./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec7_product23.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_spec7_product23.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', '1bb2b79cb955f3674656871a8781fc51d3f295e24daabeaa86e62b128ba42f2a'] 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_spec7_product23.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 1bb2b79cb955f3674656871a8781fc51d3f295e24daabeaa86e62b128ba42f2a --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-06 23:37:23,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 23:37:23,606 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-06 23:37:23,612 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 23:37:23,613 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 23:37:23,634 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 23:37:23,635 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 23:37:23,635 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 23:37:23,635 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 23:37:23,636 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 23:37:23,636 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 23:37:23,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 23:37:23,637 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 23:37:23,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 23:37:23,637 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 23:37:23,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 23:37:23,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 23:37:23,638 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-06 23:37:23,638 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-06 23:37:23,638 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-06 23:37:23,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 23:37:23,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 23:37:23,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 23:37:23,639 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 23:37:23,639 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 23:37:23,639 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-06 23:37:23,639 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 23:37:23,639 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 23:37:23,639 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 23:37:23,639 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 23:37:23,640 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 23:37:23,640 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 23:37:23,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 23:37:23,640 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 23:37:23,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 23:37:23,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 23:37:23,641 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-06 23:37:23,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-06 23:37:23,641 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 23:37:23,641 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 23:37:23,641 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 23:37:23,641 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 23:37:23,642 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 -> 1bb2b79cb955f3674656871a8781fc51d3f295e24daabeaa86e62b128ba42f2a [2024-11-06 23:37:23,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 23:37:23,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 23:37:23,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 23:37:23,912 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 23:37:23,913 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 23:37:23,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_product23.cil.c [2024-11-06 23:37:25,176 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 23:37:25,548 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 23:37:25,550 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product23.cil.c [2024-11-06 23:37:25,575 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d592ee0b6/64a069c1ea77499a8fd3fe2d7715f9a3/FLAG0fb1c4562 [2024-11-06 23:37:25,593 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d592ee0b6/64a069c1ea77499a8fd3fe2d7715f9a3 [2024-11-06 23:37:25,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 23:37:25,597 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-06 23:37:25,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 23:37:25,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 23:37:25,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 23:37:25,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:37:25" (1/1) ... [2024-11-06 23:37:25,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e563de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:37:25, skipping insertion in model container [2024-11-06 23:37:25,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:37:25" (1/1) ... [2024-11-06 23:37:25,672 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 23:37:25,960 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_spec7_product23.cil.c[18387,18400] [2024-11-06 23:37:26,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 23:37:26,125 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 23:37:26,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [48] [2024-11-06 23:37:26,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [416] [2024-11-06 23:37:26,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptVerify_spec.i","") [433] [2024-11-06 23:37:26,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [452] [2024-11-06 23:37:26,133 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [551] [2024-11-06 23:37:26,133 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [952] [2024-11-06 23:37:26,133 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [961] [2024-11-06 23:37:26,133 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [999] [2024-11-06 23:37:26,133 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2071] [2024-11-06 23:37:26,133 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2437] [2024-11-06 23:37:26,133 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2736] [2024-11-06 23:37:26,182 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_spec7_product23.cil.c[18387,18400] [2024-11-06 23:37:26,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 23:37:26,293 INFO L204 MainTranslator]: Completed translation [2024-11-06 23:37:26,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:37:26 WrapperNode [2024-11-06 23:37:26,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 23:37:26,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 23:37:26,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 23:37:26,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 23:37:26,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:37:26" (1/1) ... [2024-11-06 23:37:26,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:37:26" (1/1) ... [2024-11-06 23:37:26,379 INFO L138 Inliner]: procedures = 130, calls = 199, calls flagged for inlining = 60, calls inlined = 53, statements flattened = 980 [2024-11-06 23:37:26,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 23:37:26,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 23:37:26,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 23:37:26,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 23:37:26,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:37:26" (1/1) ... [2024-11-06 23:37:26,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:37:26" (1/1) ... [2024-11-06 23:37:26,401 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:37:26" (1/1) ... [2024-11-06 23:37:26,437 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 23:37:26,438 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:37:26" (1/1) ... [2024-11-06 23:37:26,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:37:26" (1/1) ... [2024-11-06 23:37:26,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:37:26" (1/1) ... [2024-11-06 23:37:26,479 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:37:26" (1/1) ... [2024-11-06 23:37:26,483 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:37:26" (1/1) ... [2024-11-06 23:37:26,495 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:37:26" (1/1) ... [2024-11-06 23:37:26,508 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 23:37:26,509 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 23:37:26,509 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 23:37:26,509 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 23:37:26,510 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:37:26" (1/1) ... [2024-11-06 23:37:26,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 23:37:26,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:37:26,541 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 23:37:26,548 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 23:37:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-06 23:37:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-06 23:37:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-06 23:37:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-06 23:37:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-06 23:37:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-06 23:37:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-06 23:37:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-06 23:37:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-06 23:37:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-06 23:37:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-06 23:37:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-06 23:37:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-06 23:37:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-06 23:37:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-06 23:37:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-06 23:37:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-06 23:37:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-06 23:37:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-06 23:37:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-06 23:37:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-06 23:37:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-06 23:37:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 23:37:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-06 23:37:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-06 23:37:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-06 23:37:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-06 23:37:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-06 23:37:26,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-06 23:37:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-06 23:37:26,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-06 23:37:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-06 23:37:26,571 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-06 23:37:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-06 23:37:26,572 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-06 23:37:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-06 23:37:26,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-06 23:37:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-06 23:37:26,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-06 23:37:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-06 23:37:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-06 23:37:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-06 23:37:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-06 23:37:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-06 23:37:26,573 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-06 23:37:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-06 23:37:26,573 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-06 23:37:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 23:37:26,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 23:37:26,787 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 23:37:26,789 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 23:37:27,754 INFO L? ?]: Removed 500 outVars from TransFormulas that were not future-live. [2024-11-06 23:37:27,755 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 23:37:27,776 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 23:37:27,776 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 23:37:27,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:37:27 BoogieIcfgContainer [2024-11-06 23:37:27,778 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 23:37:27,781 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 23:37:27,782 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 23:37:27,789 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 23:37:27,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:37:25" (1/3) ... [2024-11-06 23:37:27,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34fe1653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:37:27, skipping insertion in model container [2024-11-06 23:37:27,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:37:26" (2/3) ... [2024-11-06 23:37:27,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34fe1653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:37:27, skipping insertion in model container [2024-11-06 23:37:27,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:37:27" (3/3) ... [2024-11-06 23:37:27,791 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product23.cil.c [2024-11-06 23:37:27,804 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 23:37:27,804 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 23:37:27,870 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 23:37:27,882 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;@7e998bdf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 23:37:27,882 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 23:37:27,890 INFO L276 IsEmpty]: Start isEmpty. Operand has 362 states, 289 states have (on average 1.5813148788927336) internal successors, (457), 292 states have internal predecessors, (457), 50 states have call successors, (50), 21 states have call predecessors, (50), 21 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-06 23:37:27,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-06 23:37:27,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:37:27,908 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] [2024-11-06 23:37:27,908 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:37:27,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:37:27,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1154662713, now seen corresponding path program 1 times [2024-11-06 23:37:27,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:37:27,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991232441] [2024-11-06 23:37:27,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:37:27,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:37:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:28,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:37:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:28,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:37:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:28,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:37:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:28,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-06 23:37:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:28,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-06 23:37:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:28,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-06 23:37:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:28,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-06 23:37:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:28,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-06 23:37:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:28,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-06 23:37:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:28,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-06 23:37:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:28,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-06 23:37:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:28,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-06 23:37:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:28,697 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 23:37:28,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:37:28,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991232441] [2024-11-06 23:37:28,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991232441] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:37:28,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214764163] [2024-11-06 