 transitions. [2024-11-09 23:04:44,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 23:04:44,996 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 158 [2024-11-09 23:04:44,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:04:45,562 INFO L225 Difference]: With dead ends: 139685 [2024-11-09 23:04:45,563 INFO L226 Difference]: Without dead ends: 139515 [2024-11-09 23:04:45,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2024-11-09 23:04:45,614 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 1242 mSDsluCounter, 1198 mSDsCounter, 0 mSdLazyCounter, 2372 mSolverCounterSat, 382 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1242 SdHoareTripleChecker+Valid, 1420 SdHoareTripleChecker+Invalid, 2754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 382 IncrementalHoareTripleChecker+Valid, 2372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:04:45,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1242 Valid, 1420 Invalid, 2754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [382 Valid, 2372 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-09 23:04:45,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139515 states. [2024-11-09 23:04:49,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139515 to 139397. [2024-11-09 23:04:49,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139397 states, 120769 states have (on average 1.5010308936896057) internal successors, (181278), 120775 states have internal predecessors, (181278), 18600 states have call successors, (18600), 23 states have call predecessors, (18600), 27 states have return successors, (20791), 18598 states have call predecessors, (20791), 18599 states have call successors, (20791) [2024-11-09 23:04:50,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139397 states to 139397 states and 220669 transitions. [2024-11-09 23:04:50,068 INFO L78 Accepts]: Start accepts. Automaton has 139397 states and 220669 transitions. Word has length 158 [2024-11-09 23:04:50,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:04:50,068 INFO L471 AbstractCegarLoop]: Abstraction has 139397 states and 220669 transitions. [2024-11-09 23:04:50,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 23:04:50,068 INFO L276 IsEmpty]: Start isEmpty. Operand 139397 states and 220669 transitions. [2024-11-09 23:04:50,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-09 23:04:50,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:04:50,121 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:04:50,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 23:04:50,121 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 23:04:50,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:04:50,122 INFO L85 PathProgramCache]: Analyzing trace with hash 730100428, now seen corresponding path program 1 times [2024-11-09 23:04:50,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:04:50,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422939050] [2024-11-09 23:04:50,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:04:50,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:04:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat