./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec0_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/product-lines/email_spec0_product40.cil.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'b2243f2ebf184fce0ef7b08cdc971efef96ae919ab8c33e807ab93ab6dbfb0b7'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec0_product40.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 b2243f2ebf184fce0ef7b08cdc971efef96ae919ab8c33e807ab93ab6dbfb0b7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-06 23:27:29,567 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 23:27:29,639 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-06 23:27:29,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 23:27:29,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 23:27:29,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 23:27:29,680 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 23:27:29,680 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 23:27:29,681 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 23:27:29,681 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 23:27:29,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 23:27:29,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 23:27:29,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 23:27:29,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 23:27:29,683 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 23:27:29,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 23:27:29,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 23:27:29,683 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-06 23:27:29,683 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-06 23:27:29,683 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-06 23:27:29,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 23:27:29,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 23:27:29,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 23:27:29,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 23:27:29,684 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 23:27:29,684 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-06 23:27:29,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 23:27:29,684 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 23:27:29,684 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 23:27:29,684 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 23:27:29,684 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 23:27:29,684 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 23:27:29,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 23:27:29,684 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 23:27:29,684 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 23:27:29,685 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 23:27:29,685 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-06 23:27:29,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-06 23:27:29,685 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 23:27:29,685 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 23:27:29,685 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 23:27:29,685 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 23:27:29,685 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> b2243f2ebf184fce0ef7b08cdc971efef96ae919ab8c33e807ab93ab6dbfb0b7 [2024-11-06 23:27:29,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 23:27:29,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 23:27:29,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 23:27:29,972 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 23:27:29,972 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 23:27:29,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product40.cil.c [2024-11-06 23:27:31,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 23:27:31,646 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 23:27:31,649 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product40.cil.c [2024-11-06 23:27:31,675 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/146f98311/312f24ce707648adb77e1888c09136f0/FLAGc7855d61b [2024-11-06 23:27:31,837 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/146f98311/312f24ce707648adb77e1888c09136f0 [2024-11-06 23:27:31,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 23:27:31,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-06 23:27:31,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 23:27:31,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 23:27:31,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 23:27:31,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:27:31" (1/1) ... [2024-11-06 23:27:31,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@309493bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:27:31, skipping insertion in model container [2024-11-06 23:27:31,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:27:31" (1/1) ... [2024-11-06 23:27:31,886 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 23:27:32,115 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product40.cil.c[7657,7670] [2024-11-06 23:27:32,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 23:27:32,325 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 23:27:32,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2024-11-06 23:27:32,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [392] [2024-11-06 23:27:32,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [401] [2024-11-06 23:27:32,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [683] [2024-11-06 23:27:32,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [718] [2024-11-06 23:27:32,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [1780] [2024-11-06 23:27:32,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1800] [2024-11-06 23:27:32,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2022] [2024-11-06 23:27:32,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2039] [2024-11-06 23:27:32,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2103] [2024-11-06 23:27:32,335 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2510] [2024-11-06 23:27:32,358 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product40.cil.c[7657,7670] [2024-11-06 23:27:32,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 23:27:32,502 INFO L204 MainTranslator]: Completed translation [2024-11-06 23:27:32,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:27:32 WrapperNode [2024-11-06 23:27:32,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 23:27:32,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 23:27:32,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 23:27:32,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 23:27:32,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:27:32" (1/1) ... [2024-11-06 23:27:32,528 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:27:32" (1/1) ... [2024-11-06 23:27:32,580 INFO L138 Inliner]: procedures = 127, calls = 185, calls flagged for inlining = 52, calls inlined = 49, statements flattened = 908 [2024-11-06 23:27:32,581 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 23:27:32,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 23:27:32,581 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 23:27:32,581 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 23:27:32,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:27:32" (1/1) ... [2024-11-06 23:27:32,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:27:32" (1/1) ... [2024-11-06 23:27:32,602 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:27:32" (1/1) ... [2024-11-06 23:27:32,656 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]. [2024-11-06 23:27:32,658 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:27:32" (1/1) ... [2024-11-06 23:27:32,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:27:32" (1/1) ... [2024-11-06 23:27:32,680 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:27:32" (1/1) ... [2024-11-06 23:27:32,695 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:27:32" (1/1) ... [2024-11-06 23:27:32,702 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:27:32" (1/1) ... [2024-11-06 23:27:32,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:27:32" (1/1) ... [2024-11-06 23:27:32,717 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 23:27:32,719 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 23:27:32,719 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 23:27:32,719 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 23:27:32,720 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:27:32" (1/1) ... [2024-11-06 23:27:32,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 23:27:32,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:27:32,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-06 23:27:32,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-06 23:27:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-06 23:27:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-06 23:27:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-06 23:27:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-06 23:27:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-06 23:27:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-06 23:27:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-06 23:27:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-06 23:27:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-06 23:27:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-06 23:27:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-06 23:27:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-06 23:27:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-06 23:27:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-06 23:27:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-06 23:27:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-06 23:27:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-06 23:27:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-06 23:27:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-06 23:27:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-06 23:27:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-06 23:27:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-06 23:27:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 23:27:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-06 23:27:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-06 23:27:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-06 23:27:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-06 23:27:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-06 23:27:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-06 23:27:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-06 23:27:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-06 23:27:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-06 23:27:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-06 23:27:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-06 23:27:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-06 23:27:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-06 23:27:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-06 23:27:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-06 23:27:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-06 23:27:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-06 23:27:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-06 23:27:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-06 23:27:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-06 23:27:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-06 23:27:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-06 23:27:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 23:27:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 23:27:32,983 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 23:27:32,987 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 23:27:33,892 INFO L? ?]: Removed 433 outVars from TransFormulas that were not future-live. [2024-11-06 23:27:33,893 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 23:27:33,915 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 23:27:33,916 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 23:27:33,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:27:33 BoogieIcfgContainer [2024-11-06 23:27:33,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 23:27:33,918 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 23:27:33,918 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 23:27:33,923 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 23:27:33,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:27:31" (1/3) ... [2024-11-06 23:27:33,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@355ccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:27:33, skipping insertion in model container [2024-11-06 23:27:33,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:27:32" (2/3) ... [2024-11-06 23:27:33,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@355ccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:27:33, skipping insertion in model container [2024-11-06 23:27:33,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:27:33" (3/3) ... [2024-11-06 23:27:33,926 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product40.cil.c [2024-11-06 23:27:33,938 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 23:27:33,938 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 23:27:34,005 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 23:27:34,016 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;@577515d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 23:27:34,016 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 23:27:34,021 INFO L276 IsEmpty]: Start isEmpty. Operand has 336 states, 262 states have (on average 1.5648854961832062) internal successors, (410), 265 states have internal predecessors, (410), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-06 23:27:34,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-06 23:27:34,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:27:34,039 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:27:34,040 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:27:34,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:27:34,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1406926796, now seen corresponding path program 1 times [2024-11-06 23:27:34,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:27:34,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362759976] [2024-11-06 23:27:34,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:27:34,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:27:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:34,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:27:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:34,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:27:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:34,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:27:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:34,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-06 23:27:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:34,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-06 23:27:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:34,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-06 23:27:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:34,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-06 23:27:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:34,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-06 23:27:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:34,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-06 23:27:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:34,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-06 23:27:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:34,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-06 23:27:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:34,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-06 23:27:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:34,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-06 23:27:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:34,949 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-06 23:27:34,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:27:34,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362759976] [2024-11-06 23:27:34,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362759976] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:27:34,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78134342] [2024-11-06 23:27:34,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:27:34,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:27:34,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:27:34,956 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 23:27:34,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-06 23:27:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:35,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 976 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 23:27:35,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:27:35,335 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-06 23:27:35,337 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:27:35,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78134342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:27:35,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:27:35,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-06 