23:37:28,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:37:28,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:37:28,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:37:28,705 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 23:37:28,706 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 23:37:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:29,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 23:37:29,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:37:29,124 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 23:37:29,126 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:37:29,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214764163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:37:29,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:37:29,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-06 23:37:29,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118603543] [2024-11-06 23:37:29,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:37:29,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 23:37:29,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:37:29,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 23:37:29,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-06 23:37:29,154 INFO L87 Difference]: Start difference. First operand has 362 states, 289 states have (on average 1.5813148788927336) internal successors, (457), 292 states have internal predecessors, (457), 50 states have call successors, (50), 21 states have call predecessors, (50), 21 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:37:29,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:37:29,221 INFO L93 Difference]: Finished difference Result 531 states and 804 transitions. [2024-11-06 23:37:29,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 23:37:29,223 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 95 [2024-11-06 23:37:29,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:37:29,240 INFO L225 Difference]: With dead ends: 531 [2024-11-06 23:37:29,241 INFO L226 Difference]: Without dead ends: 355 [2024-11-06 23:37:29,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 115 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 23:37:29,250 INFO L432 NwaCegarLoop]: 553 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, 553 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 23:37:29,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:37:29,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-06 23:37:29,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2024-11-06 23:37:29,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 283 states have (on average 1.5759717314487633) internal successors, (446), 285 states have internal predecessors, (446), 50 states have call successors, (50), 21 states have call predecessors, (50), 21 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-06 23:37:29,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 545 transitions. [2024-11-06 23:37:29,324 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 545 transitions. Word has length 95 [2024-11-06 23:37:29,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:37:29,325 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 545 transitions. [2024-11-06 23:37:29,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:37:29,326 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 545 transitions. [2024-11-06 23:37:29,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-06 23:37:29,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:37:29,337 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] [2024-11-06 23:37:29,357 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 23:37:29,537 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 23:37:29,538 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:37:29,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:37:29,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1401512389, now seen corresponding path program 1 times [2024-11-06 23:37:29,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:37:29,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128676641] [2024-11-06 23:37:29,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:37:29,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:37:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:29,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:37:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:29,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:37:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:29,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:37:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:29,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-06 23:37:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:29,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-06 23:37:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:29,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-06 23:37:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:29,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-06 23:37:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:29,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-06 23:37:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:29,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-06 23:37:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:29,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-06 23:37:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:29,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-06 23:37:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:29,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-06 23:37:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:29,883 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 23:37:29,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:37:29,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128676641] [2024-11-06 23:37:29,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128676641] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:37:29,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702326550] [2024-11-06 23:37:29,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:37:29,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:37:29,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:37:29,887 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 23:37:29,889 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 23:37:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:30,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 23:37:30,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:37:30,256 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 23:37:30,256 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:37:30,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702326550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:37:30,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:37:30,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-06 23:37:30,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797345554] [2024-11-06 23:37:30,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:37:30,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 23:37:30,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:37:30,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 23:37:30,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-06 23:37:30,262 INFO L87 Difference]: Start difference. First operand 355 states and 545 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:37:30,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:37:30,317 INFO L93 Difference]: Finished difference Result 521 states and 782 transitions. [2024-11-06 23:37:30,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 23:37:30,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 96 [2024-11-06 23:37:30,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:37:30,321 INFO L225 Difference]: With dead ends: 521 [2024-11-06 23:37:30,321 INFO L226 Difference]: Without dead ends: 358 [2024-11-06 23:37:30,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 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 23:37:30,328 INFO L432 NwaCegarLoop]: 543 mSDtfsCounter, 1 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1084 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 23:37:30,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1084 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:37:30,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-11-06 23:37:30,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 357. [2024-11-06 23:37:30,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 285 states have (on average 1.5719298245614035) internal successors, (448), 287 states have internal predecessors, (448), 50 states have call successors, (50), 21 states have call predecessors, (50), 21 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-06 23:37:30,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 547 transitions. [2024-11-06 23:37:30,356 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 547 transitions. Word has length 96 [2024-11-06 23:37:30,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:37:30,356 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 547 transitions. [2024-11-06 23:37:30,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:37:30,357 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 547 transitions. [2024-11-06 23:37:30,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-06 23:37:30,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:37:30,359 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] [2024-11-06 23:37:30,377 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 23:37:30,560 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 23:37:30,560 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:37:30,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:37:30,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1957743570, now seen corresponding path program 1 times [2024-11-06 23:37:30,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:37:30,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784869219] [2024-11-06 23:37:30,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:37:30,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:37:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:30,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:37:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:30,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:37:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:30,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:37:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:30,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-06 23:37:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:30,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-06 23:37:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:30,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-06 23:37:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:30,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-06 23:37:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:30,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-06 23:37:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:30,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:37:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:30,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-06 23:37:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:30,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-06 23:37:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:30,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-06 23:37:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:30,888 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 23:37:30,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:37:30,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784869219] [2024-11-06 23:37:30,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784869219] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:37:30,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814467779] [2024-11-06 23:37:30,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:37:30,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:37:30,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:37:30,898 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 23:37:30,900 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 23:37:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:31,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 23:37:31,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:37:31,249 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 23:37:31,252 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:37:31,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814467779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:37:31,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:37:31,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-06 23:37:31,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335709433] [2024-11-06 23:37:31,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:37:31,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 23:37:31,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:37:31,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 23:37:31,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-06 23:37:31,255 INFO L87 Difference]: Start difference. First operand 357 states and 547 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:37:31,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:37:31,304 INFO L93 Difference]: Finished difference Result 762 states and 1186 transitions. [2024-11-06 23:37:31,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 23:37:31,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 105 [2024-11-06 23:37:31,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:37:31,313 INFO L225 Difference]: With dead ends: 762 [2024-11-06 23:37:31,314 INFO L226 Difference]: Without dead ends: 432 [2024-11-06 23:37:31,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 124 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 23:37:31,316 INFO L432 NwaCegarLoop]: 564 mSDtfsCounter, 134 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1064 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 23:37:31,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1064 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:37:31,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-06 23:37:31,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 424. [2024-11-06 23:37:31,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 338 states have (on average 1.5887573964497042) internal successors, (537), 340 states have internal predecessors, (537), 64 states have call successors, (64), 21 states have call predecessors, (64), 21 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-06 23:37:31,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 664 transitions. [2024-11-06 23:37:31,352 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 664 transitions. Word has length 105 [2024-11-06 23:37:31,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:37:31,352 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 664 transitions. [2024-11-06 23:37:31,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:37:31,353 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 664 transitions. [2024-11-06 23:37:31,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-06 23:37:31,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:37:31,356 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] [2024-11-06 23:37:31,375 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 23:37:31,560 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 23:37:31,561 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:37:31,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:37:31,561 INFO L85 PathProgramCache]: Analyzing trace with hash -579172174, now seen corresponding path program 1 times [2024-11-06 23:37:31,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:37:31,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40012129] [2024-11-06 23:37:31,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:37:31,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:37:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:31,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:37:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:31,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:37:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:31,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:37:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:31,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-06 23:37:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:31,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-06 