./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec8_product35.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_spec8_product35.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', '8693f57a03775f9dd58f5523ab36f07a2ce550b119e4923229e8bee683b68937'] 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_spec8_product35.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 8693f57a03775f9dd58f5523ab36f07a2ce550b119e4923229e8bee683b68937 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-06 23:39:47,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 23:39:47,727 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-06 23:39:47,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 23:39:47,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 23:39:47,761 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 23:39:47,761 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 23:39:47,762 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 23:39:47,762 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 23:39:47,762 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 23:39:47,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 23:39:47,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 23:39:47,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 23:39:47,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 23:39:47,763 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 23:39:47,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 23:39:47,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 23:39:47,764 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-06 23:39:47,764 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-06 23:39:47,764 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-06 23:39:47,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 23:39:47,764 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 23:39:47,764 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 23:39:47,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 23:39:47,764 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 23:39:47,764 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-06 23:39:47,765 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 23:39:47,765 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 23:39:47,765 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 23:39:47,765 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 23:39:47,765 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 23:39:47,765 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 23:39:47,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 23:39:47,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 23:39:47,765 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 23:39:47,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 23:39:47,766 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-06 23:39:47,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-06 23:39:47,766 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 23:39:47,766 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 23:39:47,766 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 23:39:47,766 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 23:39:47,766 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 -> 8693f57a03775f9dd58f5523ab36f07a2ce550b119e4923229e8bee683b68937 [2024-11-06 23:39:48,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 23:39:48,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 23:39:48,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 23:39:48,069 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 23:39:48,069 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 23:39:48,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product35.cil.c [2024-11-06 23:39:49,326 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 23:39:49,658 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 23:39:49,658 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product35.cil.c [2024-11-06 23:39:49,677 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b7b6e74b9/6051eb1a5fd44eee8235b7c8b0c63db7/FLAGe743b5fe4 [2024-11-06 23:39:49,694 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b7b6e74b9/6051eb1a5fd44eee8235b7c8b0c63db7 [2024-11-06 23:39:49,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 23:39:49,698 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-06 23:39:49,700 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 23:39:49,701 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 23:39:49,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 23:39:49,706 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:39:49" (1/1) ... [2024-11-06 23:39:49,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dc5d8f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:49, skipping insertion in model container [2024-11-06 23:39:49,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:39:49" (1/1) ... [2024-11-06 23:39:49,766 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 23:39:50,088 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_spec8_product35.cil.c[16425,16438] [2024-11-06 23:39:50,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 23:39:50,245 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 23:39:50,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [48] [2024-11-06 23:39:50,255 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptAutoResponder_spec.i","") [528] [2024-11-06 23:39:50,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [571] [2024-11-06 23:39:50,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [895] [2024-11-06 23:39:50,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [904] [2024-11-06 23:39:50,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [939] [2024-11-06 23:39:50,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1338] [2024-11-06 23:39:50,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1704] [2024-11-06 23:39:50,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2764] [2024-11-06 23:39:50,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2986] [2024-11-06 23:39:50,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [3121] [2024-11-06 23:39:50,303 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_spec8_product35.cil.c[16425,16438] [2024-11-06 23:39:50,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 23:39:50,456 INFO L204 MainTranslator]: Completed translation [2024-11-06 23:39:50,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:50 WrapperNode [2024-11-06 23:39:50,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 23:39:50,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 23:39:50,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 23:39:50,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 23:39:50,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:50" (1/1) ... [2024-11-06 23:39:50,500 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:50" (1/1) ... [2024-11-06 23:39:50,568 INFO L138 Inliner]: procedures = 138, calls = 230, calls flagged for inlining = 67, calls inlined = 64, statements flattened = 1167 [2024-11-06 23:39:50,568 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 23:39:50,569 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 23:39:50,571 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 23:39:50,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 23:39:50,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:50" (1/1) ... [2024-11-06 23:39:50,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:50" (1/1) ... [2024-11-06 23:39:50,591 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:50" (1/1) ... [2024-11-06 23:39:50,635 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 23:39:50,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:50" (1/1) ... [2024-11-06 23:39:50,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:50" (1/1) ... [2024-11-06 23:39:50,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:50" (1/1) ... [2024-11-06 23:39:50,687 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:50" (1/1) ... [2024-11-06 23:39:50,695 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:50" (1/1) ... [2024-11-06 23:39:50,699 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:50" (1/1) ... [2024-11-06 23:39:50,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 23:39:50,715 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 23:39:50,715 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 23:39:50,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 23:39:50,716 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:50" (1/1) ... [2024-11-06 23:39:50,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 23:39:50,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:39:50,748 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 23:39:50,751 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 23:39:50,773 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-06 23:39:50,774 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-06 23:39:50,774 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-06 23:39:50,774 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-06 23:39:50,774 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-06 23:39:50,774 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-06 23:39:50,774 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-06 23:39:50,774 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-06 23:39:50,775 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-06 23:39:50,775 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-06 23:39:50,775 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-06 23:39:50,775 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-06 23:39:50,775 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-06 23:39:50,775 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-06 23:39:50,775 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-06 23:39:50,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-06 23:39:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-06 23:39:50,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-06 23:39:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-06 23:39:50,777 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-06 23:39:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-06 23:39:50,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-06 23:39:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-06 23:39:50,777 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-06 23:39:50,778 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-06 23:39:50,778 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-06 23:39:50,778 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-06 23:39:50,778 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-06 23:39:50,778 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-06 23:39:50,778 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-06 23:39:50,778 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-06 23:39:50,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-06 23:39:50,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 23:39:50,778 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-06 23:39:50,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-06 23:39:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-06 23:39:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-06 23:39:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-06 23:39:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-06 23:39:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-06 23:39:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-06 23:39:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-06 23:39:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-06 23:39:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-06 23:39:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-06 23:39:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-06 23:39:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-06 23:39:50,781 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-06 23:39:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-06 23:39:50,781 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-06 23:39:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-06 23:39:50,781 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-06 23:39:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-06 23:39:50,781 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-06 23:39:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-06 23:39:50,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-06 23:39:50,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-06 23:39:50,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-06 23:39:50,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-06 23:39:50,783 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-06 23:39:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-06 23:39:50,783 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-06 23:39:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-06 23:39:50,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 23:39:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 23:39:51,010 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 23:39:51,014 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 23:39:52,039 INFO L? ?]: Removed 610 outVars from TransFormulas that were not future-live. [2024-11-06 23:39:52,039 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 23:39:52,061 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 23:39:52,061 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 23:39:52,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:39:52 BoogieIcfgContainer [2024-11-06 23:39:52,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 23:39:52,069 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 23:39:52,069 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 23:39:52,074 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 23:39:52,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:39:49" (1/3) ... [2024-11-06 23:39:52,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@614c38b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:39:52, skipping insertion in model container [2024-11-06 23:39:52,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:39:50" (2/3) ... [2024-11-06 23:39:52,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@614c38b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:39:52, skipping insertion in model container [2024-11-06 23:39:52,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:39:52" (3/3) ... [2024-11-06 23:39:52,076 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product35.cil.c [2024-11-06 23:39:52,093 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 23:39:52,094 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 23:39:52,161 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 23:39:52,170 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;@66264cf9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 23:39:52,170 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 23:39:52,177 INFO L276 IsEmpty]: Start isEmpty. Operand has 467 states, 361 states have (on average 1.5346260387811634) internal successors, (554), 366 states have internal predecessors, (554), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-06 23:39:52,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-06 23:39:52,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:39:52,193 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:39:52,194 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:39:52,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:39:52,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1305642597, now seen corresponding path program 1 times [2024-11-06 23:39:52,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:39:52,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097075633] [2024-11-06 23:39:52,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:39:52,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:39:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:52,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:39:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:52,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:39:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:52,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:39:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:52,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-06 23:39:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:52,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-06 23:39:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:52,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-06 23:39:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:52,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-06 23:39:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:52,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-06 23:39:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:52,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-06 23:39:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:52,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-06 23:39:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:53,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-06 23:39:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:53,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-06 23:39:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:53,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-06 23:39:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:53,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-06 23:39:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:53,024 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-06 