23:27:35,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397063717] [2024-11-06 23:27:35,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:27:35,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 23:27:35,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:27:35,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 23:27:35,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-06 23:27:35,364 INFO L87 Difference]: Start difference. First operand has 336 states, 262 states have (on average 1.5648854961832062) internal successors, (410), 265 states have internal predecessors, (410), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:27:35,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:27:35,409 INFO L93 Difference]: Finished difference Result 474 states and 710 transitions. [2024-11-06 23:27:35,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 23:27:35,411 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 106 [2024-11-06 23:27:35,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:27:35,425 INFO L225 Difference]: With dead ends: 474 [2024-11-06 23:27:35,426 INFO L226 Difference]: Without dead ends: 329 [2024-11-06 23:27:35,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-06 23:27:35,432 INFO L432 NwaCegarLoop]: 510 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, 510 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 [2024-11-06 23:27:35,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:27:35,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-11-06 23:27:35,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2024-11-06 23:27:35,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 256 states have (on average 1.55859375) internal successors, (399), 258 states have internal predecessors, (399), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-06 23:27:35,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 502 transitions. [2024-11-06 23:27:35,499 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 502 transitions. Word has length 106 [2024-11-06 23:27:35,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:27:35,501 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 502 transitions. [2024-11-06 23:27:35,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:27:35,501 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 502 transitions. [2024-11-06 23:27:35,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-06 23:27:35,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:27:35,512 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:27:35,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-06 23:27:35,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-06 23:27:35,713 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:27:35,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:27:35,714 INFO L85 PathProgramCache]: Analyzing trace with hash 367503438, now seen corresponding path program 1 times [2024-11-06 23:27:35,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:27:35,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803274277] [2024-11-06 23:27:35,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:27:35,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:27:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:35,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:27:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:35,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:27:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:35,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:27:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:36,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-06 23:27:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:36,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-06 23:27:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:36,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-06 23:27:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:36,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-06 23:27:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:36,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-06 23:27:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:36,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-06 23:27:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:36,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-06 23:27:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:36,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-06 23:27:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:36,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:27:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:36,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-06 23:27:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:36,078 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-06 23:27:36,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:27:36,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803274277] [2024-11-06 23:27:36,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803274277] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:27:36,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984393386] [2024-11-06 23:27:36,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:27:36,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:27:36,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:27:36,083 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 23:27:36,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-06 23:27:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:36,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 23:27:36,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:27:36,468 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-06 23:27:36,469 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:27:36,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984393386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:27:36,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:27:36,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-06 23:27:36,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339203921] [2024-11-06 23:27:36,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:27:36,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 23:27:36,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:27:36,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 23:27:36,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-06 23:27:36,472 INFO L87 Difference]: Start difference. First operand 329 states and 502 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:27:36,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:27:36,535 INFO L93 Difference]: Finished difference Result 464 states and 688 transitions. [2024-11-06 23:27:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 23:27:36,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 107 [2024-11-06 23:27:36,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:27:36,542 INFO L225 Difference]: With dead ends: 464 [2024-11-06 23:27:36,542 INFO L226 Difference]: Without dead ends: 332 [2024-11-06 23:27:36,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-06 23:27:36,545 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 1 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 23:27:36,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 998 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:27:36,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-06 23:27:36,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 331. [2024-11-06 23:27:36,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 258 states have (on average 1.554263565891473) internal successors, (401), 260 states have internal predecessors, (401), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (51), 50 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-06 23:27:36,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 504 transitions. [2024-11-06 23:27:36,584 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 504 transitions. Word has length 107 [2024-11-06 23:27:36,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:27:36,584 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 504 transitions. [2024-11-06 23:27:36,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:27:36,585 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 504 transitions. [2024-11-06 23:27:36,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-06 23:27:36,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:27:36,590 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:27:36,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-06 23:27:36,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:27:36,791 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:27:36,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:27:36,791 INFO L85 PathProgramCache]: Analyzing trace with hash -204057119, now seen corresponding path program 1 times [2024-11-06 23:27:36,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:27:36,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027546767] [2024-11-06 23:27:36,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:27:36,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:27:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:36,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:27:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:27:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:27:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-06 23:27:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-06 23:27:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-06 23:27:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-06 23:27:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-06 23:27:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-06 23:27:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-06 23:27:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-06 23:27:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-06 23:27:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-06 23:27:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,122 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-06 23:27:37,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:27:37,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027546767] [2024-11-06 23:27:37,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027546767] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:27:37,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004936369] [2024-11-06 23:27:37,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:27:37,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:27:37,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:27:37,128 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 23:27:37,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-06 23:27:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 23:27:37,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:27:37,467 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-06 23:27:37,467 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:27:37,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004936369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:27:37,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:27:37,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-06 23:27:37,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112524780] [2024-11-06 23:27:37,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:27:37,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 23:27:37,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:27:37,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 23:27:37,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-06 23:27:37,473 INFO L87 Difference]: Start difference. First operand 331 states and 504 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:27:37,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:27:37,515 INFO L93 Difference]: Finished difference Result 715 states and 1108 transitions. [2024-11-06 23:27:37,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 23:27:37,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 116 [2024-11-06 23:27:37,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:27:37,522 INFO L225 Difference]: With dead ends: 715 [2024-11-06 23:27:37,523 INFO L226 Difference]: Without dead ends: 411 [2024-11-06 23:27:37,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-06 23:27:37,525 INFO L432 NwaCegarLoop]: 519 mSDtfsCounter, 142 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 975 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 [2024-11-06 23:27:37,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 975 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:27:37,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-06 23:27:37,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 403. [2024-11-06 23:27:37,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 316 states have (on average 1.5759493670886076) internal successors, (498), 318 states have internal predecessors, (498), 66 states have call successors, (66), 20 states have call predecessors, (66), 20 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-06 23:27:37,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 629 transitions. [2024-11-06 23:27:37,552 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 629 transitions. Word has length 116 [2024-11-06 23:27:37,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:27:37,552 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 629 transitions. [2024-11-06 23:27:37,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:27:37,553 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 629 transitions. [2024-11-06 23:27:37,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-06 23:27:37,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:27:37,556 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:27:37,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-06 23:27:37,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:27:37,756 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:27:37,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:27:37,757 INFO L85 PathProgramCache]: Analyzing trace with hash -2123369663, now seen corresponding path program 1 times [2024-11-06 23:27:37,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:27:37,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750323897] [2024-11-06 23:27:37,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:27:37,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:27:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:27:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:27:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:27:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-06 23:27:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-06 23:27:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-06 23:27:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:27:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-06 23:27:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-06 23:27:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-06 23:27:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:37,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-06 23:27:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:38,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-06 23:27:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:38,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-06 23:27:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:38,010 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-06 23:27:38,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:27:38,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750323897] [2024-11-06 23:27:38,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750323897] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:27:38,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973970179] [2024-11-06 23:27:38,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:27:38,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:27:38,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:27:38,014 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 23:27:38,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-06 23:27:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:38,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-06 23:27:38,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:27:38,355 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-06 23:27:38,355 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:27:38,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973970179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:27:38,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:27:38,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-06 23:27:38,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505493937] [2024-11-06 23:27:38,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:27:38,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:27:38,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:27:38,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:27:38,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:27:38,357 INFO L87 Difference]: Start difference. First operand 403 states and 629 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-06 23:27:38,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:27:38,437 INFO L93 Difference]: Finished difference Result 797 states and 1248 