23:37:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:31,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-06 23:37:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:31,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:37:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:31,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-06 23:37:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:31,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-06 23:37:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:31,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-06 23:37:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:31,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-06 23:37:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:31,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-06 23:37:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:31,818 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 23:37:31,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:37:31,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40012129] [2024-11-06 23:37:31,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40012129] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:37:31,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852687840] [2024-11-06 23:37:31,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:37:31,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:37:31,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:37:31,821 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 23:37:31,822 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 23:37:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:32,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-06 23:37:32,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:37:32,222 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 23:37:32,224 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:37:32,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852687840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:37:32,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:37:32,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-06 23:37:32,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71243872] [2024-11-06 23:37:32,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:37:32,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:37:32,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:37:32,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:37:32,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:37:32,226 INFO L87 Difference]: Start difference. First operand 424 states and 664 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-06 23:37:32,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:37:32,313 INFO L93 Difference]: Finished difference Result 839 states and 1318 transitions. [2024-11-06 23:37:32,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 23:37:32,314 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 106 [2024-11-06 23:37:32,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:37:32,321 INFO L225 Difference]: With dead ends: 839 [2024-11-06 23:37:32,321 INFO L226 Difference]: Without dead ends: 426 [2024-11-06 23:37:32,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 123 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 23:37:32,323 INFO L432 NwaCegarLoop]: 537 mSDtfsCounter, 2 mSDsluCounter, 1600 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2137 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 23:37:32,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2137 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:37:32,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-06 23:37:32,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2024-11-06 23:37:32,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 339 states have (on average 1.5870206489675516) internal successors, (538), 342 states have internal predecessors, (538), 64 states have call successors, (64), 21 states have call predecessors, (64), 22 states have return successors, (65), 62 states have call predecessors, (65), 63 states have call successors, (65) [2024-11-06 23:37:32,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 667 transitions. [2024-11-06 23:37:32,346 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 667 transitions. Word has length 106 [2024-11-06 23:37:32,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:37:32,346 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 667 transitions. [2024-11-06 23:37:32,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-06 23:37:32,347 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 667 transitions. [2024-11-06 23:37:32,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-06 23:37:32,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:37:32,349 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] [2024-11-06 23:37:32,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-06 23:37:32,553 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 23:37:32,554 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:37:32,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:37:32,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1210001082, now seen corresponding path program 1 times [2024-11-06 23:37:32,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:37:32,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577861308] [2024-11-06 23:37:32,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:37:32,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:37:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:32,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:37:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:32,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:37:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:32,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:37:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:32,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:37:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:32,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-06 23:37:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:32,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-06 23:37:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:32,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-06 23:37:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:32,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-06 23:37:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:32,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-06 23:37:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:32,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-06 23:37:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:32,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:37:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:32,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-06 23:37:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:32,869 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 23:37:32,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:37:32,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577861308] [2024-11-06 23:37:32,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577861308] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:37:32,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573053820] [2024-11-06 23:37:32,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:37:32,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:37:32,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:37:32,872 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 23:37:32,873 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 23:37:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:33,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-06 23:37:33,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:37:33,238 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 23:37:33,239 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:37:33,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1573053820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:37:33,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:37:33,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-06 23:37:33,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242121070] [2024-11-06 23:37:33,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:37:33,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:37:33,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:37:33,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:37:33,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-06 23:37:33,241 INFO L87 Difference]: Start difference. First operand 426 states and 667 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-06 23:37:33,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:37:33,335 INFO L93 Difference]: Finished difference Result 841 states and 1323 transitions. [2024-11-06 23:37:33,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 23:37:33,336 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 107 [2024-11-06 23:37:33,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:37:33,339 INFO L225 Difference]: With dead ends: 841 [2024-11-06 23:37:33,340 INFO L226 Difference]: Without dead ends: 428 [2024-11-06 23:37:33,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 123 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 23:37:33,343 INFO L432 NwaCegarLoop]: 535 mSDtfsCounter, 2 mSDsluCounter, 1588 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2123 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 23:37:33,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2123 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:37:33,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-11-06 23:37:33,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428. [2024-11-06 23:37:33,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 340 states have (on average 1.5852941176470587) internal successors, (539), 344 states have internal predecessors, (539), 64 states have call successors, (64), 21 states have call predecessors, (64), 23 states have return successors, (70), 62 states have call predecessors, (70), 63 states have call successors, (70) [2024-11-06 23:37:33,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 673 transitions. [2024-11-06 23:37:33,372 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 673 transitions. Word has length 107 [2024-11-06 23:37:33,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:37:33,372 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 673 transitions. [2024-11-06 23:37:33,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-06 23:37:33,373 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 673 transitions. [2024-11-06 23:37:33,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-06 23:37:33,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:37:33,375 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] [2024-11-06 23:37:33,394 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 23:37:33,576 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 23:37:33,576 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:37:33,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:37:33,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1521378202, now seen corresponding path program 1 times [2024-11-06 23:37:33,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:37:33,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693859953] [2024-11-06 23:37:33,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:37:33,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:37:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:33,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:37:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:33,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:37:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:33,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:37:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:33,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:37:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:33,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:37:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:33,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:37:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:33,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-06 23:37:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:33,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-06 23:37:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:33,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-06 23:37:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:33,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-06 23:37:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:33,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-06 23:37:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:33,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-06 23:37:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:33,788 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 23:37:33,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:37:33,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693859953] [2024-11-06 23:37:33,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693859953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:37:33,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:37:33,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-06 23:37:33,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170291995] [2024-11-06 23:37:33,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:37:33,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-06 23:37:33,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:37:33,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-06 23:37:33,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-06 23:37:33,790 INFO L87 Difference]: Start difference. First operand 428 states and 673 transitions. Second operand has 9 states, 8 states have (on average 8.75) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-06 23:37:35,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:37:35,933 INFO L93 Difference]: Finished difference Result 953 states and 1523 transitions. [2024-11-06 23:37:35,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-06 23:37:35,934 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.75) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2024-11-06 23:37:35,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:37:35,940 INFO L225 Difference]: With dead ends: 953 [2024-11-06 23:37:35,940 INFO L226 Difference]: Without dead ends: 548 [2024-11-06 23:37:35,942 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 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 23:37:35,943 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1194 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 2333 mSolverCounterSat, 352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1195 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 2685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 352 IncrementalHoareTripleChecker+Valid, 2333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-06 23:37:35,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1195 Valid, 1338 Invalid, 2685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [352 Valid, 2333 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-06 23:37:35,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2024-11-06 23:37:35,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 428. [2024-11-06 23:37:35,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 340 states have (on average 1.5852941176470587) internal successors, (539), 344 states have internal predecessors, (539), 64 states have call successors, (64), 21 states have call predecessors, (64), 23 states have return successors, (69), 62 states have call predecessors, (69), 63 states have call successors, (69) [2024-11-06 23:37:36,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 672 transitions. [2024-11-06 23:37:36,003 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 672 transitions. Word has length 108 [2024-11-06 23:37:36,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:37:36,004 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 672 transitions. [2024-11-06 23:37:36,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.75) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-06 23:37:36,004 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 672 transitions. [2024-11-06 23:37:36,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-06 23:37:36,007 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:37:36,007 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] [2024-11-06 23:37:36,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-06 