23:39:53,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:39:53,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097075633] [2024-11-06 23:39:53,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097075633] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:39:53,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557450435] [2024-11-06 23:39:53,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:39:53,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:39:53,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:39:53,031 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 23:39:53,033 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 23:39:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:53,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 23:39:53,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:39:53,475 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-06 23:39:53,475 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:39:53,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557450435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:39:53,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:39:53,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-06 23:39:53,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132890351] [2024-11-06 23:39:53,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:39:53,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 23:39:53,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:39:53,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 23:39:53,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-06 23:39:53,508 INFO L87 Difference]: Start difference. First operand has 467 states, 361 states have (on average 1.5346260387811634) internal successors, (554), 366 states have internal predecessors, (554), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:39:53,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:39:53,596 INFO L93 Difference]: Finished difference Result 736 states and 1090 transitions. [2024-11-06 23:39:53,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 23:39:53,599 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 110 [2024-11-06 23:39:53,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:39:53,615 INFO L225 Difference]: With dead ends: 736 [2024-11-06 23:39:53,615 INFO L226 Difference]: Without dead ends: 460 [2024-11-06 23:39:53,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 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 23:39:53,627 INFO L432 NwaCegarLoop]: 700 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, 700 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 23:39:53,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:39:53,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-11-06 23:39:53,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460. [2024-11-06 23:39:53,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 355 states have (on average 1.5295774647887324) internal successors, (543), 359 states have internal predecessors, (543), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-06 23:39:53,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 692 transitions. [2024-11-06 23:39:53,699 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 692 transitions. Word has length 110 [2024-11-06 23:39:53,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:39:53,702 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 692 transitions. [2024-11-06 23:39:53,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:39:53,702 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 692 transitions. [2024-11-06 23:39:53,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-06 23:39:53,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:39:53,712 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:39:53,732 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-06 23:39:53,913 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 23:39:53,913 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:39:53,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:39:53,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1412794511, now seen corresponding path program 1 times [2024-11-06 23:39:53,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:39:53,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330645601] [2024-11-06 23:39:53,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:39:53,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:39:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:54,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:39:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:54,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:39:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:54,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:39:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:54,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-06 23:39:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:54,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-06 23:39:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:54,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-06 23:39:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:54,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-06 23:39:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:54,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-06 23:39:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:54,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-06 23:39:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:54,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-06 23:39:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:54,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-06 23:39:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:54,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:39:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:54,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-06 23:39:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:54,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-06 23:39:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:54,309 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-06 23:39:54,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:39:54,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330645601] [2024-11-06 23:39:54,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330645601] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:39:54,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678669371] [2024-11-06 23:39:54,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:39:54,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:39:54,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:39:54,315 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 23:39:54,317 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 23:39:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:54,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 1111 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 23:39:54,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:39:54,703 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-06 23:39:54,703 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:39:54,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678669371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:39:54,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:39:54,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-06 23:39:54,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649301141] [2024-11-06 23:39:54,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:39:54,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 23:39:54,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:39:54,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 23:39:54,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-06 23:39:54,706 INFO L87 Difference]: Start difference. First operand 460 states and 692 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:39:54,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:39:54,783 INFO L93 Difference]: Finished difference Result 726 states and 1068 transitions. [2024-11-06 23:39:54,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 23:39:54,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 111 [2024-11-06 23:39:54,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:39:54,791 INFO L225 Difference]: With dead ends: 726 [2024-11-06 23:39:54,792 INFO L226 Difference]: Without dead ends: 463 [2024-11-06 23:39:54,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 134 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 23:39:54,794 INFO L432 NwaCegarLoop]: 690 mSDtfsCounter, 1 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1378 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 23:39:54,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1378 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:39:54,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2024-11-06 23:39:54,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 462. [2024-11-06 23:39:54,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 357 states have (on average 1.526610644257703) internal successors, (545), 361 states have internal predecessors, (545), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-06 23:39:54,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 694 transitions. [2024-11-06 23:39:54,841 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 694 transitions. Word has length 111 [2024-11-06 23:39:54,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:39:54,841 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 694 transitions. [2024-11-06 23:39:54,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:39:54,841 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 694 transitions. [2024-11-06 23:39:54,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-06 23:39:54,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:39:54,847 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:39:54,865 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 23:39:55,047 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 23:39:55,048 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:39:55,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:39:55,048 INFO L85 PathProgramCache]: Analyzing trace with hash 389162940, now seen corresponding path program 1 times [2024-11-06 23:39:55,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:39:55,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698216371] [2024-11-06 23:39:55,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:39:55,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:39:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:55,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:39:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:55,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:39:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:55,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:39:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:55,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-06 23:39:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:55,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-06 23:39:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:55,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-06 23:39:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:55,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-06 23:39:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:55,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-06 23:39:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:55,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-06 23:39:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:55,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-06 23:39:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:55,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-06 23:39:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:55,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:39:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:55,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:39:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:55,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-06 23:39:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:55,384 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-06 23:39:55,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:39:55,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698216371] [2024-11-06 23:39:55,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698216371] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:39:55,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119823405] [2024-11-06 23:39:55,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:39:55,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:39:55,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:39:55,387 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 23:39:55,389 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 23:39:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:55,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 1136 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 23:39:55,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:39:55,758 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-06 23:39:55,760 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:39:55,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119823405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:39:55,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:39:55,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-06 23:39:55,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844466953] [2024-11-06 23:39:55,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:39:55,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 23:39:55,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:39:55,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 23:39:55,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-06 23:39:55,764 INFO L87 Difference]: Start difference. First operand 462 states and 694 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:39:55,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:39:55,831 INFO L93 Difference]: Finished difference Result 977 states and 1488 transitions. [2024-11-06 23:39:55,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 23:39:55,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 120 [2024-11-06 23:39:55,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:39:55,838 INFO L225 Difference]: With dead ends: 977 [2024-11-06 23:39:55,838 INFO L226 Difference]: Without dead ends: 542 [2024-11-06 23:39:55,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 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 23:39:55,843 INFO L432 NwaCegarLoop]: 706 mSDtfsCounter, 142 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1352 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 23:39:55,843 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1352 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:39:55,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-11-06 23:39:55,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 534. [2024-11-06 23:39:55,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 415 states have (on average 1.546987951807229) internal successors, (642), 419 states have internal predecessors, (642), 89 states have call successors, (89), 29 states have call predecessors, (89), 29 states have return successors, (88), 87 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-06 23:39:55,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 819 transitions. [2024-11-06 23:39:55,882 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 819 transitions. Word has length 120 [2024-11-06 23:39:55,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:39:55,882 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 819 transitions. [2024-11-06 23:39:55,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:39:55,882 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 819 transitions. [2024-11-06 23:39:55,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-06 23:39:55,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:39:55,887 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:39:55,905 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 23:39:56,087 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 23:39:56,087 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:39:56,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:39:56,088 INFO L85 PathProgramCache]: Analyzing trace with hash 2042303042, now seen corresponding path program 1 times [2024-11-06 23:39:56,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:39:56,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986871883] [2024-11-06 23:39:56,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:39:56,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:39:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:56,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:39:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:56,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:39:56,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:56,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:39:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:56,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-06 23:39:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:56,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-06 23:39:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:56,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-06 