transitions. [2024-11-06 23:27:38,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 23:27:38,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 117 [2024-11-06 23:27:38,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:27:38,441 INFO L225 Difference]: With dead ends: 797 [2024-11-06 23:27:38,441 INFO L226 Difference]: Without dead ends: 405 [2024-11-06 23:27:38,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:27:38,446 INFO L432 NwaCegarLoop]: 494 mSDtfsCounter, 2 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1965 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 [2024-11-06 23:27:38,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1965 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:27:38,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-06 23:27:38,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2024-11-06 23:27:38,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 317 states have (on average 1.5741324921135647) internal successors, (499), 320 states have internal predecessors, (499), 66 states have call successors, (66), 20 states have call predecessors, (66), 21 states have return successors, (67), 64 states have call predecessors, (67), 65 states have call successors, (67) [2024-11-06 23:27:38,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 632 transitions. [2024-11-06 23:27:38,471 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 632 transitions. Word has length 117 [2024-11-06 23:27:38,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:27:38,472 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 632 transitions. [2024-11-06 23:27:38,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-06 23:27:38,474 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 632 transitions. [2024-11-06 23:27:38,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-06 23:27:38,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:27:38,477 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:27:38,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-06 23:27:38,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:27:38,680 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:27:38,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:27:38,681 INFO L85 PathProgramCache]: Analyzing trace with hash -2069827737, now seen corresponding path program 1 times [2024-11-06 23:27:38,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:27:38,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100180102] [2024-11-06 23:27:38,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:27:38,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:27:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:38,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:27:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:38,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:27:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:38,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:27:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:38,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:27:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:38,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-06 23:27:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:38,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-06 23:27:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:38,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-06 23:27:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:38,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-06 23:27:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:38,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-06 23:27:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:38,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-06 23:27:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:38,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-06 23:27:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:38,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:27:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:38,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-06 23:27:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:38,963 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-06 23:27:38,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:27:38,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100180102] [2024-11-06 23:27:38,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100180102] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:27:38,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144434837] [2024-11-06 23:27:38,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:27:38,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:27:38,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:27:38,966 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 23:27:38,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-06 23:27:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:39,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 1008 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-06 23:27:39,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:27:39,337 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-06 23:27:39,337 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:27:39,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144434837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:27:39,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:27:39,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-06 23:27:39,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572576218] [2024-11-06 23:27:39,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:27:39,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:27:39,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:27:39,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:27:39,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-06 23:27:39,341 INFO L87 Difference]: Start difference. First operand 405 states and 632 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-06 23:27:39,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:27:39,431 INFO L93 Difference]: Finished difference Result 799 states and 1253 transitions. [2024-11-06 23:27:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 23:27:39,432 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 118 [2024-11-06 23:27:39,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:27:39,437 INFO L225 Difference]: With dead ends: 799 [2024-11-06 23:27:39,437 INFO L226 Difference]: Without dead ends: 407 [2024-11-06 23:27:39,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-06 23:27:39,440 INFO L432 NwaCegarLoop]: 492 mSDtfsCounter, 2 mSDsluCounter, 1459 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1951 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 [2024-11-06 23:27:39,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1951 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:27:39,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-06 23:27:39,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2024-11-06 23:27:39,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 318 states have (on average 1.5723270440251573) internal successors, (500), 322 states have internal predecessors, (500), 66 states have call successors, (66), 20 states have call predecessors, (66), 22 states have return successors, (72), 64 states have call predecessors, (72), 65 states have call successors, (72) [2024-11-06 23:27:39,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 638 transitions. [2024-11-06 23:27:39,470 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 638 transitions. Word has length 118 [2024-11-06 23:27:39,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:27:39,471 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 638 transitions. [2024-11-06 23:27:39,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-06 23:27:39,471 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 638 transitions. [2024-11-06 23:27:39,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-06 23:27:39,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:27:39,476 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:27:39,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-06 23:27:39,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:27:39,677 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:27:39,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:27:39,677 INFO L85 PathProgramCache]: Analyzing trace with hash 961121911, now seen corresponding path program 1 times [2024-11-06 23:27:39,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:27:39,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975293281] [2024-11-06 23:27:39,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:27:39,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:27:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:39,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:27:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:39,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:27:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:39,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:27:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:39,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:27:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:39,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:27:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:39,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:27:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:39,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-06 23:27:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:39,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-06 23:27:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:39,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-06 23:27:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:39,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:27:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:39,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-06 23:27:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:39,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-06 23:27:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:39,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-06 23:27:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:39,906 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-06 23:27:39,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:27:39,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975293281] [2024-11-06 23:27:39,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975293281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:27:39,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:27:39,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-06 23:27:39,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285600241] [2024-11-06 23:27:39,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:27:39,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-06 23:27:39,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:27:39,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-06 23:27:39,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-06 23:27:39,909 INFO L87 Difference]: Start difference. First operand 407 states and 638 transitions. Second operand has 9 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-06 23:27:42,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:27:42,082 INFO L93 Difference]: Finished difference Result 945 states and 1508 transitions. [2024-11-06 23:27:42,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-06 23:27:42,083 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 119 [2024-11-06 23:27:42,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:27:42,087 INFO L225 Difference]: With dead ends: 945 [2024-11-06 23:27:42,087 INFO L226 Difference]: Without dead ends: 561 [2024-11-06 23:27:42,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-06 23:27:42,089 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 996 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 2358 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 997 SdHoareTripleChecker+Valid, 1402 SdHoareTripleChecker+Invalid, 2732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 2358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-06 23:27:42,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [997 Valid, 1402 Invalid, 2732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 2358 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-06 23:27:42,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2024-11-06 23:27:42,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 407. [2024-11-06 23:27:42,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 318 states have (on average 1.5723270440251573) internal successors, (500), 322 states have internal predecessors, (500), 66 states have call successors, (66), 20 states have call predecessors, (66), 22 states have return successors, (71), 64 states have call predecessors, (71), 65 states have call successors, (71) [2024-11-06 23:27:42,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 637 transitions. [2024-11-06 23:27:42,144 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 637 transitions. Word has length 119 [2024-11-06 23:27:42,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:27:42,144 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 637 transitions. [2024-11-06 23:27:42,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-06 23:27:42,145 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 637 transitions. [2024-11-06 23:27:42,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-06 23:27:42,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:27:42,147 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:27:42,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-06 23:27:42,148 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:27:42,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:27:42,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1104683589, now seen corresponding path program 2 times [2024-11-06 23:27:42,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:27:42,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872603965] [2024-11-06 23:27:42,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:27:42,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:27:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:42,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:27:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:42,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:27:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:42,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:27:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:42,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:27:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:42,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:27:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:42,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-06 23:27:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:42,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-06 23:27:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:42,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-06 23:27:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:42,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:27:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:42,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-06 23:27:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:42,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-06 23:27:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:42,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-06 23:27:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:42,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-06 23:27:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:42,351 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-06 23:27:42,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:27:42,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872603965] [2024-11-06 23:27:42,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872603965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:27:42,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:27:42,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-06 23:27:42,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567107013] [2024-11-06 23:27:42,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:27:42,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-06 23:27:42,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:27:42,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-06 23:27:42,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-06 23:27:42,354 INFO L87 Difference]: Start difference. First operand 407 states and 637 transitions. Second operand has 9 states, 8 states have (on average 9.625) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-06 23:27:44,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:27:44,354 INFO L93 Difference]: Finished difference Result 947 states and 1511 transitions. [2024-11-06 23:27:44,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-06 23:27:44,355 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.625) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 120 [2024-11-06 23:27:44,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:27:44,359 INFO L225 