23:37:36,007 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:37:36,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:37:36,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1922641764, now seen corresponding path program 2 times [2024-11-06 23:37:36,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:37:36,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648635620] [2024-11-06 23:37:36,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:37:36,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:37:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:36,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:37:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:36,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:37:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:36,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:37:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:36,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:37:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:36,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:37:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:36,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-06 23:37:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:36,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-06 23:37:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:36,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-06 23:37:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:36,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-06 23:37:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:36,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-06 23:37:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:36,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-06 23:37:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:36,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-06 23:37:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:36,235 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 23:37:36,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:37:36,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648635620] [2024-11-06 23:37:36,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648635620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:37:36,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:37:36,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-06 23:37:36,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255587437] [2024-11-06 23:37:36,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:37:36,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-06 23:37:36,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:37:36,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-06 23:37:36,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-06 23:37:36,237 INFO L87 Difference]: Start difference. First operand 428 states and 672 transitions. Second operand has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-06 23:37:38,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:37:38,237 INFO L93 Difference]: Finished difference Result 955 states and 1526 transitions. [2024-11-06 23:37:38,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-06 23:37:38,238 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 109 [2024-11-06 23:37:38,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:37:38,244 INFO L225 Difference]: With dead ends: 955 [2024-11-06 23:37:38,244 INFO L226 Difference]: Without dead ends: 550 [2024-11-06 23:37:38,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 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 23:37:38,246 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1190 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 2360 mSolverCounterSat, 341 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1191 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 2701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 341 IncrementalHoareTripleChecker+Valid, 2360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-06 23:37:38,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1191 Valid, 1338 Invalid, 2701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [341 Valid, 2360 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-06 23:37:38,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-11-06 23:37:38,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 430. [2024-11-06 23:37:38,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 341 states have (on average 1.5835777126099706) internal successors, (540), 346 states have internal predecessors, (540), 64 states have call successors, (64), 21 states have call predecessors, (64), 24 states have return successors, (71), 62 states have call predecessors, (71), 63 states have call successors, (71) [2024-11-06 23:37:38,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 675 transitions. [2024-11-06 23:37:38,291 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 675 transitions. Word has length 109 [2024-11-06 23:37:38,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:37:38,291 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 675 transitions. [2024-11-06 23:37:38,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-06 23:37:38,292 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 675 transitions. [2024-11-06 23:37:38,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-06 23:37:38,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:37:38,294 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] [2024-11-06 23:37:38,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-06 23:37:38,294 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:37:38,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:37:38,294 INFO L85 PathProgramCache]: Analyzing trace with hash 741146817, now seen corresponding path program 1 times [2024-11-06 23:37:38,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:37:38,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326056581] [2024-11-06 23:37:38,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:37:38,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:37:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:38,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:37:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:38,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:37:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:38,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:37:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:38,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:37:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:38,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:37:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:38,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:37:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:38,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-06 23:37:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:38,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:37:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:38,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-06 23:37:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:38,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-06 23:37:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:38,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-06 23:37:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:38,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-06 23:37:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:38,542 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 23:37:38,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:37:38,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326056581] [2024-11-06 23:37:38,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326056581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:37:38,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:37:38,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-06 23:37:38,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788011601] [2024-11-06 23:37:38,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:37:38,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-06 23:37:38,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:37:38,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-06 23:37:38,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:37:38,544 INFO L87 Difference]: Start difference. First operand 430 states and 675 transitions. Second operand has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 8 states have internal predecessors, (75), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-06 23:37:41,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:37:41,127 INFO L93 Difference]: Finished difference Result 953 states and 1521 transitions. [2024-11-06 23:37:41,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-06 23:37:41,128 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 8 states have internal predecessors, (75), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 110 [2024-11-06 23:37:41,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:37:41,134 INFO L225 Difference]: With dead ends: 953 [2024-11-06 23:37:41,135 INFO L226 Difference]: Without dead ends: 550 [2024-11-06 23:37:41,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 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 23:37:41,137 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1193 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 3904 mSolverCounterSat, 363 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1194 SdHoareTripleChecker+Valid, 1855 SdHoareTripleChecker+Invalid, 4267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 363 IncrementalHoareTripleChecker+Valid, 3904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-06 23:37:41,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1194 Valid, 1855 Invalid, 4267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [363 Valid, 3904 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-06 23:37:41,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-11-06 23:37:41,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 430. [2024-11-06 23:37:41,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 341 states have (on average 1.5835777126099706) internal successors, (540), 346 states have internal predecessors, (540), 64 states have call successors, (64), 21 states have call predecessors, (64), 24 states have return successors, (70), 62 states have call predecessors, (70), 63 states have call successors, (70) [2024-11-06 23:37:41,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 674 transitions. [2024-11-06 23:37:41,172 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 674 transitions. Word has length 110 [2024-11-06 23:37:41,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:37:41,172 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 674 transitions. [2024-11-06 23:37:41,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 8 states have internal predecessors, (75), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-06 23:37:41,173 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 674 transitions. [2024-11-06 23:37:41,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-06 23:37:41,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:37:41,174 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] [2024-11-06 23:37:41,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-06 23:37:41,175 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:37:41,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:37:41,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1075987353, now seen corresponding path program 2 times [2024-11-06 23:37:41,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:37:41,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981772181] [2024-11-06 23:37:41,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:37:41,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:37:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:41,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:37:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:41,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:37:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:41,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:37:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:41,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:37:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:41,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:37:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:41,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:37:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:41,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-06 23:37:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:41,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-06 23:37:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:41,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-06 23:37:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:41,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-06 23:37:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:41,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-06 23:37:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:41,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-06 23:37:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:41,411 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 23:37:41,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:37:41,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981772181] [2024-11-06 23:37:41,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981772181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:37:41,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:37:41,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-06 23:37:41,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441418026] [2024-11-06 23:37:41,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:37:41,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-06 23:37:41,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:37:41,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-06 23:37:41,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:37:41,413 INFO L87 Difference]: Start difference. First operand 430 states and 674 transitions. Second operand has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-06 23:37:43,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:37:43,714 INFO L93 Difference]: Finished difference Result 955 states and 1527 transitions. [2024-11-06 23:37:43,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-06 23:37:43,715 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 111 [2024-11-06 23:37:43,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:37:43,719 INFO L225 Difference]: With dead ends: 955 [2024-11-06 23:37:43,719 INFO L226 Difference]: Without dead ends: 552 [2024-11-06 23:37:43,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 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 23:37:43,722 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1190 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 3962 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1191 SdHoareTripleChecker+Valid, 1856 SdHoareTripleChecker+Invalid, 4312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 3962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-06 23:37:43,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1191 Valid, 1856 Invalid, 4312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 3962 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-06 23:37:43,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2024-11-06 23:37:43,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 432. [2024-11-06 23:37:43,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 342 states have (on average 1.5818713450292399) internal successors, (541), 348 states have internal predecessors, (541), 64 states have call successors, (64), 21 states have call predecessors, (64), 25 states have return successors, (75), 62 states have call predecessors, (75), 63 states have call successors, (75) [2024-11-06 23:37:43,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 680 transitions. [2024-11-06 23:37:43,762 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 680 transitions. Word has length 111 [2024-11-06 23:37:43,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:37:43,763 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 680 transitions. [2024-11-06 23:37:43,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-06 23:37:43,763 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 680 transitions. [2024-11-06 23:37:43,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-06 23:37:43,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:37:43,766 