23:39:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:56,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:39:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:56,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-06 23:39:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:56,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-06 23:39:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:56,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-06 23:39:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:56,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-06 23:39:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:56,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-06 23:39:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:56,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-06 23:39:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:56,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-06 23:39:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:56,363 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-06 23:39:56,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:39:56,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986871883] [2024-11-06 23:39:56,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986871883] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:39:56,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533662053] [2024-11-06 23:39:56,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:39:56,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:39:56,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:39:56,366 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 23:39:56,368 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 23:39:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:56,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 1141 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-06 23:39:56,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:39:56,773 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-06 23:39:56,774 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:39:56,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533662053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:39:56,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:39:56,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-06 23:39:56,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900934665] [2024-11-06 23:39:56,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:39:56,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:39:56,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:39:56,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:39:56,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:39:56,776 INFO L87 Difference]: Start difference. First operand 534 states and 819 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-06 23:39:56,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:39:56,855 INFO L93 Difference]: Finished difference Result 1059 states and 1628 transitions. [2024-11-06 23:39:56,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 23:39:56,858 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 121 [2024-11-06 23:39:56,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:39:56,862 INFO L225 Difference]: With dead ends: 1059 [2024-11-06 23:39:56,862 INFO L226 Difference]: Without dead ends: 536 [2024-11-06 23:39:56,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 142 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 23:39:56,866 INFO L432 NwaCegarLoop]: 684 mSDtfsCounter, 2 mSDsluCounter, 2041 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2725 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 23:39:56,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2725 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:39:56,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-11-06 23:39:56,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2024-11-06 23:39:56,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 416 states have (on average 1.5456730769230769) internal successors, (643), 421 states have internal predecessors, (643), 89 states have call successors, (89), 29 states have call predecessors, (89), 30 states have return successors, (90), 87 states have call predecessors, (90), 88 states have call successors, (90) [2024-11-06 23:39:56,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 822 transitions. [2024-11-06 23:39:56,903 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 822 transitions. Word has length 121 [2024-11-06 23:39:56,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:39:56,903 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 822 transitions. [2024-11-06 23:39:56,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-06 23:39:56,904 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 822 transitions. [2024-11-06 23:39:56,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-06 23:39:56,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:39:56,907 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:39:56,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-06 23:39:57,108 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 23:39:57,108 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:39:57,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:39:57,109 INFO L85 PathProgramCache]: Analyzing trace with hash -410227042, now seen corresponding path program 1 times [2024-11-06 23:39:57,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:39:57,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906025920] [2024-11-06 23:39:57,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:39:57,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:39:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:57,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:39:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:57,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:39:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:57,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:39:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:57,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:39:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:57,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-06 23:39:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:57,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-06 23:39:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:57,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-06 23:39:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:57,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-06 23:39:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:57,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-06 23:39:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:57,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-06 23:39:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:57,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-06 23:39:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:57,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-06 23:39:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:57,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-06 23:39:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:57,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-06 23:39:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:57,453 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-06 23:39:57,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:39:57,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906025920] [2024-11-06 23:39:57,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906025920] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:39:57,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581210830] [2024-11-06 23:39:57,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:39:57,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:39:57,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:39:57,457 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 23:39:57,459 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 23:39:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:57,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-06 23:39:57,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:39:57,843 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-06 23:39:57,844 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:39:57,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581210830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:39:57,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:39:57,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-06 23:39:57,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130277397] [2024-11-06 23:39:57,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:39:57,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:39:57,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:39:57,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:39:57,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-06 23:39:57,845 INFO L87 Difference]: Start difference. First operand 536 states and 822 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-06 23:39:57,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:39:57,941 INFO L93 Difference]: Finished difference Result 1061 states and 1633 transitions. [2024-11-06 23:39:57,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 23:39:57,942 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 122 [2024-11-06 23:39:57,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:39:57,948 INFO L225 Difference]: With dead ends: 1061 [2024-11-06 23:39:57,949 INFO L226 Difference]: Without dead ends: 538 [2024-11-06 23:39:57,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 142 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 23:39:57,951 INFO L432 NwaCegarLoop]: 682 mSDtfsCounter, 2 mSDsluCounter, 2029 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2711 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-06 23:39:57,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2711 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-06 23:39:57,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-11-06 23:39:57,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2024-11-06 23:39:57,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 417 states have (on average 1.5443645083932853) internal successors, (644), 423 states have internal predecessors, (644), 89 states have call successors, (89), 29 states have call predecessors, (89), 31 states have return successors, (95), 87 states have call predecessors, (95), 88 states have call successors, (95) [2024-11-06 23:39:57,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 828 transitions. [2024-11-06 23:39:57,987 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 828 transitions. Word has length 122 [2024-11-06 23:39:57,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:39:57,988 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 828 transitions. [2024-11-06 23:39:57,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-06 23:39:57,988 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 828 transitions. [2024-11-06 23:39:57,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-06 23:39:57,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:39:57,991 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:39:58,010 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 23:39:58,195 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 23:39:58,196 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:39:58,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:39:58,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1783283689, now seen corresponding path program 1 times [2024-11-06 23:39:58,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:39:58,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642644082] [2024-11-06 23:39:58,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:39:58,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:39:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:58,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:39:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:58,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:39:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:58,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:39:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:58,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:39:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:58,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:39:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:58,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:39:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:58,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-06 23:39:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:58,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-06 23:39:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:58,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-06 23:39:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:58,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-06 23:39:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:58,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-06 23:39:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:58,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-06 23:39:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:58,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-06 23:39:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:58,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-06 23:39:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:39:58,456 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-06 23:39:58,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:39:58,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642644082] [2024-11-06 23:39:58,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642644082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:39:58,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:39:58,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-06 23:39:58,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111425217] [2024-11-06 23:39:58,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:39:58,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-06 23:39:58,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:39:58,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-06 23:39:58,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-06 23:39:58,457 INFO L87 Difference]: Start difference. First operand 538 states and 828 transitions. Second operand has 9 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-06 23:40:01,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:40:01,500 INFO L93 Difference]: Finished difference Result 1287 states and 2007 transitions. [2024-11-06 23:40:01,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-06 23:40:01,501 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 123 [2024-11-06 23:40:01,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:40:01,507 INFO L225 Difference]: With dead ends: 1287 [2024-11-06 23:40:01,508 INFO L226 Difference]: Without dead ends: 772 [2024-11-06 23:40:01,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 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 23:40:01,511 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1679 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 3407 mSolverCounterSat, 605 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1680 SdHoareTripleChecker+Valid, 1402 SdHoareTripleChecker+Invalid, 4012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 605 IncrementalHoareTripleChecker+Valid, 3407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-06 23:40:01,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1680 Valid, 1402 Invalid, 4012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [605 Valid, 3407 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-06 23:40:01,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2024-11-06 23:40:01,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 538. [2024-11-06 23:40:01,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 417 states have (on average 1.5443645083932853) internal successors, (644), 423 states have internal predecessors, (644), 89 states have call successors, (89), 29 states have call predecessors, (89), 31 states have return successors, (94), 87 states have call predecessors, (94), 88 states have call successors, (94) [2024-11-06 23:40:01,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 827 transitions. [2024-11-06 23:40:01,588 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 827 transitions. Word has length 123 [2024-11-06 23:40:01,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:40:01,588 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 827 transitions. [2024-11-06 23:40:01,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-06 23:40:01,589 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 827 transitions. [2024-11-06 23:40:01,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-06 23:40:01,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:40:01,591 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:40:01,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-06 23:40:01,592 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:40:01,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:40:01,592 INFO L85 PathProgramCache]: Analyzing trace with hash -14687389, now seen corresponding path program 2 times [2024-11-06 23:40:01,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:40:01,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190796447] [2024-11-06 