Difference]: With dead ends: 947 [2024-11-06 23:27:44,360 INFO L226 Difference]: Without dead ends: 563 [2024-11-06 23:27:44,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-06 23:27:44,362 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 992 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 2344 mSolverCounterSat, 371 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 993 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 2715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 371 IncrementalHoareTripleChecker+Valid, 2344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-06 23:27:44,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [993 Valid, 1403 Invalid, 2715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [371 Valid, 2344 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-06 23:27:44,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-06 23:27:44,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 409. [2024-11-06 23:27:44,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 319 states have (on average 1.5705329153605017) internal successors, (501), 324 states have internal predecessors, (501), 66 states have call successors, (66), 20 states have call predecessors, (66), 23 states have return successors, (73), 64 states have call predecessors, (73), 65 states have call successors, (73) [2024-11-06 23:27:44,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 640 transitions. [2024-11-06 23:27:44,411 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 640 transitions. Word has length 120 [2024-11-06 23:27:44,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:27:44,411 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 640 transitions. [2024-11-06 23:27:44,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.625) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-06 23:27:44,411 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 640 transitions. [2024-11-06 23:27:44,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-06 23:27:44,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:27:44,415 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:27:44,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-06 23:27:44,416 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:27:44,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:27:44,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1823578748, now seen corresponding path program 1 times [2024-11-06 23:27:44,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:27:44,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996626374] [2024-11-06 23:27:44,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:27:44,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:27:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:44,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:27:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:44,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:27:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:44,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:27:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:44,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:27:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:44,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:27:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:44,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:27:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:44,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-06 23:27:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:44,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:27:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:44,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-06 23:27:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:44,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-06 23:27:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:44,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-06 23:27:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:44,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-06 23:27:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:44,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-06 23:27:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:44,657 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-06 23:27:44,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:27:44,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996626374] [2024-11-06 23:27:44,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996626374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:27:44,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:27:44,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-06 23:27:44,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020908634] [2024-11-06 23:27:44,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:27:44,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-06 23:27:44,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:27:44,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-06 23:27:44,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:27:44,659 INFO L87 Difference]: Start difference. First operand 409 states and 640 transitions. Second operand has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 8 states have internal predecessors, (81), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-06 23:27:47,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:27:47,228 INFO L93 Difference]: Finished difference Result 945 states and 1506 transitions. [2024-11-06 23:27:47,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-06 23:27:47,229 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 8 states have internal predecessors, (81), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 121 [2024-11-06 23:27:47,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:27:47,235 INFO L225 Difference]: With dead ends: 945 [2024-11-06 23:27:47,236 INFO L226 Difference]: Without dead ends: 563 [2024-11-06 23:27:47,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-06 23:27:47,238 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 995 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 3931 mSolverCounterSat, 373 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 996 SdHoareTripleChecker+Valid, 1944 SdHoareTripleChecker+Invalid, 4304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 373 IncrementalHoareTripleChecker+Valid, 3931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-06 23:27:47,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [996 Valid, 1944 Invalid, 4304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [373 Valid, 3931 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-06 23:27:47,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-06 23:27:47,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 409. [2024-11-06 23:27:47,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 319 states have (on average 1.5705329153605017) internal successors, (501), 324 states have internal predecessors, (501), 66 states have call successors, (66), 20 states have call predecessors, (66), 23 states have return successors, (72), 64 states have call predecessors, (72), 65 states have call successors, (72) [2024-11-06 23:27:47,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 639 transitions. [2024-11-06 23:27:47,283 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 639 transitions. Word has length 121 [2024-11-06 23:27:47,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:27:47,283 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 639 transitions. [2024-11-06 23:27:47,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.363636363636363) internal successors, (81), 8 states have internal predecessors, (81), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-06 23:27:47,283 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 639 transitions. [2024-11-06 23:27:47,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-06 23:27:47,286 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:27:47,287 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:27:47,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-06 23:27:47,287 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:27:47,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:27:47,287 INFO L85 PathProgramCache]: Analyzing trace with hash 644737672, now seen corresponding path program 2 times [2024-11-06 23:27:47,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:27:47,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234729798] [2024-11-06 23:27:47,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:27:47,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:27:47,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:47,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:27:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:47,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:27:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:47,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:27:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:47,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:27:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:47,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:27:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:47,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:27:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:47,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-06 23:27:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:47,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-06 23:27:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:47,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-06 23:27:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:47,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-06 23:27:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:47,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:27:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:47,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-06 23:27:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:47,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-06 23:27:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:47,561 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-06 23:27:47,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:27:47,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234729798] [2024-11-06 23:27:47,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234729798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:27:47,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:27:47,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-06 23:27:47,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441793053] [2024-11-06 23:27:47,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:27:47,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-06 23:27:47,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:27:47,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-06 23:27:47,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:27:47,563 INFO L87 Difference]: Start difference. First operand 409 states and 639 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-06 23:27:49,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:27:49,962 INFO L93 Difference]: Finished difference Result 947 states and 1512 transitions. [2024-11-06 23:27:49,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-06 23:27:49,963 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 122 [2024-11-06 23:27:49,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:27:49,966 INFO L225 Difference]: With dead ends: 947 [2024-11-06 23:27:49,967 INFO L226 Difference]: Without dead ends: 565 [2024-11-06 23:27:49,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-06 23:27:49,968 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 992 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 3953 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 993 SdHoareTripleChecker+Valid, 1945 SdHoareTripleChecker+Invalid, 4320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 3953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-06 23:27:49,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [993 Valid, 1945 Invalid, 4320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 3953 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-06 23:27:49,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-11-06 23:27:49,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 411. [2024-11-06 23:27:49,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 320 states have (on average 1.56875) internal successors, (502), 326 states have internal predecessors, (502), 66 states have call successors, (66), 20 states have call predecessors, (66), 24 states have return successors, (77), 64 states have call predecessors, (77), 65 states have call successors, (77) [2024-11-06 23:27:49,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 645 transitions. [2024-11-06 23:27:49,998 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 645 transitions. Word has length 122 [2024-11-06 23:27:49,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:27:49,999 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 645 transitions. [2024-11-06 23:27:49,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-06 23:27:49,999 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 645 transitions. [2024-11-06 23:27:50,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-06 23:27:50,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:27:50,001 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:27:50,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-06 23:27:50,002 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:27:50,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:27:50,002 INFO L85 PathProgramCache]: Analyzing trace with hash -938997951, now seen corresponding path program 1 times [2024-11-06 23:27:50,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:27:50,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96920980] [2024-11-06 23:27:50,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:27:50,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:27:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:50,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:27:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:50,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:27:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:50,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:27:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:50,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:27:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:50,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:27:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:50,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:27:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:50,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-06 23:27:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:50,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-06 23:27:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:50,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-06 23:27:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:50,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-06 23:27:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:50,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-06 23:27:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:50,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-06 23:27:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:50,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-06 23:27:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:50,218 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-06 23:27:50,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:27:50,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96920980] [2024-11-06 23:27:50,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96920980] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:27:50,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924598066] [2024-11-06 23:27:50,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:27:50,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:27:50,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:27:50,222 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 23:27:50,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-06 23:27:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:50,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 1013 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 23:27:50,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:27:50,559 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-06 23:27:50,561 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 23:27:50,663 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-06 23:27:50,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924598066] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 23:27:50,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-06 23:27:50,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-06 23:27:50,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977348102] [2024-11-06 23:27:50,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-06 23:27:50,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-06 23:27:50,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:27:50,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-06 