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] [2024-11-06 23:37:43,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-06 23:37:43,766 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:37:43,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:37:43,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1191491172, now seen corresponding path program 1 times [2024-11-06 23:37:43,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:37:43,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473362385] [2024-11-06 23:37:43,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:37:43,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:37:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:43,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:37:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:43,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:37:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:43,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:37:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:43,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:37:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:43,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:37:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:43,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:37:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:43,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-06 23:37:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:44,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-06 23:37:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:44,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-06 23:37:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:44,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-06 23:37:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:44,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-06 23:37:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:44,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:37:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:44,021 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 23:37:44,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:37:44,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473362385] [2024-11-06 23:37:44,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473362385] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:37:44,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836494746] [2024-11-06 23:37:44,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:37:44,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:37:44,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:37:44,024 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 23:37:44,026 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 23:37:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:44,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 1035 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 23:37:44,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:37:44,339 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 23:37:44,339 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 23:37:44,446 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 23:37:44,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836494746] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 23:37:44,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-06 23:37:44,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-06 23:37:44,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114401429] [2024-11-06 23:37:44,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-06 23:37:44,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-06 23:37:44,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:37:44,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-06 23:37:44,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-06 23:37:44,448 INFO L87 Difference]: Start difference. First operand 432 states and 680 transitions. Second operand has 15 states, 14 states have (on average 8.928571428571429) internal successors, (125), 11 states have internal predecessors, (125), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-06 23:37:46,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:37:46,924 INFO L93 Difference]: Finished difference Result 1395 states and 2324 transitions. [2024-11-06 23:37:46,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-06 23:37:46,925 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.928571428571429) internal successors, (125), 11 states have internal predecessors, (125), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 112 [2024-11-06 23:37:46,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:37:46,933 INFO L225 Difference]: With dead ends: 1395 [2024-11-06 23:37:46,933 INFO L226 Difference]: Without dead ends: 994 [2024-11-06 23:37:46,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 243 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 23:37:46,935 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 2484 mSDsluCounter, 1900 mSDsCounter, 0 mSdLazyCounter, 4385 mSolverCounterSat, 698 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2504 SdHoareTripleChecker+Valid, 2098 SdHoareTripleChecker+Invalid, 5083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 698 IncrementalHoareTripleChecker+Valid, 4385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-06 23:37:46,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2504 Valid, 2098 Invalid, 5083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [698 Valid, 4385 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-06 23:37:46,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2024-11-06 23:37:46,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 850. [2024-11-06 23:37:46,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 681 states have (on average 1.6255506607929515) internal successors, (1107), 687 states have internal predecessors, (1107), 143 states have call successors, (143), 21 states have call predecessors, (143), 25 states have return successors, (164), 141 states have call predecessors, (164), 142 states have call successors, (164) [2024-11-06 23:37:46,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1414 transitions. [2024-11-06 23:37:46,984 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1414 transitions. Word has length 112 [2024-11-06 23:37:46,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:37:46,984 INFO L471 AbstractCegarLoop]: Abstraction has 850 states and 1414 transitions. [2024-11-06 23:37:46,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.928571428571429) internal successors, (125), 11 states have internal predecessors, (125), 4 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-06 23:37:46,985 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1414 transitions. [2024-11-06 23:37:46,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-06 23:37:46,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:37:46,995 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] [2024-11-06 23:37:47,013 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 23:37:47,195 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 23:37:47,195 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:37:47,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:37:47,196 INFO L85 PathProgramCache]: Analyzing trace with hash -431879775, now seen corresponding path program 1 times [2024-11-06 23:37:47,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:37:47,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611354273] [2024-11-06 23:37:47,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:37:47,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:37:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:47,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:37:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:47,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:37:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:47,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:37:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:47,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:37:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:47,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:37:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:47,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:37:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:47,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:37:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:47,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-06 23:37:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:47,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:37:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:47,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-06 23:37:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:47,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-06 23:37:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:47,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-06 23:37:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:47,307 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 23:37:47,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:37:47,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611354273] [2024-11-06 23:37:47,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611354273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:37:47,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:37:47,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:37:47,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458355076] [2024-11-06 23:37:47,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:37:47,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:37:47,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:37:47,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:37:47,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:37:47,308 INFO L87 Difference]: Start difference. First operand 850 states and 1414 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:37:48,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:37:48,626 INFO L93 Difference]: Finished difference Result 2140 states and 3653 transitions. [2024-11-06 23:37:48,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:37:48,627 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 115 [2024-11-06 23:37:48,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:37:48,636 INFO L225 Difference]: With dead ends: 2140 [2024-11-06 23:37:48,636 INFO L226 Difference]: Without dead ends: 1368 [2024-11-06 23:37:48,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 23:37:48,640 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 1321 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 1365 mSolverCounterSat, 410 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1339 SdHoareTripleChecker+Valid, 1039 SdHoareTripleChecker+Invalid, 1775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 410 IncrementalHoareTripleChecker+Valid, 1365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-06 23:37:48,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1339 Valid, 1039 Invalid, 1775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [410 Valid, 1365 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-06 23:37:48,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2024-11-06 23:37:48,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1240. [2024-11-06 23:37:48,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1240 states, 992 states have (on average 1.6401209677419355) internal successors, (1627), 998 states have internal predecessors, (1627), 222 states have call successors, (222), 21 states have call predecessors, (222), 25 states have return successors, (253), 220 states have call predecessors, (253), 221 states have call successors, (253) [2024-11-06 23:37:48,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 2102 transitions. [2024-11-06 23:37:48,711 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 2102 transitions. Word has length 115 [2024-11-06 23:37:48,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:37:48,711 INFO L471 AbstractCegarLoop]: Abstraction has 1240 states and 2102 transitions. [2024-11-06 23:37:48,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:37:48,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 2102 transitions. [2024-11-06 23:37:48,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-06 23:37:48,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:37:48,718 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] [2024-11-06 23:37:48,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-06 23:37:48,718 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:37:48,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:37:48,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1469944040, now seen corresponding path program 1 times [2024-11-06 23:37:48,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:37:48,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196652059] [2024-11-06 23:37:48,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:37:48,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:37:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:48,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:37:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:48,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:37:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:48,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:37:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:48,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:37:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:48,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:37:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:48,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:37:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:48,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-06 23:37:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:48,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-06 23:37:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:48,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-06 23:37:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:48,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-06 23:37:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:48,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-06 23:37:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:48,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-06 23:37:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:48,841 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 23:37:48,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:37:48,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196652059] [2024-11-06 23:37:48,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196652059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:37:48,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:37:48,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:37:48,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389903910] [2024-11-06 23:37:48,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:37:48,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:37:48,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:37:48,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:37:48,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:37:48,842 INFO L87 Difference]: Start difference. First operand 1240 states and 2102 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:37:50,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:37:50,061 INFO L93 Difference]: Finished difference Result 3114 states and 5362 transitions. [2024-11-06 23:37:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:37:50,062 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 116 [2024-11-06 23:37:50,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:37:50,072 INFO L225 Difference]: With dead ends: 3114 [2024-11-06 23:37:50,073 INFO L226 Difference]: Without dead ends: 2005 [2024-11-06 23:37:50,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 23:37:50,077 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1319 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 428 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1337 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 1746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 428 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-06 23:37:50,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1337 Valid, 977 Invalid, 1746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [428 Valid, 1318 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-06 23:37:50,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2005 