23:40:01,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:40:01,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:40:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:01,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:40:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:01,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:40:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:01,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:40:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:01,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:40:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:01,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:40:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:01,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-06 23:40:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:01,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-06 23:40:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:01,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-06 23:40:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:01,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:40:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:01,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-06 23:40:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:01,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-06 23:40:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:01,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-06 23:40:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:01,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-06 23:40:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:01,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-06 23:40:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:01,819 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-06 23:40:01,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:40:01,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190796447] [2024-11-06 23:40:01,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190796447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:40:01,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:40:01,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-06 23:40:01,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619187532] [2024-11-06 23:40:01,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:40:01,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-06 23:40:01,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:40:01,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-06 23:40:01,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-06 23:40:01,821 INFO L87 Difference]: Start difference. First operand 538 states and 827 transitions. Second operand has 9 states, 8 states have (on average 10.25) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-06 23:40:04,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:40:04,467 INFO L93 Difference]: Finished difference Result 1289 states and 2010 transitions. [2024-11-06 23:40:04,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-06 23:40:04,468 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.25) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 124 [2024-11-06 23:40:04,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:40:04,474 INFO L225 Difference]: With dead ends: 1289 [2024-11-06 23:40:04,474 INFO L226 Difference]: Without dead ends: 774 [2024-11-06 23:40:04,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 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 23:40:04,477 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1786 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 3258 mSolverCounterSat, 623 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1787 SdHoareTripleChecker+Valid, 1401 SdHoareTripleChecker+Invalid, 3881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 623 IncrementalHoareTripleChecker+Valid, 3258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-06 23:40:04,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1787 Valid, 1401 Invalid, 3881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [623 Valid, 3258 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-06 23:40:04,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2024-11-06 23:40:04,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 540. [2024-11-06 23:40:04,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 418 states have (on average 1.5430622009569377) internal successors, (645), 425 states have internal predecessors, (645), 89 states have call successors, (89), 29 states have call predecessors, (89), 32 states have return successors, (96), 87 states have call predecessors, (96), 88 states have call successors, (96) [2024-11-06 23:40:04,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 830 transitions. [2024-11-06 23:40:04,524 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 830 transitions. Word has length 124 [2024-11-06 23:40:04,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:40:04,524 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 830 transitions. [2024-11-06 23:40:04,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.25) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-06 23:40:04,524 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 830 transitions. [2024-11-06 23:40:04,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-06 23:40:04,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:40:04,527 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:40:04,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-06 23:40:04,527 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:40:04,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:40:04,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1844049874, now seen corresponding path program 1 times [2024-11-06 23:40:04,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:40:04,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129780346] [2024-11-06 23:40:04,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:40:04,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:40:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:04,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:40:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:04,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:40:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:04,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:40:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:04,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:40:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:04,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:40:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:04,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:40:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:04,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-06 23:40:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:04,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:40:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:04,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-06 23:40:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:04,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-06 23:40:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:04,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-06 23:40:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:04,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-06 23:40:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:04,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-06 23:40:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:04,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-06 23:40:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:04,788 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-06 23:40:04,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:40:04,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129780346] [2024-11-06 23:40:04,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129780346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:40:04,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:40:04,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-06 23:40:04,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585534081] [2024-11-06 23:40:04,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:40:04,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-06 23:40:04,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:40:04,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-06 23:40:04,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:40:04,791 INFO L87 Difference]: Start difference. First operand 540 states and 830 transitions. Second operand has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 8 states have internal predecessors, (86), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-06 23:40:07,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:40:07,786 INFO L93 Difference]: Finished difference Result 1287 states and 2005 transitions. [2024-11-06 23:40:07,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-06 23:40:07,787 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 8 states have internal predecessors, (86), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 125 [2024-11-06 23:40:07,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:40:07,792 INFO L225 Difference]: With dead ends: 1287 [2024-11-06 23:40:07,792 INFO L226 Difference]: Without dead ends: 774 [2024-11-06 23:40:07,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 31 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 23:40:07,795 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 1797 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 5220 mSolverCounterSat, 651 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1798 SdHoareTripleChecker+Valid, 1941 SdHoareTripleChecker+Invalid, 5871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 651 IncrementalHoareTripleChecker+Valid, 5220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-06 23:40:07,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1798 Valid, 1941 Invalid, 5871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [651 Valid, 5220 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-06 23:40:07,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2024-11-06 23:40:07,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 540. [2024-11-06 23:40:07,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 418 states have (on average 1.5430622009569377) internal successors, (645), 425 states have internal predecessors, (645), 89 states have call successors, (89), 29 states have call predecessors, (89), 32 states have return successors, (95), 87 states have call predecessors, (95), 88 states have call successors, (95) [2024-11-06 23:40:07,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 829 transitions. [2024-11-06 23:40:07,835 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 829 transitions. Word has length 125 [2024-11-06 23:40:07,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:40:07,836 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 829 transitions. [2024-11-06 23:40:07,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 8 states have internal predecessors, (86), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-06 23:40:07,836 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 829 transitions. [2024-11-06 23:40:07,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-06 23:40:07,838 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:40:07,838 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:40:07,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-06 23:40:07,838 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:40:07,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:40:07,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1768213281, now seen corresponding path program 2 times [2024-11-06 23:40:07,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:40:07,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212479748] [2024-11-06 23:40:07,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:40:07,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:40:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:07,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:40:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:07,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:40:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:07,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:40:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:07,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:40:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:07,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:40:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:08,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:40:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:08,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-06 23:40:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:08,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-06 23:40:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:08,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-06 23:40:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:08,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:40:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:08,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:40:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:08,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-06 23:40:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:08,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-06 23:40:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:08,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-06 23:40:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:08,069 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-06 23:40:08,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:40:08,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212479748] [2024-11-06 23:40:08,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212479748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:40:08,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:40:08,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-06 23:40:08,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174359869] [2024-11-06 23:40:08,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:40:08,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-06 23:40:08,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:40:08,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-06 23:40:08,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:40:08,070 INFO L87 Difference]: Start difference. First operand 540 states and 829 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-06 23:40:10,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:40:10,831 INFO L93 Difference]: Finished difference Result 1289 states and 2011 transitions. [2024-11-06 23:40:10,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-06 23:40:10,831 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 126 [2024-11-06 23:40:10,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:40:10,837 INFO L225 Difference]: With dead ends: 1289 [2024-11-06 23:40:10,837 INFO L226 Difference]: Without dead ends: 776 [2024-11-06 23:40:10,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 31 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 23:40:10,840 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1795 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 5283 mSolverCounterSat, 637 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1796 SdHoareTripleChecker+Valid, 1944 SdHoareTripleChecker+Invalid, 5920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 637 IncrementalHoareTripleChecker+Valid, 5283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-06 23:40:10,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1796 Valid, 1944 Invalid, 5920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [637 Valid, 5283 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-06 23:40:10,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2024-11-06 23:40:10,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 542. [2024-11-06 23:40:10,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 419 states have (on average 1.541766109785203) internal successors, (646), 427 states have internal predecessors, (646), 89 states have call successors, (89), 29 states have call predecessors, (89), 33 states have return successors, (100), 87 states have call predecessors, (100), 88 states have call successors, (100) [2024-11-06 23:40:10,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 835 transitions. [2024-11-06 23:40:10,899 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 835 transitions. Word has length 126 [2024-11-06 23:40:10,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:40:10,900 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 835 transitions. [2024-11-06 23:40:10,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-06 23:40:10,900 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 835 transitions. [2024-11-06 23:40:10,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-06 23:40:10,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:40:10,903 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:40:10,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-06 23:40:10,904 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:40:10,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:40:10,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1051089069, now seen corresponding path program 1 