23:27:50,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-06 23:27:50,665 INFO L87 Difference]: Start difference. First operand 411 states and 645 transitions. Second operand has 15 states, 14 states have (on average 9.357142857142858) internal successors, (131), 11 states have internal predecessors, (131), 4 states have call successors, (33), 6 states have call predecessors, (33), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-06 23:27:53,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:27:53,128 INFO L93 Difference]: Finished difference Result 1412 states and 2349 transitions. [2024-11-06 23:27:53,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-06 23:27:53,128 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.357142857142858) internal successors, (131), 11 states have internal predecessors, (131), 4 states have call successors, (33), 6 states have call predecessors, (33), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 123 [2024-11-06 23:27:53,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:27:53,134 INFO L225 Difference]: With dead ends: 1412 [2024-11-06 23:27:53,135 INFO L226 Difference]: Without dead ends: 1032 [2024-11-06 23:27:53,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-06 23:27:53,137 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 2418 mSDsluCounter, 1974 mSDsCounter, 0 mSdLazyCounter, 3931 mSolverCounterSat, 760 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2438 SdHoareTripleChecker+Valid, 2185 SdHoareTripleChecker+Invalid, 4691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 760 IncrementalHoareTripleChecker+Valid, 3931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-06 23:27:53,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2438 Valid, 2185 Invalid, 4691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [760 Valid, 3931 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-06 23:27:53,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2024-11-06 23:27:53,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 854. [2024-11-06 23:27:53,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 684 states have (on average 1.6198830409356726) internal successors, (1108), 690 states have internal predecessors, (1108), 145 states have call successors, (145), 20 states have call predecessors, (145), 24 states have return successors, (166), 143 states have call predecessors, (166), 144 states have call successors, (166) [2024-11-06 23:27:53,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1419 transitions. [2024-11-06 23:27:53,186 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 1419 transitions. Word has length 123 [2024-11-06 23:27:53,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:27:53,186 INFO L471 AbstractCegarLoop]: Abstraction has 854 states and 1419 transitions. [2024-11-06 23:27:53,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.357142857142858) internal successors, (131), 11 states have internal predecessors, (131), 4 states have call successors, (33), 6 states have call predecessors, (33), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-06 23:27:53,187 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1419 transitions. [2024-11-06 23:27:53,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-06 23:27:53,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:27:53,192 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] [2024-11-06 23:27:53,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-06 23:27:53,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-06 23:27:53,392 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:27:53,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:27:53,393 INFO L85 PathProgramCache]: Analyzing trace with hash -879438648, now seen corresponding path program 1 times [2024-11-06 23:27:53,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:27:53,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056967454] [2024-11-06 23:27:53,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:27:53,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:27:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:53,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:27:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:53,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:27:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:53,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:27:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:53,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:27:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:53,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:27:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:53,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:27:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:53,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:27:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:53,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-06 23:27:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:53,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-06 23:27:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:53,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-06 23:27:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:53,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-06 23:27:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:53,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-06 23:27:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:53,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-06 23:27:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:53,496 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-06 23:27:53,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:27:53,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056967454] [2024-11-06 23:27:53,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056967454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:27:53,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:27:53,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:27:53,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399595978] [2024-11-06 23:27:53,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:27:53,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:27:53,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:27:53,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:27:53,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:27:53,498 INFO L87 Difference]: Start difference. First operand 854 states and 1419 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:27:54,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:27:54,862 INFO L93 Difference]: Finished difference Result 2207 states and 3758 transitions. [2024-11-06 23:27:54,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:27:54,863 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 126 [2024-11-06 23:27:54,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:27:54,870 INFO L225 Difference]: With dead ends: 2207 [2024-11-06 23:27:54,870 INFO L226 Difference]: Without dead ends: 1431 [2024-11-06 23:27:54,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:27:54,874 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 1130 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 1395 mSolverCounterSat, 421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1148 SdHoareTripleChecker+Valid, 1057 SdHoareTripleChecker+Invalid, 1816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 421 IncrementalHoareTripleChecker+Valid, 1395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-06 23:27:54,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1148 Valid, 1057 Invalid, 1816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [421 Valid, 1395 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-06 23:27:54,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2024-11-06 23:27:54,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1269. [2024-11-06 23:27:54,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1269 states, 1020 states have (on average 1.6352941176470588) internal successors, (1668), 1026 states have internal predecessors, (1668), 224 states have call successors, (224), 20 states have call predecessors, (224), 24 states have return successors, (255), 222 states have call predecessors, (255), 223 states have call successors, (255) [2024-11-06 23:27:54,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1269 states and 2147 transitions. [2024-11-06 23:27:54,938 INFO L78 Accepts]: Start accepts. Automaton has 1269 states and 2147 transitions. Word has length 126 [2024-11-06 23:27:54,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:27:54,939 INFO L471 AbstractCegarLoop]: Abstraction has 1269 states and 2147 transitions. [2024-11-06 23:27:54,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:27:54,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 2147 transitions. [2024-11-06 23:27:54,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-06 23:27:54,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:27:54,945 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] [2024-11-06 23:27:54,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-06 23:27:54,946 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:27:54,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:27:54,946 INFO L85 PathProgramCache]: Analyzing trace with hash -203641147, now seen corresponding path program 1 times [2024-11-06 23:27:54,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:27:54,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734037394] [2024-11-06 23:27:54,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:27:54,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:27:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:55,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:27:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:55,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:27:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:55,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:27:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:55,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:27:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:55,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:27:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:55,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:27:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:55,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-06 23:27:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:55,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-06 23:27:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:55,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-06 23:27:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:55,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-06 23:27:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:55,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-06 23:27:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:55,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-06 23:27:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:55,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-06 23:27:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:55,057 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-06 23:27:55,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:27:55,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734037394] [2024-11-06 23:27:55,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734037394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:27:55,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:27:55,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:27:55,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043023588] [2024-11-06 23:27:55,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:27:55,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:27:55,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:27:55,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:27:55,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:27:55,060 INFO L87 Difference]: Start difference. First operand 1269 states and 2147 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:27:56,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:27:56,233 INFO L93 Difference]: Finished difference Result 3246 states and 5571 transitions. [2024-11-06 23:27:56,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:27:56,234 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 127 [2024-11-06 23:27:56,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:27:56,243 INFO L225 Difference]: With dead ends: 3246 [2024-11-06 23:27:56,243 INFO L226 Difference]: Without dead ends: 2108 [2024-11-06 23:27:56,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:27:56,248 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1127 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 1360 mSolverCounterSat, 433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1145 SdHoareTripleChecker+Valid, 1031 SdHoareTripleChecker+Invalid, 1793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 433 IncrementalHoareTripleChecker+Valid, 1360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-06 23:27:56,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1145 Valid, 1031 Invalid, 1793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [433 Valid, 1360 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-06 23:27:56,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2108 states. [2024-11-06 23:27:56,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2108 to 1946. [2024-11-06 23:27:56,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1946 states, 1578 states have (on average 1.641318124207858) internal successors, (2590), 1584 states have internal predecessors, (2590), 343 states have call successors, (343), 20 states have call predecessors, (343), 24 states have return successors, (374), 341 states have call predecessors, (374), 342 states have call successors, (374) [2024-11-06 23:27:56,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1946 states and 3307 transitions. [2024-11-06 23:27:56,339 INFO L78 Accepts]: Start accepts. Automaton has 1946 states and 3307 transitions. Word has length 127 [2024-11-06 23:27:56,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:27:56,339 INFO L471 AbstractCegarLoop]: Abstraction has 1946 states and 3307 transitions. [2024-11-06 23:27:56,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:27:56,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 3307 transitions. [2024-11-06 23:27:56,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-06 23:27:56,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:27:56,349 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] [2024-11-06 23:27:56,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-06 23:27:56,349 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:27:56,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:27:56,350 INFO L85 PathProgramCache]: Analyzing trace with hash -2140852006, now seen corresponding path program 1 times [2024-11-06 23:27:56,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:27:56,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447260545] [2024-11-06 23:27:56,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:27:56,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:27:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:56,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:27:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:56,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:27:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:56,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:27:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:56,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:27:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:56,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:27:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:56,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:27:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:56,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-06 23:27:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:56,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-06 23:27:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:56,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-06 23:27:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:56,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:27:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:56,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-06 23:27:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:56,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-06 23:27:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:56,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-06 23:27:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:56,460 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-06 23:27:56,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:27:56,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447260545] [2024-11-06 23:27:56,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447260545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:27:56,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:27:56,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:27:56,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901564940] [2024-11-06 