states. [2024-11-06 23:37:50,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2005 to 1877. [2024-11-06 23:37:50,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1877 states, 1510 states have (on average 1.6456953642384107) internal successors, (2485), 1516 states have internal predecessors, (2485), 341 states have call successors, (341), 21 states have call predecessors, (341), 25 states have return successors, (372), 339 states have call predecessors, (372), 340 states have call successors, (372) [2024-11-06 23:37:50,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 3198 transitions. [2024-11-06 23:37:50,197 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 3198 transitions. Word has length 116 [2024-11-06 23:37:50,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:37:50,197 INFO L471 AbstractCegarLoop]: Abstraction has 1877 states and 3198 transitions. [2024-11-06 23:37:50,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:37:50,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 3198 transitions. [2024-11-06 23:37:50,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-06 23:37:50,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:37:50,206 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] [2024-11-06 23:37:50,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-06 23:37:50,206 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:37:50,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:37:50,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1750003535, now seen corresponding path program 1 times [2024-11-06 23:37:50,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:37:50,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652316323] [2024-11-06 23:37:50,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:37:50,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:37:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:50,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:37:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:50,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:37:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:50,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:37:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:50,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:37:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:50,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:37:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:50,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:37:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:50,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-06 23:37:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:50,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-06 23:37:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:50,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-06 23:37:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:50,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-06 23:37:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:50,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-06 23:37:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:50,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-06 23:37:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:50,314 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 23:37:50,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:37:50,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652316323] [2024-11-06 23:37:50,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652316323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:37:50,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:37:50,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:37:50,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537283357] [2024-11-06 23:37:50,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:37:50,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:37:50,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:37:50,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:37:50,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:37:50,316 INFO L87 Difference]: Start difference. First operand 1877 states and 3198 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:37:51,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:37:51,470 INFO L93 Difference]: Finished difference Result 4594 states and 7973 transitions. [2024-11-06 23:37:51,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:37:51,471 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 117 [2024-11-06 23:37:51,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:37:51,489 INFO L225 Difference]: With dead ends: 4594 [2024-11-06 23:37:51,489 INFO L226 Difference]: Without dead ends: 2983 [2024-11-06 23:37:51,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 23:37:51,495 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1317 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 415 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1335 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 1733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 415 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-06 23:37:51,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1335 Valid, 976 Invalid, 1733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [415 Valid, 1318 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-06 23:37:51,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2983 states. [2024-11-06 23:37:51,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2983 to 2855. [2024-11-06 23:37:51,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2855 states, 2326 states have (on average 1.6504729148753225) internal successors, (3839), 2332 states have internal predecessors, (3839), 503 states have call successors, (503), 21 states have call predecessors, (503), 25 states have return successors, (550), 501 states have call predecessors, (550), 502 states have call successors, (550) [2024-11-06 23:37:51,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 2855 states and 4892 transitions. [2024-11-06 23:37:51,673 INFO L78 Accepts]: Start accepts. Automaton has 2855 states and 4892 transitions. Word has length 117 [2024-11-06 23:37:51,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:37:51,674 INFO L471 AbstractCegarLoop]: Abstraction has 2855 states and 4892 transitions. [2024-11-06 23:37:51,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:37:51,674 INFO L276 IsEmpty]: Start isEmpty. Operand 2855 states and 4892 transitions. [2024-11-06 23:37:51,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-06 23:37:51,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:37:51,683 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] [2024-11-06 23:37:51,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-06 23:37:51,684 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:37:51,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:37:51,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1594260263, now seen corresponding path program 1 times [2024-11-06 23:37:51,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:37:51,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724998647] [2024-11-06 23:37:51,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:37:51,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:37:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:51,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:37:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:51,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:37:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:51,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:37:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:51,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:37:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:51,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:37:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:51,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:37:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:51,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-06 23:37:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:51,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:37:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:51,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-06 23:37:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:51,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-06 23:37:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:51,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:37:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:51,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-06 23:37:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:51,778 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 23:37:51,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:37:51,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724998647] [2024-11-06 23:37:51,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724998647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:37:51,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:37:51,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:37:51,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006462577] [2024-11-06 23:37:51,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:37:51,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:37:51,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:37:51,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:37:51,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:37:51,779 INFO L87 Difference]: Start difference. First operand 2855 states and 4892 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:37:53,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:37:53,001 INFO L93 Difference]: Finished difference Result 6933 states and 12108 transitions. [2024-11-06 23:37:53,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:37:53,002 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 118 [2024-11-06 23:37:53,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:37:53,028 INFO L225 Difference]: With dead ends: 6933 [2024-11-06 23:37:53,029 INFO L226 Difference]: Without dead ends: 4563 [2024-11-06 23:37:53,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 23:37:53,038 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1315 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 1301 mSolverCounterSat, 412 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1334 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 1713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 412 IncrementalHoareTripleChecker+Valid, 1301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-06 23:37:53,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1334 Valid, 974 Invalid, 1713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [412 Valid, 1301 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-06 23:37:53,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4563 states. [2024-11-06 23:37:53,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4563 to 4435. [2024-11-06 23:37:53,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4435 states, 3661 states have (on average 1.6539196940726577) internal successors, (6055), 3667 states have internal predecessors, (6055), 748 states have call successors, (748), 21 states have call predecessors, (748), 25 states have return successors, (821), 746 states have call predecessors, (821), 747 states have call successors, (821) [2024-11-06 23:37:53,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4435 states to 4435 states and 7624 transitions. [2024-11-06 23:37:53,263 INFO L78 Accepts]: Start accepts. Automaton has 4435 states and 7624 transitions. Word has length 118 [2024-11-06 23:37:53,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:37:53,263 INFO L471 AbstractCegarLoop]: Abstraction has 4435 states and 7624 transitions. [2024-11-06 23:37:53,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:37:53,264 INFO L276 IsEmpty]: Start isEmpty. Operand 4435 states and 7624 transitions. [2024-11-06 23:37:53,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-06 23:37:53,275 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:37:53,275 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] [2024-11-06 23:37:53,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-06 23:37:53,275 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:37:53,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:37:53,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1610083413, now seen corresponding path program 1 times [2024-11-06 23:37:53,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:37:53,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025973983] [2024-11-06 23:37:53,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:37:53,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:37:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:53,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:37:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:53,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:37:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:53,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:37:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:53,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:37:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:53,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:37:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:53,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:37:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:53,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-06 23:37:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:53,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-06 23:37:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:53,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-06 23:37:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:53,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-06 23:37:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:53,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-06 23:37:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:53,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-06 23:37:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:53,375 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 23:37:53,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:37:53,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025973983] [2024-11-06 23:37:53,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025973983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:37:53,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:37:53,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:37:53,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886364621] [2024-11-06 23:37:53,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:37:53,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:37:53,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:37:53,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:37:53,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:37:53,376 INFO L87 Difference]: Start difference. First operand 4435 states and 7624 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:37:54,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:37:54,735 INFO L93 Difference]: Finished difference Result 11104 states and 19437 transitions. [2024-11-06 23:37:54,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:37:54,736 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2024-11-06 23:37:54,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:37:54,772 INFO L225 Difference]: With dead ends: 11104 [2024-11-06 23:37:54,772 INFO L226 Difference]: Without dead ends: 7406 [2024-11-06 23:37:54,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 23:37:54,783 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 1311 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 1341 mSolverCounterSat, 411 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1329 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 1752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 411 IncrementalHoareTripleChecker+Valid, 1341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-06 23:37:54,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1329 Valid, 1018 Invalid, 1752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [411 Valid, 1341 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-06 23:37:54,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7406 states. [2024-11-06 23:37:55,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7406 to 7278. [2024-11-06 23:37:55,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7278 states, 6011 states have (on average 1.6493095990683746) internal successors, (9914), 6017 states have internal