times [2024-11-06 23:40:10,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:40:10,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273560297] [2024-11-06 23:40:10,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:40:10,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:40:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:11,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:40:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:11,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:40:11,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:11,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:40:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:11,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:40:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:11,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:40:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:11,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:40:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:11,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-06 23:40:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:11,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-06 23:40:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:11,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-06 23:40:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:11,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-06 23:40:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:11,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-06 23:40:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:11,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-06 23:40:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:11,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-06 23:40:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:11,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-06 23:40:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:11,134 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-06 23:40:11,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:40:11,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273560297] [2024-11-06 23:40:11,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273560297] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:40:11,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024926593] [2024-11-06 23:40:11,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:40:11,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:40:11,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:40:11,137 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 23:40:11,138 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 23:40:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:11,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 1147 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 23:40:11,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:40:11,480 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-06 23:40:11,480 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 23:40:11,611 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-06 23:40:11,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024926593] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 23:40:11,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-06 23:40:11,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-06 23:40:11,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815477262] [2024-11-06 23:40:11,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-06 23:40:11,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-06 23:40:11,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:40:11,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-06 23:40:11,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-06 23:40:11,613 INFO L87 Difference]: Start difference. First operand 542 states and 835 transitions. Second operand has 15 states, 14 states have (on average 10.285714285714286) internal successors, (144), 11 states have internal predecessors, (144), 4 states have call successors, (34), 6 states have call predecessors, (34), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-06 23:40:14,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:40:14,477 INFO L93 Difference]: Finished difference Result 1754 states and 2848 transitions. [2024-11-06 23:40:14,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-06 23:40:14,477 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 10.285714285714286) internal successors, (144), 11 states have internal predecessors, (144), 4 states have call successors, (34), 6 states have call predecessors, (34), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) Word has length 127 [2024-11-06 23:40:14,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:40:14,485 INFO L225 Difference]: With dead ends: 1754 [2024-11-06 23:40:14,485 INFO L226 Difference]: Without dead ends: 1243 [2024-11-06 23:40:14,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 277 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 23:40:14,489 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 3311 mSDsluCounter, 1997 mSDsCounter, 0 mSdLazyCounter, 5183 mSolverCounterSat, 1045 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3332 SdHoareTripleChecker+Valid, 2202 SdHoareTripleChecker+Invalid, 6228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1045 IncrementalHoareTripleChecker+Valid, 5183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-06 23:40:14,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3332 Valid, 2202 Invalid, 6228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1045 Valid, 5183 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-06 23:40:14,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2024-11-06 23:40:14,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 985. [2024-11-06 23:40:14,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 985 states, 783 states have (on average 1.5989782886334611) internal successors, (1252), 791 states have internal predecessors, (1252), 168 states have call successors, (168), 29 states have call predecessors, (168), 33 states have return successors, (189), 166 states have call predecessors, (189), 167 states have call successors, (189) [2024-11-06 23:40:14,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1609 transitions. [2024-11-06 23:40:14,561 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1609 transitions. Word has length 127 [2024-11-06 23:40:14,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:40:14,561 INFO L471 AbstractCegarLoop]: Abstraction has 985 states and 1609 transitions. [2024-11-06 23:40:14,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 10.285714285714286) internal successors, (144), 11 states have internal predecessors, (144), 4 states have call successors, (34), 6 states have call predecessors, (34), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-06 23:40:14,562 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1609 transitions. [2024-11-06 23:40:14,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-06 23:40:14,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:40:14,566 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:40:14,585 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 23:40:14,767 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 23:40:14,767 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:40:14,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:40:14,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1684173326, now seen corresponding path program 1 times [2024-11-06 23:40:14,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:40:14,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326212685] [2024-11-06 23:40:14,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:40:14,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:40:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:14,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:40:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:14,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:40:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:14,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:40:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:14,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:40:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:14,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:40:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:14,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:40:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:14,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:40:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:14,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-06 23:40:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:14,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-06 23:40:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:14,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-06 23:40:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:14,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-06 23:40:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:14,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-06 23:40:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:14,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-06 23:40:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:14,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-06 23:40:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:14,880 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-06 23:40:14,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:40:14,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326212685] [2024-11-06 23:40:14,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326212685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:40:14,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:40:14,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:40:14,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976271095] [2024-11-06 23:40:14,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:40:14,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:40:14,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:40:14,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:40:14,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:40:14,882 INFO L87 Difference]: Start difference. First operand 985 states and 1609 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:40:16,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:40:16,745 INFO L93 Difference]: Finished difference Result 2549 states and 4257 transitions. [2024-11-06 23:40:16,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:40:16,745 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2024-11-06 23:40:16,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:40:16,755 INFO L225 Difference]: With dead ends: 2549 [2024-11-06 23:40:16,755 INFO L226 Difference]: Without dead ends: 1642 [2024-11-06 23:40:16,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 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 23:40:16,758 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 1796 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 1991 mSolverCounterSat, 678 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1814 SdHoareTripleChecker+Valid, 1099 SdHoareTripleChecker+Invalid, 2669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 678 IncrementalHoareTripleChecker+Valid, 1991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-06 23:40:16,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1814 Valid, 1099 Invalid, 2669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [678 Valid, 1991 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-06 23:40:16,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1642 states. [2024-11-06 23:40:16,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1642 to 1400. [2024-11-06 23:40:16,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1400 states, 1119 states have (on average 1.6193029490616622) internal successors, (1812), 1127 states have internal predecessors, (1812), 247 states have call successors, (247), 29 states have call predecessors, (247), 33 states have return successors, (278), 245 states have call predecessors, (278), 246 states have call successors, (278) [2024-11-06 23:40:16,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 2337 transitions. [2024-11-06 23:40:16,834 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 2337 transitions. Word has length 130 [2024-11-06 23:40:16,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:40:16,835 INFO L471 AbstractCegarLoop]: Abstraction has 1400 states and 2337 transitions. [2024-11-06 23:40:16,835 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:40:16,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 2337 transitions. [2024-11-06 23:40:16,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-06 23:40:16,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:40:16,841 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:40:16,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-06 23:40:16,842 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:40:16,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:40:16,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1439175383, now seen corresponding path program 1 times [2024-11-06 23:40:16,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:40:16,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177348191] [2024-11-06 23:40:16,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:40:16,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:40:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:16,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:40:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:16,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:40:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:16,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:40:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:16,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:40:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:16,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:40:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:16,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:40:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:16,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-06 23:40:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:16,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-06 23:40:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:16,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-06 23:40:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:16,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-06 23:40:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:16,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-06 23:40:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:16,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:40:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:16,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-06 23:40:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:16,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-06 23:40:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:16,947 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-06 23:40:16,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:40:16,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177348191] [2024-11-06 23:40:16,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177348191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:40:16,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:40:16,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:40:16,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442925389] [2024-11-06 23:40:16,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:40:16,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:40:16,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:40:16,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:40:16,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:40:16,948 INFO L87 Difference]: Start difference. First operand 1400 states and 2337 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:40:18,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:40:18,604 INFO L93 Difference]: Finished difference Result 3588 states and 6070 transitions. [2024-11-06 23:40:18,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:40:18,605 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 131 [2024-11-06 23:40:18,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:40:18,617 INFO L225 Difference]: With dead ends: 3588 [2024-11-06 23:40:18,617 INFO L226 Difference]: Without dead ends: 2319 [2024-11-06 23:40:18,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 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 23:40:18,622 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 1850 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 1856 mSolverCounterSat, 703 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1868 SdHoareTripleChecker+Valid, 1061 SdHoareTripleChecker+Invalid, 2559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 703 IncrementalHoareTripleChecker+Valid, 1856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-06 23:40:18,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1868 Valid, 1061 Invalid, 2559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [703 Valid, 1856 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-06 23:40:18,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2024-11-06 23:40:18,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 2077. [2024-11-06 