23:27:56,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:27:56,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:27:56,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:27:56,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:27:56,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:27:56,463 INFO L87 Difference]: Start difference. First operand 1946 states and 3307 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:27:57,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:27:57,652 INFO L93 Difference]: Finished difference Result 4831 states and 8350 transitions. [2024-11-06 23:27:57,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:27:57,653 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 128 [2024-11-06 23:27:57,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:27:57,672 INFO L225 Difference]: With dead ends: 4831 [2024-11-06 23:27:57,672 INFO L226 Difference]: Without dead ends: 3151 [2024-11-06 23:27:57,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:27:57,678 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1125 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1370 mSolverCounterSat, 427 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1143 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 427 IncrementalHoareTripleChecker+Valid, 1370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-06 23:27:57,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1143 Valid, 1024 Invalid, 1797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [427 Valid, 1370 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-06 23:27:57,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3151 states. [2024-11-06 23:27:57,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3151 to 2989. [2024-11-06 23:27:57,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2989 states, 2459 states have (on average 1.6461976413176087) internal successors, (4048), 2465 states have internal predecessors, (4048), 505 states have call successors, (505), 20 states have call predecessors, (505), 24 states have return successors, (552), 503 states have call predecessors, (552), 504 states have call successors, (552) [2024-11-06 23:27:57,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2989 states to 2989 states and 5105 transitions. [2024-11-06 23:27:57,839 INFO L78 Accepts]: Start accepts. Automaton has 2989 states and 5105 transitions. Word has length 128 [2024-11-06 23:27:57,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:27:57,841 INFO L471 AbstractCegarLoop]: Abstraction has 2989 states and 5105 transitions. [2024-11-06 23:27:57,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:27:57,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2989 states and 5105 transitions. [2024-11-06 23:27:57,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-06 23:27:57,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:27:57,854 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] [2024-11-06 23:27:57,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-06 23:27:57,854 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:27:57,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:27:57,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1447855132, now seen corresponding path program 1 times [2024-11-06 23:27:57,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:27:57,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887315340] [2024-11-06 23:27:57,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:27:57,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:27:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:57,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:27:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:57,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:27:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:57,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:27:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:57,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:27:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:57,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:27:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:57,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:27:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:57,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-06 23:27:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:57,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:27:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:57,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-06 23:27:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:57,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-06 23:27:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:57,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-06 23:27:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:57,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-06 23:27:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:57,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-06 23:27:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:57,955 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-06 23:27:57,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:27:57,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887315340] [2024-11-06 23:27:57,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887315340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:27:57,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:27:57,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:27:57,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308100607] [2024-11-06 23:27:57,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:27:57,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:27:57,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:27:57,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:27:57,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:27:57,956 INFO L87 Difference]: Start difference. First operand 2989 states and 5105 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:27:59,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:27:59,236 INFO L93 Difference]: Finished difference Result 7345 states and 12765 transitions. [2024-11-06 23:27:59,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:27:59,236 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 129 [2024-11-06 23:27:59,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:27:59,260 INFO L225 Difference]: With dead ends: 7345 [2024-11-06 23:27:59,260 INFO L226 Difference]: Without dead ends: 4841 [2024-11-06 23:27:59,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:27:59,270 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1124 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1348 mSolverCounterSat, 430 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1142 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 1778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 430 IncrementalHoareTripleChecker+Valid, 1348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-06 23:27:59,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1142 Valid, 1024 Invalid, 1778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [430 Valid, 1348 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-06 23:27:59,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4841 states. [2024-11-06 23:27:59,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4841 to 4679. [2024-11-06 23:27:59,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4679 states, 3904 states have (on average 1.6495901639344261) internal successors, (6440), 3910 states have internal predecessors, (6440), 750 states have call successors, (750), 20 states have call predecessors, (750), 24 states have return successors, (823), 748 states have call predecessors, (823), 749 states have call successors, (823) [2024-11-06 23:27:59,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4679 states to 4679 states and 8013 transitions. [2024-11-06 23:27:59,505 INFO L78 Accepts]: Start accepts. Automaton has 4679 states and 8013 transitions. Word has length 129 [2024-11-06 23:27:59,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:27:59,505 INFO L471 AbstractCegarLoop]: Abstraction has 4679 states and 8013 transitions. [2024-11-06 23:27:59,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:27:59,506 INFO L276 IsEmpty]: Start isEmpty. Operand 4679 states and 8013 transitions. [2024-11-06 23:27:59,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-06 23:27:59,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:27:59,522 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] [2024-11-06 23:27:59,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-06 23:27:59,523 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:27:59,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:27:59,523 INFO L85 PathProgramCache]: Analyzing trace with hash -792701570, now seen corresponding path program 1 times [2024-11-06 23:27:59,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:27:59,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480213747] [2024-11-06 23:27:59,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:27:59,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:27:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:59,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:27:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:59,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:27:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:59,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:27:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:59,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:27:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:59,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:27:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:59,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:27:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:59,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-06 23:27:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:59,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-06 23:27:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:59,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:27:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:59,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-06 23:27:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:59,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-06 23:27:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:59,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-06 23:27:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:59,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-06 23:27:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:27:59,630 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-06 23:27:59,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:27:59,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480213747] [2024-11-06 23:27:59,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480213747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:27:59,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:27:59,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:27:59,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703029906] [2024-11-06 23:27:59,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:27:59,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:27:59,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:27:59,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:27:59,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:27:59,631 INFO L87 Difference]: Start difference. First operand 4679 states and 8013 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:28:00,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:00,970 INFO L93 Difference]: Finished difference Result 11546 states and 20142 transitions. [2024-11-06 23:28:00,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:28:00,970 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 130 [2024-11-06 23:28:00,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:01,010 INFO L225 Difference]: With dead ends: 11546 [2024-11-06 23:28:01,010 INFO L226 Difference]: Without dead ends: 7684 [2024-11-06 23:28:01,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:28:01,020 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 1123 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 1387 mSolverCounterSat, 428 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1141 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 1815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 428 IncrementalHoareTripleChecker+Valid, 1387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-06 23:28:01,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1141 Valid, 1077 Invalid, 1815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [428 Valid, 1387 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-06 23:28:01,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7684 states. [2024-11-06 23:28:01,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7684 to 7522. [2024-11-06 23:28:01,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7522 states, 6254 states have (on average 1.6467860569235688) internal successors, (10299), 6260 states have internal predecessors, (10299), 1243 states have call successors, (1243), 20 states have call predecessors, (1243), 24 states have return successors, (1360), 1241 states have call predecessors, (1360), 1242 states have call successors, (1360) [2024-11-06 23:28:01,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7522 states to 7522 states and 12902 transitions. [2024-11-06 23:28:01,417 INFO L78 Accepts]: Start accepts. Automaton has 7522 states and 12902 transitions. Word has length 130 [2024-11-06 23:28:01,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:01,417 INFO L471 AbstractCegarLoop]: Abstraction has 7522 states and 12902 transitions. [2024-11-06 23:28:01,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:28:01,418 INFO L276 IsEmpty]: Start isEmpty. Operand 7522 states and 12902 transitions. [2024-11-06 23:28:01,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-06 23:28:01,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:01,439 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] [2024-11-06 23:28:01,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-06 23:28:01,439 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:01,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:01,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1803874112, now seen corresponding path program 1 times [2024-11-06 23:28:01,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:01,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236927153] [2024-11-06 23:28:01,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:01,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:01,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:01,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:01,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:01,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:28:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:01,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:28:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:01,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:28:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:01,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-06 23:28:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:01,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-06 23:28:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:01,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-06 23:28:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:01,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-06 23:28:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:01,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-06 23:28:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:01,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-06 23:28:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:01,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-06 23:28:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:01,549 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-06 23:28:01,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:01,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236927153] [2024-11-06 23:28:01,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236927153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:01,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:28:01,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:28:01,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348104718] [2024-11-06 23:28:01,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:01,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:28:01,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:01,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:28:01,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:28:01,551 INFO L87 Difference]: Start difference. First operand 7522 states and 12902 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:28:02,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:02,932 INFO L93 Difference]: Finished difference Result 19161 states and 33418 transitions. [2024-11-06 23:28:02,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:28:02,932 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 