predecessors, (9914), 1241 states have call successors, (1241), 21 states have call predecessors, (1241), 25 states have return successors, (1358), 1239 states have call predecessors, (1358), 1240 states have call successors, (1358) [2024-11-06 23:37:55,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7278 states to 7278 states and 12513 transitions. [2024-11-06 23:37:55,107 INFO L78 Accepts]: Start accepts. Automaton has 7278 states and 12513 transitions. Word has length 119 [2024-11-06 23:37:55,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:37:55,108 INFO L471 AbstractCegarLoop]: Abstraction has 7278 states and 12513 transitions. [2024-11-06 23:37:55,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:37:55,109 INFO L276 IsEmpty]: Start isEmpty. Operand 7278 states and 12513 transitions. [2024-11-06 23:37:55,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-06 23:37:55,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:37:55,124 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] [2024-11-06 23:37:55,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-06 23:37:55,124 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:37:55,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:37:55,124 INFO L85 PathProgramCache]: Analyzing trace with hash -696510339, now seen corresponding path program 1 times [2024-11-06 23:37:55,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:37:55,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335715239] [2024-11-06 23:37:55,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:37:55,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:37:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:55,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:37:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:55,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:37:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:55,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:37:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:55,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:37:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:55,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:37:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:55,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:37:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:55,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-06 23:37:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:55,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-06 23:37:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:55,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-06 23:37:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:55,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-06 23:37:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:55,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-06 23:37:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:55,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-06 23:37:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:55,221 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 23:37:55,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:37:55,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335715239] [2024-11-06 23:37:55,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335715239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:37:55,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:37:55,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:37:55,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378105789] [2024-11-06 23:37:55,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:37:55,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:37:55,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:37:55,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:37:55,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:37:55,224 INFO L87 Difference]: Start difference. First operand 7278 states and 12513 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:37:56,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:37:56,579 INFO L93 Difference]: Finished difference Result 18524 states and 32401 transitions. [2024-11-06 23:37:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:37:56,580 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2024-11-06 23:37:56,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:37:56,635 INFO L225 Difference]: With dead ends: 18524 [2024-11-06 23:37:56,635 INFO L226 Difference]: Without dead ends: 12385 [2024-11-06 23:37:56,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 23:37:56,660 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1310 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1319 mSolverCounterSat, 417 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1329 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 1736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 417 IncrementalHoareTripleChecker+Valid, 1319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-06 23:37:56,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1329 Valid, 976 Invalid, 1736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [417 Valid, 1319 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-06 23:37:56,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12385 states. [2024-11-06 23:37:57,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12385 to 12257. [2024-11-06 23:37:57,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12257 states, 10168 states have (on average 1.6488001573564122) internal successors, (16765), 10174 states have internal predecessors, (16765), 2063 states have call successors, (2063), 21 states have call predecessors, (2063), 25 states have return successors, (2258), 2061 states have call predecessors, (2258), 2062 states have call successors, (2258) [2024-11-06 23:37:57,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12257 states to 12257 states and 21086 transitions. [2024-11-06 23:37:57,202 INFO L78 Accepts]: Start accepts. Automaton has 12257 states and 21086 transitions. Word has length 120 [2024-11-06 23:37:57,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:37:57,202 INFO L471 AbstractCegarLoop]: Abstraction has 12257 states and 21086 transitions. [2024-11-06 23:37:57,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:37:57,204 INFO L276 IsEmpty]: Start isEmpty. Operand 12257 states and 21086 transitions. [2024-11-06 23:37:57,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-06 23:37:57,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:37:57,223 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] [2024-11-06 23:37:57,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-06 23:37:57,223 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:37:57,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:37:57,224 INFO L85 PathProgramCache]: Analyzing trace with hash -648368819, now seen corresponding path program 1 times [2024-11-06 23:37:57,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:37:57,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124918587] [2024-11-06 23:37:57,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:37:57,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:37:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:57,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:37:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:57,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:37:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:57,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:37:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:57,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:37:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:57,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:37:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:57,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:37:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:57,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-06 23:37:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:57,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-06 23:37:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:57,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-06 23:37:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:57,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-06 23:37:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:57,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-06 23:37:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:57,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-06 23:37:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:57,329 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 23:37:57,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:37:57,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124918587] [2024-11-06 23:37:57,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124918587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:37:57,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:37:57,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:37:57,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18795030] [2024-11-06 23:37:57,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:37:57,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:37:57,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:37:57,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:37:57,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:37:57,331 INFO L87 Difference]: Start difference. First operand 12257 states and 21086 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:37:58,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:37:58,832 INFO L93 Difference]: Finished difference Result 29482 states and 51261 transitions. [2024-11-06 23:37:58,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:37:58,832 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 121 [2024-11-06 23:37:58,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:37:58,918 INFO L225 Difference]: With dead ends: 29482 [2024-11-06 23:37:58,918 INFO L226 Difference]: Without dead ends: 19338 [2024-11-06 23:37:58,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 23:37:58,953 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 1309 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 1325 mSolverCounterSat, 415 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1327 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 1740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 415 IncrementalHoareTripleChecker+Valid, 1325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-06 23:37:58,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1327 Valid, 951 Invalid, 1740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [415 Valid, 1325 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-06 23:37:58,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19338 states. [2024-11-06 23:37:59,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19338 to 19210. [2024-11-06 23:37:59,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19210 states, 15918 states have (on average 1.62300540268878) internal successors, (25835), 15924 states have internal predecessors, (25835), 3266 states have call successors, (3266), 21 states have call predecessors, (3266), 25 states have return successors, (3605), 3264 states have call predecessors, (3605), 3265 states have call successors, (3605) [2024-11-06 23:37:59,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19210 states to 19210 states and 32706 transitions. [2024-11-06 23:37:59,918 INFO L78 Accepts]: Start accepts. Automaton has 19210 states and 32706 transitions. Word has length 121 [2024-11-06 23:37:59,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:37:59,918 INFO L471 AbstractCegarLoop]: Abstraction has 19210 states and 32706 transitions. [2024-11-06 23:37:59,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:37:59,918 INFO L276 IsEmpty]: Start isEmpty. Operand 19210 states and 32706 transitions. [2024-11-06 23:37:59,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-06 23:37:59,934 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:37:59,934 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] [2024-11-06 23:37:59,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-06 23:37:59,935 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:37:59,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:37:59,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1546279390, now seen corresponding path program 1 times [2024-11-06 23:37:59,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:37:59,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002091798] [2024-11-06 23:37:59,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:37:59,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:37:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:59,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:37:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:37:59,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:38:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:00,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:38:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:00,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:38:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:00,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:38:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:00,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:38:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:00,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-06 23:38:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:00,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-06 23:38:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:00,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-06 23:38:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:00,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-06 23:38:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:00,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-06 23:38:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:00,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-06 23:38:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:00,034 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 23:38:00,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:38:00,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002091798] [2024-11-06 23:38:00,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002091798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:38:00,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:38:00,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:38:00,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142704450] [2024-11-06 23:38:00,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:38:00,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:38:00,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:38:00,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:38:00,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:38:00,036 INFO L87 Difference]: Start difference. First operand 19210 states and 32706 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:38:01,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:38:01,868 INFO L93 Difference]: Finished difference Result 50914 states and 88179 transitions. [2024-11-06 23:38:01,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:38:01,869 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 122 [2024-11-06 23:38:01,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:38:02,048 INFO L225 Difference]: With dead ends: 50914 [2024-11-06 23:38:02,048 INFO L226 Difference]: Without dead ends: 34459 [2024-11-06 23:38:02,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:38:02,108 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1309 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1310 mSolverCounterSat, 423 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1328 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 1733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 423 IncrementalHoareTripleChecker+Valid, 1310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-06 23:38:02,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1328 Valid, 976 Invalid, 1733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [423 Valid, 1310 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-06 23:38:02,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34459 states. [2024-11-06 23:38:03,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34459 to 34331. [2024-11-06 23:38:03,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34331 states, 28589 states have (on average 1.6195389835251321) internal successors, (46301), 28595 states have internal predecessors, (46301), 5716 states have call