23:40:18,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2077 states, 1677 states have (on average 1.6302921884317234) internal successors, (2734), 1685 states have internal predecessors, (2734), 366 states have call successors, (366), 29 states have call predecessors, (366), 33 states have return successors, (397), 364 states have call predecessors, (397), 365 states have call successors, (397) [2024-11-06 23:40:18,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 2077 states and 3497 transitions. [2024-11-06 23:40:18,721 INFO L78 Accepts]: Start accepts. Automaton has 2077 states and 3497 transitions. Word has length 131 [2024-11-06 23:40:18,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:40:18,721 INFO L471 AbstractCegarLoop]: Abstraction has 2077 states and 3497 transitions. [2024-11-06 23:40:18,721 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:40:18,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2077 states and 3497 transitions. [2024-11-06 23:40:18,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-06 23:40:18,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:40:18,733 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:40:18,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-06 23:40:18,734 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:40:18,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:40:18,734 INFO L85 PathProgramCache]: Analyzing trace with hash 723238404, now seen corresponding path program 1 times [2024-11-06 23:40:18,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:40:18,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156009258] [2024-11-06 23:40:18,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:40:18,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:40:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:18,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:40:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:18,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:40:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:18,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:40:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:18,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:40:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:18,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:40:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:18,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:40:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:18,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-06 23:40:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:18,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-06 23:40:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:18,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-06 23:40:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:18,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-06 23:40:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:18,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-06 23:40:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:18,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-06 23:40:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:18,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-06 23:40:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:18,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-06 23:40:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:18,872 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-06 23:40:18,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:40:18,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156009258] [2024-11-06 23:40:18,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156009258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:40:18,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:40:18,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:40:18,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242462674] [2024-11-06 23:40:18,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:40:18,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:40:18,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:40:18,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:40:18,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:40:18,873 INFO L87 Difference]: Start difference. First operand 2077 states and 3497 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:40:20,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:40:20,515 INFO L93 Difference]: Finished difference Result 5173 states and 8849 transitions. [2024-11-06 23:40:20,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:40:20,516 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2024-11-06 23:40:20,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:40:20,529 INFO L225 Difference]: With dead ends: 5173 [2024-11-06 23:40:20,529 INFO L226 Difference]: Without dead ends: 3362 [2024-11-06 23:40:20,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 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 23:40:20,534 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 1921 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1777 mSolverCounterSat, 717 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1942 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 2494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 717 IncrementalHoareTripleChecker+Valid, 1777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-06 23:40:20,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1942 Valid, 1021 Invalid, 2494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [717 Valid, 1777 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-06 23:40:20,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3362 states. [2024-11-06 23:40:20,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3362 to 3120. [2024-11-06 23:40:20,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3120 states, 2558 states have (on average 1.638780297107115) internal successors, (4192), 2566 states have internal predecessors, (4192), 528 states have call successors, (528), 29 states have call predecessors, (528), 33 states have return successors, (575), 526 states have call predecessors, (575), 527 states have call successors, (575) [2024-11-06 23:40:20,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3120 states to 3120 states and 5295 transitions. [2024-11-06 23:40:20,720 INFO L78 Accepts]: Start accepts. Automaton has 3120 states and 5295 transitions. Word has length 132 [2024-11-06 23:40:20,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:40:20,720 INFO L471 AbstractCegarLoop]: Abstraction has 3120 states and 5295 transitions. [2024-11-06 23:40:20,721 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:40:20,721 INFO L276 IsEmpty]: Start isEmpty. Operand 3120 states and 5295 transitions. [2024-11-06 23:40:20,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-06 23:40:20,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:40:20,735 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:40:20,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-06 23:40:20,735 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:40:20,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:40:20,736 INFO L85 PathProgramCache]: Analyzing trace with hash -240342154, now seen corresponding path program 1 times [2024-11-06 23:40:20,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:40:20,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602572606] [2024-11-06 23:40:20,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:40:20,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:40:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:20,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:40:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:20,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:40:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:20,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:40:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:20,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:40:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:20,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:40:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:20,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:40:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:20,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-06 23:40:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:20,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:40:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:20,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-06 23:40:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:20,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-06 23:40:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:20,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-06 23:40:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:20,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-06 23:40:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:20,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-06 23:40:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:20,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-06 23:40:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:20,836 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-06 23:40:20,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:40:20,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602572606] [2024-11-06 23:40:20,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602572606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:40:20,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:40:20,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:40:20,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442330845] [2024-11-06 23:40:20,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:40:20,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:40:20,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:40:20,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:40:20,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:40:20,837 INFO L87 Difference]: Start difference. First operand 3120 states and 5295 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:40:22,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:40:22,539 INFO L93 Difference]: Finished difference Result 7687 states and 13264 transitions. [2024-11-06 23:40:22,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:40:22,540 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 133 [2024-11-06 23:40:22,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:40:22,565 INFO L225 Difference]: With dead ends: 7687 [2024-11-06 23:40:22,565 INFO L226 Difference]: Without dead ends: 5052 [2024-11-06 23:40:22,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 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 23:40:22,574 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1904 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1859 mSolverCounterSat, 677 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1923 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 2536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 677 IncrementalHoareTripleChecker+Valid, 1859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-06 23:40:22,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1923 Valid, 1023 Invalid, 2536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [677 Valid, 1859 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-06 23:40:22,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5052 states. [2024-11-06 23:40:22,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5052 to 4810. [2024-11-06 23:40:22,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4810 states, 4003 states have (on average 1.6447664251811143) internal successors, (6584), 4011 states have internal predecessors, (6584), 773 states have call successors, (773), 29 states have call predecessors, (773), 33 states have return successors, (846), 771 states have call predecessors, (846), 772 states have call successors, (846) [2024-11-06 23:40:22,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4810 states to 4810 states and 8203 transitions. [2024-11-06 23:40:22,816 INFO L78 Accepts]: Start accepts. Automaton has 4810 states and 8203 transitions. Word has length 133 [2024-11-06 23:40:22,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:40:22,816 INFO L471 AbstractCegarLoop]: Abstraction has 4810 states and 8203 transitions. [2024-11-06 23:40:22,816 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:40:22,816 INFO L276 IsEmpty]: Start isEmpty. Operand 4810 states and 8203 transitions. [2024-11-06 23:40:22,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-06 23:40:22,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:40:22,832 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:40:22,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-06 23:40:22,832 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:40:22,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:40:22,832 INFO L85 PathProgramCache]: Analyzing trace with hash 884137384, now seen corresponding path program 1 times [2024-11-06 23:40:22,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:40:22,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752557318] [2024-11-06 23:40:22,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:40:22,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:40:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:22,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:40:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:22,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:40:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:22,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:40:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:22,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:40:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:22,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:40:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:22,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:40:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:22,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-06 23:40:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:22,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-06 23:40:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:22,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:40:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:22,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-06 23:40:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:22,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-06 23:40:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:22,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-06 23:40:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:22,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-06 23:40:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:22,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-06 23:40:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:22,933 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-06 23:40:22,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:40:22,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752557318] [2024-11-06 23:40:22,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752557318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:40:22,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:40:22,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:40:22,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101089678] [2024-11-06 23:40:22,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:40:22,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:40:22,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:40:22,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:40:22,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:40:22,935 INFO L87 Difference]: Start difference. First operand 4810 states and 8203 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:40:24,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:40:24,722 INFO L93 Difference]: Finished difference Result 11888 states and 20641 transitions. [2024-11-06 23:40:24,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:40:24,722 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 134 [2024-11-06 23:40:24,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:40:24,756 INFO L225 Difference]: With dead ends: 11888 [2024-11-06 23:40:24,756 INFO L226 Difference]: Without dead ends: 7895 [2024-11-06 23:40:24,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 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 23:40:24,767 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 1833 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 1897 mSolverCounterSat, 680 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1851 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 2577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 680 IncrementalHoareTripleChecker+Valid, 1897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-06 23:40:24,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1851 Valid, 1042 Invalid, 2577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [680 Valid, 1897 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-06 23:40:24,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7895 states. [2024-11-06 23:40:25,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7895 to 7653. [2024-11-06 23:40:25,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7653 states, 6353 states have (on average 1.6437903352746734) internal successors, (10443), 6361 states have internal predecessors, (10443), 