131 [2024-11-06 23:28:02,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:02,983 INFO L225 Difference]: With dead ends: 19161 [2024-11-06 23:28:02,983 INFO L226 Difference]: Without dead ends: 12858 [2024-11-06 23:28:03,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:28:03,004 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1123 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1347 mSolverCounterSat, 445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1142 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 1792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 445 IncrementalHoareTripleChecker+Valid, 1347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-06 23:28:03,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1142 Valid, 1025 Invalid, 1792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [445 Valid, 1347 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-06 23:28:03,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12858 states. [2024-11-06 23:28:03,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12858 to 12696. [2024-11-06 23:28:03,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12696 states, 10606 states have (on average 1.646426551008863) internal successors, (17462), 10612 states have internal predecessors, (17462), 2065 states have call successors, (2065), 20 states have call predecessors, (2065), 24 states have return successors, (2260), 2063 states have call predecessors, (2260), 2064 states have call successors, (2260) [2024-11-06 23:28:03,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12696 states to 12696 states and 21787 transitions. [2024-11-06 23:28:03,517 INFO L78 Accepts]: Start accepts. Automaton has 12696 states and 21787 transitions. Word has length 131 [2024-11-06 23:28:03,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:03,520 INFO L471 AbstractCegarLoop]: Abstraction has 12696 states and 21787 transitions. [2024-11-06 23:28:03,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:28:03,521 INFO L276 IsEmpty]: Start isEmpty. Operand 12696 states and 21787 transitions. [2024-11-06 23:28:03,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-06 23:28:03,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:03,545 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] [2024-11-06 23:28:03,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-06 23:28:03,546 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:03,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:03,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1107079984, now seen corresponding path program 1 times [2024-11-06 23:28:03,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:03,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399380123] [2024-11-06 23:28:03,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:03,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:03,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:03,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:03,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:03,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:28:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:03,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:28:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:03,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:28:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:03,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-06 23:28:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:03,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-06 23:28:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:03,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-06 23:28:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:03,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-06 23:28:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:03,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-06 23:28:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:03,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-06 23:28:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:03,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-06 23:28:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:03,765 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-06 23:28:03,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:03,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399380123] [2024-11-06 23:28:03,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399380123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:03,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:28:03,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:28:03,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703800371] [2024-11-06 23:28:03,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:03,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:28:03,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:03,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:28:03,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:28:03,767 INFO L87 Difference]: Start difference. First operand 12696 states and 21787 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:28:05,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:05,569 INFO L93 Difference]: Finished difference Result 30644 states and 53118 transitions. [2024-11-06 23:28:05,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:28:05,570 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 132 [2024-11-06 23:28:05,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:05,654 INFO L225 Difference]: With dead ends: 30644 [2024-11-06 23:28:05,655 INFO L226 Difference]: Without dead ends: 20171 [2024-11-06 23:28:05,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:28:05,693 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 1120 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 1353 mSolverCounterSat, 425 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1139 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 1778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 425 IncrementalHoareTripleChecker+Valid, 1353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-06 23:28:05,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1139 Valid, 997 Invalid, 1778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [425 Valid, 1353 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-06 23:28:05,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20171 states. [2024-11-06 23:28:06,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20171 to 20009. [2024-11-06 23:28:06,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20009 states, 16716 states have (on average 1.6216798277099784) internal successors, (27108), 16722 states have internal predecessors, (27108), 3268 states have call successors, (3268), 20 states have call predecessors, (3268), 24 states have return successors, (3607), 3266 states have call predecessors, (3607), 3267 states have call successors, (3607) [2024-11-06 23:28:06,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20009 states to 20009 states and 33983 transitions. [2024-11-06 23:28:06,464 INFO L78 Accepts]: Start accepts. Automaton has 20009 states and 33983 transitions. Word has length 132 [2024-11-06 23:28:06,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:06,465 INFO L471 AbstractCegarLoop]: Abstraction has 20009 states and 33983 transitions. [2024-11-06 23:28:06,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:28:06,466 INFO L276 IsEmpty]: Start isEmpty. Operand 20009 states and 33983 transitions. [2024-11-06 23:28:06,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-06 23:28:06,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:06,493 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] [2024-11-06 23:28:06,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-06 23:28:06,494 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:06,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:06,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1225584833, now seen corresponding path program 1 times [2024-11-06 23:28:06,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:06,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865078193] [2024-11-06 23:28:06,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:06,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:06,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:06,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:06,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:06,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:28:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:06,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:28:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:06,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:28:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:06,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-06 23:28:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:06,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-06 23:28:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:06,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-06 23:28:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:06,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-06 23:28:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:06,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:28:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:06,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-06 23:28:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:06,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-06 23:28:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:06,600 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-06 23:28:06,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:06,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865078193] [2024-11-06 23:28:06,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865078193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:06,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:28:06,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:28:06,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671293759] [2024-11-06 23:28:06,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:06,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:28:06,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:06,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:28:06,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:28:06,604 INFO L87 Difference]: Start difference. First operand 20009 states and 33983 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:28:08,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:08,706 INFO L93 Difference]: Finished difference Result 53086 states and 91652 transitions. [2024-11-06 23:28:08,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:28:08,707 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 133 [2024-11-06 23:28:08,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:08,890 INFO L225 Difference]: With dead ends: 53086 [2024-11-06 23:28:08,890 INFO L226 Difference]: Without dead ends: 35977 [2024-11-06 23:28:08,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:28:08,961 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1116 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1348 mSolverCounterSat, 444 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1134 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 1792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 444 IncrementalHoareTripleChecker+Valid, 1348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-06 23:28:08,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1134 Valid, 1024 Invalid, 1792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [444 Valid, 1348 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-06 23:28:08,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35977 states. [2024-11-06 23:28:10,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35977 to 35815. [2024-11-06 23:28:10,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35815 states, 30072 states have (on average 1.6184490555998936) internal successors, (48670), 30078 states have internal predecessors, (48670), 5718 states have call successors, (5718), 20 states have call predecessors, (5718), 24 states have return successors, (6331), 5716 states have call predecessors, (6331), 5717 states have call successors, (6331) [2024-11-06 23:28:10,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35815 states to 35815 states and 60719 transitions. [2024-11-06 23:28:10,430 INFO L78 Accepts]: Start accepts. Automaton has 35815 states and 60719 transitions. Word has length 133 [2024-11-06 23:28:10,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:10,431 INFO L471 AbstractCegarLoop]: Abstraction has 35815 states and 60719 transitions. [2024-11-06 23:28:10,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:28:10,431 INFO L276 IsEmpty]: Start isEmpty. Operand 35815 states and 60719 transitions. [2024-11-06 23:28:10,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-06 23:28:10,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:10,459 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] [2024-11-06 23:28:10,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-06 23:28:10,460 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:10,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:10,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1957875146, now seen corresponding path program 1 times [2024-11-06 23:28:10,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:10,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643367035] [2024-11-06 23:28:10,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:10,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:10,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:10,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:10,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:10,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:28:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:10,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:28:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:10,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:28:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:10,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:28:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:10,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-06 23:28:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:10,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-06 23:28:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:10,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-06 23:28:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:10,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-06 23:28:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:10,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-06 23:28:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:10,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-06 23:28:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:10,573 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-06 23:28:10,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:10,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643367035] [2024-11-06 23:28:10,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643367035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:10,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:28:10,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:28:10,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049008253] [2024-11-06 23:28:10,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:10,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:28:10,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:10,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:28:10,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:28:10,576 INFO L87 Difference]: Start difference. First operand 35815 states and 60719 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:28:13,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:13,122 INFO L93 Difference]: Finished difference Result 97933 states and 168211 transitions. [2024-11-06 23:28:13,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:28:13,123 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 134 [2024-11-06 23:28:13,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:13,454 INFO L225 Difference]: With dead ends: 97933 [2024-11-06 23:28:13,454 INFO L226 Difference]: Without dead ends: 65974 [2024-11-06 23:28:13,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:28:13,590 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1113 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1131 SdHoareTripleChecker+Valid, 1027 SdHoareTripleChecker+Invalid, 1809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 433 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-06 23:28:13,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1131 Valid, 1027 Invalid, 1809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [433 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-06 23:28:13,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65974 states. [2024-11-06 23:28:15,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65974 to 65812. [2024-11-06 23:28:15,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65812 states, 55556 states have (on average 1.614281085751314) internal successors, (89683), 55562 