1266 states have call successors, (1266), 29 states have call predecessors, (1266), 33 states have return successors, (1383), 1264 states have call predecessors, (1383), 1265 states have call successors, (1383) [2024-11-06 23:40:25,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7653 states to 7653 states and 13092 transitions. [2024-11-06 23:40:25,107 INFO L78 Accepts]: Start accepts. Automaton has 7653 states and 13092 transitions. Word has length 134 [2024-11-06 23:40:25,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:40:25,108 INFO L471 AbstractCegarLoop]: Abstraction has 7653 states and 13092 transitions. [2024-11-06 23:40:25,108 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:40:25,108 INFO L276 IsEmpty]: Start isEmpty. Operand 7653 states and 13092 transitions. [2024-11-06 23:40:25,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-06 23:40:25,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:40:25,136 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:40:25,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-06 23:40:25,136 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:40:25,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:40:25,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1357659182, now seen corresponding path program 1 times [2024-11-06 23:40:25,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:40:25,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483809371] [2024-11-06 23:40:25,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:40:25,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:40:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:25,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:40:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:25,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:40:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:25,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:40:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:25,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:40:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:25,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:40:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:25,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:40:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:25,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-06 23:40:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:25,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-06 23:40:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:25,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-06 23:40:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:25,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:40:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:25,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-06 23:40:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:25,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-06 23:40:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:25,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-06 23:40:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:25,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-06 23:40:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:25,232 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-06 23:40:25,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:40:25,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483809371] [2024-11-06 23:40:25,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483809371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:40:25,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:40:25,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:40:25,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426501880] [2024-11-06 23:40:25,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:40:25,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:40:25,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:40:25,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:40:25,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:40:25,234 INFO L87 Difference]: Start difference. First operand 7653 states and 13092 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:40:27,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:40:27,064 INFO L93 Difference]: Finished difference Result 19503 states and 33917 transitions. [2024-11-06 23:40:27,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:40:27,065 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 135 [2024-11-06 23:40:27,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:40:27,114 INFO L225 Difference]: With dead ends: 19503 [2024-11-06 23:40:27,114 INFO L226 Difference]: Without dead ends: 13069 [2024-11-06 23:40:27,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 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 23:40:27,137 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1796 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1924 mSolverCounterSat, 688 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1814 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 2612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 688 IncrementalHoareTripleChecker+Valid, 1924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-06 23:40:27,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1814 Valid, 1025 Invalid, 2612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [688 Valid, 1924 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-06 23:40:27,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13069 states. [2024-11-06 23:40:27,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13069 to 12827. [2024-11-06 23:40:27,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12827 states, 10705 states have (on average 1.6446520317608595) internal successors, (17606), 10713 states have internal predecessors, (17606), 2088 states have call successors, (2088), 29 states have call predecessors, (2088), 33 states have return successors, (2283), 2086 states have call predecessors, (2283), 2087 states have call successors, (2283) [2024-11-06 23:40:27,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12827 states to 12827 states and 21977 transitions. [2024-11-06 23:40:27,736 INFO L78 Accepts]: Start accepts. Automaton has 12827 states and 21977 transitions. Word has length 135 [2024-11-06 23:40:27,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:40:27,736 INFO L471 AbstractCegarLoop]: Abstraction has 12827 states and 21977 transitions. [2024-11-06 23:40:27,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:40:27,737 INFO L276 IsEmpty]: Start isEmpty. Operand 12827 states and 21977 transitions. [2024-11-06 23:40:27,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-06 23:40:27,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:40:27,763 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:40:27,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-06 23:40:27,763 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:40:27,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:40:27,764 INFO L85 PathProgramCache]: Analyzing trace with hash 748994394, now seen corresponding path program 1 times [2024-11-06 23:40:27,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:40:27,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167182447] [2024-11-06 23:40:27,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:40:27,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:40:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:27,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:40:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:27,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:40:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:27,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:40:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:27,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:40:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:27,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:40:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:27,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:40:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:27,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-06 23:40:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:27,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-06 23:40:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:27,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-06 23:40:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:27,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-06 23:40:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:27,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-06 23:40:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:27,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-06 23:40:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:27,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-06 23:40:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:27,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-06 23:40:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:27,875 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-06 23:40:27,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:40:27,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167182447] [2024-11-06 23:40:27,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167182447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:40:27,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:40:27,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:40:27,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765756584] [2024-11-06 23:40:27,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:40:27,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:40:27,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:40:27,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:40:27,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:40:27,877 INFO L87 Difference]: Start difference. First operand 12827 states and 21977 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:40:30,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:40:30,074 INFO L93 Difference]: Finished difference Result 30986 states and 53617 transitions. [2024-11-06 23:40:30,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:40:30,075 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 136 [2024-11-06 23:40:30,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:40:30,150 INFO L225 Difference]: With dead ends: 30986 [2024-11-06 23:40:30,151 INFO L226 Difference]: Without dead ends: 20382 [2024-11-06 23:40:30,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 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 23:40:30,182 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 1794 mSDsluCounter, 801 mSDsCounter, 0 mSdLazyCounter, 1942 mSolverCounterSat, 655 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1813 SdHoareTripleChecker+Valid, 1028 SdHoareTripleChecker+Invalid, 2597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 655 IncrementalHoareTripleChecker+Valid, 1942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-06 23:40:30,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1813 Valid, 1028 Invalid, 2597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [655 Valid, 1942 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-06 23:40:30,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20382 states. [2024-11-06 23:40:31,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20382 to 20140. [2024-11-06 23:40:31,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20140 states, 16815 states have (on average 1.6206958073148974) internal successors, (27252), 16823 states have internal predecessors, (27252), 3291 states have call successors, (3291), 29 states have call predecessors, (3291), 33 states have return successors, (3630), 3289 states have call predecessors, (3630), 3290 states have call successors, (3630) [2024-11-06 23:40:31,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20140 states to 20140 states and 34173 transitions. [2024-11-06 23:40:31,115 INFO L78 Accepts]: Start accepts. Automaton has 20140 states and 34173 transitions. Word has length 136 [2024-11-06 23:40:31,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:40:31,116 INFO L471 AbstractCegarLoop]: Abstraction has 20140 states and 34173 transitions. [2024-11-06 23:40:31,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:40:31,116 INFO L276 IsEmpty]: Start isEmpty. Operand 20140 states and 34173 transitions. [2024-11-06 23:40:31,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-06 23:40:31,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:40:31,144 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:40:31,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-06 23:40:31,144 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:40:31,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:40:31,145 INFO L85 PathProgramCache]: Analyzing trace with hash -2047230127, now seen corresponding path program 1 times [2024-11-06 23:40:31,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:40:31,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686643888] [2024-11-06 23:40:31,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:40:31,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:40:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:31,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:40:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:31,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:40:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:31,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:40:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:31,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:40:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:31,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:40:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:31,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:40:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:31,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-06 23:40:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:31,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-06 23:40:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:31,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-06 23:40:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:31,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-06 23:40:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:31,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:40:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:31,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-06 23:40:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:31,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-06 23:40:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:31,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-06 23:40:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:31,274 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-06 23:40:31,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:40:31,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686643888] [2024-11-06 23:40:31,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686643888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:40:31,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:40:31,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:40:31,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806714860] [2024-11-06 23:40:31,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:40:31,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:40:31,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:40:31,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:40:31,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:40:31,277 INFO L87 Difference]: Start difference. First operand 20140 states and 34173 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:40:33,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:40:33,551 INFO L93 Difference]: Finished difference Result 53428 states and 92151 transitions. [2024-11-06 23:40:33,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:40:33,552 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2024-11-06 23:40:33,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:40:33,706 INFO L225 Difference]: With dead ends: 53428 [2024-11-06 23:40:33,707 INFO L226 Difference]: Without dead ends: 36188 [2024-11-06 23:40:33,757 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 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 23:40:33,758 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 1869 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1848 mSolverCounterSat, 681 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1889 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 2529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 681 IncrementalHoareTripleChecker+Valid, 1848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-06 23:40:33,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1889 Valid, 1024 Invalid, 2529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [681 Valid, 1848 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-06 23:40:33,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36188 states. [2024-11-06 23:40:34,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36188 to 35946. [2024-11-06 23:40:34,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35946 states, 30171 states have (on average 1.6179112392694972) internal successors, (48814), 30179 states have internal predecessors, (48814), 5741 states have call successors, (5741), 29 states have call predecessors, (5741), 33 states have return successors, (6354), 5739 states have call predecessors, (6354), 5740 states have call successors, (6354) [2024-11-06 23:40:34,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35946 states to 35946 states and 60909 transitions. [2024-11-06 23:40:34,972 INFO L78 Accepts]: Start accepts. Automaton has 35946 states and 60909 transitions. Word has length 137 [2024-11-06 23:40:34,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:40:34,973 INFO L471 AbstractCegarLoop]: Abstraction has 35946 states and 60909 transitions. [2024-11-06 23:40:34,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:40:34,973 INFO L276 IsEmpty]: Start isEmpty. Operand 35946 states and 60909 transitions. [2024-11-06 23:40:35,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-06 23:40:35,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:40:35,006 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:40:35,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-06 23:40:35,007 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:40:35,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:40:35,007 INFO L85 PathProgramCache]: Analyzing trace with hash 253409376, now seen corresponding path program 1 times [2024-11-06 23:40:35,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:40:35,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486425427] [2024-11-06 23:40:35,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:40:35,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:40:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:35,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:40:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:35,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:40:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:35,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:40:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:35,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:40:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:35,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:40:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:35,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:40:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:35,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:40:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:35,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-06 23:40:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:35,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-06 23:40:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:35,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-06 23:40:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:35,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-06 23:40:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:35,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-06 23:40:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:35,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-06 23:40:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:35,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-06 23:40:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:35,136 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-06 23:40:35,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:40:35,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486425427] [2024-11-06 23:40:35,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486425427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:40:35,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:40:35,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:40:35,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560949961] [2024-11-06 23:40:35,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:40:35,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:40:35,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:40:35,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:40:35,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:40:35,137 INFO L87 Difference]: Start difference. First operand 35946 states and 60909 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:40:38,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:40:38,084 INFO L93 Difference]: Finished difference Result 98275 states and 168710 transitions. [2024-11-06 23:40:38,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:40:38,085 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 138 [2024-11-06 23:40:38,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:40:38,343 INFO L225 Difference]: With dead ends: 98275 [2024-11-06 23:40:38,343 INFO L226 Difference]: Without dead ends: 66185 [2024-11-06 23:40:38,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 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 23:40:38,452 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 1872 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 1848 mSolverCounterSat, 691 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1891 SdHoareTripleChecker+Valid, 1027 SdHoareTripleChecker+Invalid, 2539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 691 IncrementalHoareTripleChecker+Valid, 1848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-06 23:40:38,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1891 Valid, 1027 Invalid, 2539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [691 Valid, 1848 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-06 23:40:38,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66185 states. [2024-11-06 23:40:40,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66185 to 65943. [2024-11-06 23:40:40,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65943 states, 55655 states have (on average 1.613996945467613) internal successors, (89827), 55663 states have internal predecessors, (89827), 10254 states have call successors, (10254), 29 states have call predecessors, (10254), 33 states have return successors, (11399), 10252 states have call predecessors, (11399), 10253 states have call successors, (11399) [2024-11-06 23:40:40,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65943 states to 65943 states and 111480 transitions. [2024-11-06 23:40:40,668 INFO L78 Accepts]: Start accepts. Automaton has 65943 states and 111480 transitions. Word has length 138 [2024-11-06 23:40:40,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:40:40,668 INFO L471 AbstractCegarLoop]: Abstraction has 65943 states and 111480 transitions. [2024-11-06 23:40:40,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:40:40,669 INFO L276 IsEmpty]: Start isEmpty. Operand 65943 states and 111480 transitions. [2024-11-06 23:40:40,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-06 23:40:40,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:40:40,705 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:40:40,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-06 23:40:40,706 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:40:40,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:40:40,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1496473903, now seen corresponding path program 1 times [2024-11-06 23:40:40,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:40:40,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413923796] [2024-11-06 23:40:40,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:40:40,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:40:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:40,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:40:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:40,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:40:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:40,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:40:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:40,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:40:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:40,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:40:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:40,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:40:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:40,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-06 23:40:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:40,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-06 23:40:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:40,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-06 23:40:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:40,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-06 23:40:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:40,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-06 23:40:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:40,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-06 23:40:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:40,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-06 23:40:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:40,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-06 23:40:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:40,807 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-06 23:40:40,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:40:40,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413923796] [2024-11-06 23:40:40,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413923796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:40:40,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:40:40,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:40:40,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124545622] [2024-11-06 23:40:40,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:40:40,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:40:40,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:40:40,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:40:40,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:40:40,810 INFO L87 Difference]: Start difference. First operand 65943 states and 111480 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:40:45,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:40:45,237 INFO L93 Difference]: Finished difference Result 123936 states and 213143 transitions. [2024-11-06 23:40:45,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:40:45,237 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 139 [2024-11-06 23:40:45,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:40:45,715 INFO L225 Difference]: With dead ends: 123936 [2024-11-06 23:40:45,715 INFO L226 Difference]: Without dead ends: 123673 [2024-11-06 23:40:45,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 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 23:40:45,789 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 1763 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 1995 mSolverCounterSat, 645 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1780 SdHoareTripleChecker+Valid, 1065 SdHoareTripleChecker+Invalid, 2640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 645 IncrementalHoareTripleChecker+Valid, 1995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-06 23:40:45,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1780 Valid, 1065 Invalid, 2640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [645 Valid, 1995 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-06 23:40:45,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123673 states. [2024-11-06 23:40:49,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123673 to 123431. [2024-11-06 23:40:49,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123431 states, 104775 states have (on average 1.6089620615604867) internal successors, (168579), 104783 states have internal predecessors, (168579), 18622 states have call successors, (18622), 29 states have call predecessors, (18622), 33 states have return successors, (20813), 18620 states have call predecessors, (20813), 18621 states have call successors, (20813) [2024-11-06 23:40:50,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123431 states to 123431 states and 208014 transitions. [2024-11-06 23:40:50,501 INFO L78 Accepts]: Start accepts. Automaton has 123431 states and 208014 transitions. Word has length 139 [2024-11-06 23:40:50,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:40:50,502 INFO L471 AbstractCegarLoop]: Abstraction has 123431 states and 208014 transitions. [2024-11-06 23:40:50,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 23:40:50,506 INFO L276 IsEmpty]: Start isEmpty. Operand 123431 states and 208014 transitions. [2024-11-06 23:40:50,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-06 23:40:50,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:40:50,546 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:40:50,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-06 23:40:50,547 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:40:50,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:40:50,547 INFO L85 PathProgramCache]: Analyzing trace with hash 397812833, now seen corresponding path program 1 times [2024-11-06 23:40:50,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:40:50,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022005771] [2024-11-06 23:40:50,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:40:50,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:40:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:50,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:40:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:50,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:40:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:50,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:40:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:50,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:40:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:50,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:40:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:50,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:40:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:50,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-06 23:40:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:50,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-06 23:40:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:50,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-06 23:40:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:50,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-06 23:40:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:50,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-06 23:40:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:50,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-06 23:40:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:50,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-06 23:40:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:50,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-06 23:40:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:40:50,948 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-06 23:40:50,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:40:50,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022005771] [2024-11-06 23:40:50,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022005771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:40:50,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:40:50,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-06 23:40:50,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602496495] [2024-11-06 23:40:50,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:40:50,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-06 23:40:50,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:40:50,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-06 23:40:50,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2024-11-06 23:40:50,950 INFO L87 Difference]: Start difference. First operand 123431 states and 208014 transitions. Second operand has 18 states, 16 states have (on average 6.0) internal successors, (96), 12 states have internal predecessors, (96), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-06 23:41:02,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:41:02,972 INFO L93 Difference]: Finished difference Result 247119 states and 428379 transitions. [2024-11-06 23:41:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-11-06 23:41:02,973 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 6.0) internal successors, (96), 12 states have internal predecessors, (96), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 140 [2024-11-06 23:41:02,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:41:04,000 INFO L225 Difference]: With dead ends: 247119 [2024-11-06 23:41:04,000 INFO L226 Difference]: Without dead ends: 246862 [2024-11-06 23:41:04,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1378 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=900, Invalid=4070, Unknown=0, NotChecked=0, Total=4970 [2024-11-06 23:41:04,081 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 6945 mSDsluCounter, 3290 mSDsCounter, 0 mSdLazyCounter, 12080 mSolverCounterSat, 2678 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6945 SdHoareTripleChecker+Valid, 3562 SdHoareTripleChecker+Invalid, 14758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2678 IncrementalHoareTripleChecker+Valid, 12080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-06 23:41:04,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6945 Valid, 3562 Invalid, 14758 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2678 Valid, 12080 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2024-11-06 23:41:04,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246862 states.