states have internal predecessors, (89683), 10231 states have call successors, (10231), 20 states have call predecessors, (10231), 24 states have return successors, (11376), 10229 states have call predecessors, (11376), 10230 states have call successors, (11376) [2024-11-06 23:28:15,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65812 states to 65812 states and 111290 transitions. [2024-11-06 23:28:16,013 INFO L78 Accepts]: Start accepts. Automaton has 65812 states and 111290 transitions. Word has length 134 [2024-11-06 23:28:16,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:16,013 INFO L471 AbstractCegarLoop]: Abstraction has 65812 states and 111290 transitions. [2024-11-06 23:28:16,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:28:16,014 INFO L276 IsEmpty]: Start isEmpty. Operand 65812 states and 111290 transitions. [2024-11-06 23:28:16,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-06 23:28:16,049 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:16,049 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] [2024-11-06 23:28:16,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-06 23:28:16,050 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:16,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:16,050 INFO L85 PathProgramCache]: Analyzing trace with hash 220986303, now seen corresponding path program 1 times [2024-11-06 23:28:16,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:16,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738289552] [2024-11-06 23:28:16,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:16,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:16,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:16,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:16,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:16,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:28:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:16,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:28:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:16,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:28:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:16,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-06 23:28:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:16,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-06 23:28:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:16,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-06 23:28:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:16,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-06 23:28:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:16,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-06 23:28:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:16,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-06 23:28:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:16,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-06 23:28:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:16,146 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-06 23:28:16,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:16,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738289552] [2024-11-06 23:28:16,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738289552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:16,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:28:16,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:28:16,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110840925] [2024-11-06 23:28:16,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:16,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:28:16,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:16,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:28:16,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:28:16,148 INFO L87 Difference]: Start difference. First operand 65812 states and 111290 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:28:19,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:19,402 INFO L93 Difference]: Finished difference Result 123594 states and 212644 transitions. [2024-11-06 23:28:19,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:28:19,402 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 135 [2024-11-06 23:28:19,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:19,946 INFO L225 Difference]: With dead ends: 123594 [2024-11-06 23:28:19,946 INFO L226 Difference]: Without dead ends: 123462 [2024-11-06 23:28:20,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:28:20,002 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1112 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 1350 mSolverCounterSat, 438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1130 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 1788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 438 IncrementalHoareTripleChecker+Valid, 1350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-06 23:28:20,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1130 Valid, 1032 Invalid, 1788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [438 Valid, 1350 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-06 23:28:20,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123462 states. [2024-11-06 23:28:23,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123462 to 123300. [2024-11-06 23:28:23,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123300 states, 104676 states have (on average 1.6091081050097444) internal successors, (168435), 104682 states have internal predecessors, (168435), 18599 states have call successors, (18599), 20 states have call predecessors, (18599), 24 states have return successors, (20790), 18597 states have call predecessors, (20790), 18598 states have call successors, (20790) [2024-11-06 23:28:23,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123300 states to 123300 states and 207824 transitions. [2024-11-06 23:28:23,685 INFO L78 Accepts]: Start accepts. Automaton has 123300 states and 207824 transitions. Word has length 135 [2024-11-06 23:28:23,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:23,685 INFO L471 AbstractCegarLoop]: Abstraction has 123300 states and 207824 transitions. [2024-11-06 23:28:23,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-06 23:28:23,685 INFO L276 IsEmpty]: Start isEmpty. Operand 123300 states and 207824 transitions. [2024-11-06 23:28:23,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-06 23:28:23,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:23,728 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] [2024-11-06 23:28:23,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-06 23:28:23,728 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:23,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:23,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1202120265, now seen corresponding path program 1 times [2024-11-06 23:28:23,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:23,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970094239] [2024-11-06 23:28:23,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:23,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:24,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:24,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:24,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:24,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:28:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:24,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:28:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:24,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:28:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:24,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-06 23:28:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:24,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-06 23:28:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:24,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-06 23:28:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:24,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-06 23:28:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:24,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-06 23:28:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:24,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-06 23:28:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:24,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-06 23:28:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:24,208 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-06 23:28:24,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:24,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970094239] [2024-11-06 23:28:24,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970094239] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:28:24,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251733417] [2024-11-06 23:28:24,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:24,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:28:24,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:28:24,212 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 23:28:24,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-06 23:28:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:24,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 1051 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-06 23:28:24,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:28:24,782 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-06 23:28:24,783 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:28:24,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251733417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:24,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:28:24,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [19] total 29 [2024-11-06 23:28:24,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196186618] [2024-11-06 23:28:24,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:24,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-06 23:28:24,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:24,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-06 23:28:24,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2024-11-06 23:28:24,784 INFO L87 Difference]: Start difference. First operand 123300 states and 207824 transitions. Second operand has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 10 states have internal predecessors, (101), 5 states have call successors, (16), 5 states have call predecessors, (16), 6 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-06 23:28:28,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:28,200 INFO L93 Difference]: Finished difference Result 123588 states and 208236 transitions. [2024-11-06 23:28:28,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-06 23:28:28,201 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 10 states have internal predecessors, (101), 5 states have call successors, (16), 5 states have call predecessors, (16), 6 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) Word has length 136 [2024-11-06 23:28:28,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:28,713 INFO L225 Difference]: With dead ends: 123588 [2024-11-06 23:28:28,714 INFO L226 Difference]: Without dead ends: 123462 [2024-11-06 23:28:28,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=178, Invalid=1462, Unknown=0, NotChecked=0, Total=1640 [2024-11-06 23:28:28,773 INFO L432 NwaCegarLoop]: 544 mSDtfsCounter, 692 mSDsluCounter, 4700 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 698 SdHoareTripleChecker+Valid, 5244 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-06 23:28:28,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [698 Valid, 5244 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-06 23:28:28,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123462 states. [2024-11-06 23:28:32,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123462 to 123443. [2024-11-06 23:28:32,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123443 states, 104783 states have (on average 1.6088964812994475) internal successors, (168585), 104790 states have internal predecessors, (168585), 18621 states have call successors, (18621), 32 states have call predecessors, (18621), 38 states have return successors, (20824), 18620 states have call predecessors, (20824), 18619 states have call successors, (20824) [2024-11-06 23:28:33,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123443 states to 123443 states and 208030 transitions. [2024-11-06 23:28:33,128 INFO L78 Accepts]: Start accepts. Automaton has 123443 states and 208030 transitions. Word has length 136 [2024-11-06 23:28:33,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:33,128 INFO L471 AbstractCegarLoop]: Abstraction has 123443 states and 208030 transitions. [2024-11-06 23:28:33,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 10 states have internal predecessors, (101), 5 states have call successors, (16), 5 states have call predecessors, (16), 6 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-06 23:28:33,128 INFO L276 IsEmpty]: Start isEmpty. Operand 123443 states and 208030 transitions. [2024-11-06 23:28:33,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-06 23:28:33,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:33,163 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, 1] [2024-11-06 23:28:33,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-06 23:28:33,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:28:33,364 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:33,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:33,364 INFO L85 PathProgramCache]: Analyzing trace with hash -251076227, now seen corresponding path program 1 times [2024-11-06 23:28:33,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:33,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304003525] [2024-11-06 23:28:33,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:33,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:28:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:28:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:28:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-06 23:28:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-06 23:28:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-06 23:28:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-06 23:28:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-06 23:28:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-06 23:28:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-06 23:28:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,641 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-06 23:28:33,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:33,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304003525] [2024-11-06 23:28:33,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304003525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:33,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:28:33,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-06 23:28:33,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808700285] [2024-11-06 23:28:33,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:33,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-06 23:28:33,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:33,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-06 23:28:33,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2024-11-06 23:28:33,644 INFO L87 Difference]: Start difference. First operand 123443 states and 208030 transitions. Second operand has 16 states, 14 states have (on average 6.571428571428571) internal successors, (92), 10 states have internal predecessors, (92), 7 states have call successors, (16), 7 states have call predecessors, (16), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-06 23:28:39,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:39,208 INFO L93 Difference]: Finished difference Result 124378 states and 212891 transitions. [2024-11-06 23:28:39,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-06 23:28:39,209 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 6.571428571428571) internal successors, (92), 10 states have internal predecessors, (92), 7 states have call successors, (16), 7 states have call predecessors, (16), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) Word has length 137 [2024-11-06 23:28:39,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:39,636 INFO L225 Difference]: With dead ends: 124378 [2024-11-06 23:28:39,636 INFO L226 Difference]: Without dead ends: 124108 [2024-11-06 23:28:39,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 552 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=386, Invalid=2064, Unknown=0, NotChecked=0, Total=2450 [2024-11-06 23:28:39,693 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1557 mSDsluCounter, 2471 mSDsCounter, 0 mSdLazyCounter, 5576 mSolverCounterSat, 646 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1557 SdHoareTripleChecker+Valid, 2691 SdHoareTripleChecker+Invalid, 6222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 646 IncrementalHoareTripleChecker+Valid, 5576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-06 23:28:39,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1557 Valid, 2691 Invalid, 6222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [646 Valid, 5576 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-06 23:28:39,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124108 states.