successors, (5716), 21 states have call predecessors, (5716), 25 states have return successors, (6329), 5714 states have call predecessors, (6329), 5715 states have call successors, (6329) [2024-11-06 23:38:03,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34331 states to 34331 states and 58346 transitions. [2024-11-06 23:38:03,699 INFO L78 Accepts]: Start accepts. Automaton has 34331 states and 58346 transitions. Word has length 122 [2024-11-06 23:38:03,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:38:03,700 INFO L471 AbstractCegarLoop]: Abstraction has 34331 states and 58346 transitions. [2024-11-06 23:38:03,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:38:03,700 INFO L276 IsEmpty]: Start isEmpty. Operand 34331 states and 58346 transitions. [2024-11-06 23:38:03,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-06 23:38:03,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:38:03,724 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] [2024-11-06 23:38:03,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-06 23:38:03,725 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:38:03,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:38:03,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1732640263, now seen corresponding path program 1 times [2024-11-06 23:38:03,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:38:03,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567832327] [2024-11-06 23:38:03,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:38:03,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:38:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:03,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:38:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:03,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:38:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:03,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:38:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:03,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:38:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:03,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:38:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:03,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:38:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:03,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:38:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:03,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-06 23:38:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:03,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-06 23:38:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:03,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-06 23:38:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:03,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-06 23:38:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:03,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-06 23:38:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:03,844 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 23:38:03,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:38:03,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567832327] [2024-11-06 23:38:03,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567832327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:38:03,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:38:03,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:38:03,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766278667] [2024-11-06 23:38:03,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:38:03,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:38:03,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:38:03,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:38:03,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:38:03,847 INFO L87 Difference]: Start difference. First operand 34331 states and 58346 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:38:06,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:38:06,312 INFO L93 Difference]: Finished difference Result 93786 states and 161578 transitions. [2024-11-06 23:38:06,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:38:06,312 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 123 [2024-11-06 23:38:06,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:38:06,634 INFO L225 Difference]: With dead ends: 93786 [2024-11-06 23:38:06,634 INFO L226 Difference]: Without dead ends: 63126 [2024-11-06 23:38:06,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 23:38:06,726 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 1306 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1303 mSolverCounterSat, 442 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1324 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 1745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 442 IncrementalHoareTripleChecker+Valid, 1303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-06 23:38:06,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1324 Valid, 982 Invalid, 1745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [442 Valid, 1303 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-06 23:38:06,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63126 states. [2024-11-06 23:38:08,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63126 to 62998. [2024-11-06 23:38:08,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62998 states, 52743 states have (on average 1.6151148019642416) internal successors, (85186), 52749 states have internal predecessors, (85186), 10229 states have call successors, (10229), 21 states have call predecessors, (10229), 25 states have return successors, (11374), 10227 states have call predecessors, (11374), 10228 states have call successors, (11374) [2024-11-06 23:38:09,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62998 states to 62998 states and 106789 transitions. [2024-11-06 23:38:09,114 INFO L78 Accepts]: Start accepts. Automaton has 62998 states and 106789 transitions. Word has length 123 [2024-11-06 23:38:09,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:38:09,114 INFO L471 AbstractCegarLoop]: Abstraction has 62998 states and 106789 transitions. [2024-11-06 23:38:09,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:38:09,114 INFO L276 IsEmpty]: Start isEmpty. Operand 62998 states and 106789 transitions. [2024-11-06 23:38:09,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-06 23:38:09,140 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:38:09,140 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] [2024-11-06 23:38:09,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-06 23:38:09,140 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:38:09,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:38:09,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1811584350, now seen corresponding path program 1 times [2024-11-06 23:38:09,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:38:09,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879428691] [2024-11-06 23:38:09,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:38:09,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:38:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:09,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:38:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:09,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:38:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:09,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:38:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:09,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:38:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:09,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:38:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:09,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:38:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:09,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-06 23:38:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:09,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-06 23:38:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:09,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:38:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:09,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:38:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:09,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-06 23:38:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:09,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-06 23:38:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:09,268 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 23:38:09,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:38:09,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879428691] [2024-11-06 23:38:09,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879428691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:38:09,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:38:09,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:38:09,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598277093] [2024-11-06 23:38:09,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:38:09,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:38:09,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:38:09,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:38:09,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:38:09,271 INFO L87 Difference]: Start difference. First operand 62998 states and 106789 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:38:12,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:38:12,659 INFO L93 Difference]: Finished difference Result 118162 states and 203955 transitions. [2024-11-06 23:38:12,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:38:12,660 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 124 [2024-11-06 23:38:12,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:38:13,176 INFO L225 Difference]: With dead ends: 118162 [2024-11-06 23:38:13,177 INFO L226 Difference]: Without dead ends: 117999 [2024-11-06 23:38:13,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 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 23:38:13,224 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 1299 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 1319 mSolverCounterSat, 421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1317 SdHoareTripleChecker+Valid, 985 SdHoareTripleChecker+Invalid, 1740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 421 IncrementalHoareTripleChecker+Valid, 1319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-06 23:38:13,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1317 Valid, 985 Invalid, 1740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [421 Valid, 1319 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-06 23:38:13,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117999 states. [2024-11-06 23:38:17,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117999 to 117871. [2024-11-06 23:38:17,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117871 states, 99248 states have (on average 1.6096445268418507) internal successors, (159754), 99254 states have internal predecessors, (159754), 18597 states have call successors, (18597), 21 states have call predecessors, (18597), 25 states have return successors, (20788), 18595 states have call predecessors, (20788), 18596 states have call successors, (20788) [2024-11-06 23:38:17,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117871 states to 117871 states and 199139 transitions. [2024-11-06 23:38:17,805 INFO L78 Accepts]: Start accepts. Automaton has 117871 states and 199139 transitions. Word has length 124 [2024-11-06 23:38:17,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:38:17,806 INFO L471 AbstractCegarLoop]: Abstraction has 117871 states and 199139 transitions. [2024-11-06 23:38:17,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:38:17,806 INFO L276 IsEmpty]: Start isEmpty. Operand 117871 states and 199139 transitions. [2024-11-06 23:38:17,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-06 23:38:17,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:38:17,836 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] [2024-11-06 23:38:17,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-06 23:38:17,836 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:38:17,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:38:17,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1880646950, now seen corresponding path program 1 times [2024-11-06 23:38:17,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:38:17,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355291243] [2024-11-06 23:38:17,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:38:17,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:38:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:17,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:38:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:18,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:38:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:18,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:38:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:18,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:38:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:18,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:38:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:18,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:38:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:18,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-06 23:38:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:18,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-06 23:38:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:18,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-06 23:38:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:18,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-06 23:38:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:18,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-06 23:38:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:18,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-06 23:38:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:38:18,069 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 23:38:18,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:38:18,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355291243] [2024-11-06 23:38:18,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355291243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:38:18,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:38:18,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-06 23:38:18,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552049938] [2024-11-06 23:38:18,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:38:18,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-06 23:38:18,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:38:18,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-06 23:38:18,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-06 23:38:18,072 INFO L87 Difference]: Start difference. First operand 117871 states and 199139 transitions. Second operand has 11 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 6 states have internal predecessors, (85), 1 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-06 23:38:22,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:38:22,628 INFO L93 Difference]: Finished difference Result 117989 states and 202617 transitions. [2024-11-06 23:38:22,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-06 23:38:22,629 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 6 states have internal predecessors, (85), 1 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 125 [2024-11-06 23:38:22,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:38:22,655 INFO L225 Difference]: With dead ends: 117989 [2024-11-06 23:38:22,656 INFO L226 Difference]: Without dead ends: 0 [2024-11-06 23:38:22,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2024-11-06 23:38:22,817 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1182 mSDsluCounter, 1460 mSDsCounter, 0 mSdLazyCounter, 3363 mSolverCounterSat, 352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1182 SdHoareTripleChecker+Valid, 1670 SdHoareTripleChecker+Invalid, 3715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 352 IncrementalHoareTripleChecker+Valid, 3363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-06 23:38:22,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1182 Valid, 1670 Invalid, 3715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [352 Valid, 3363 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-06 23:38:22,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-06 23:38:22,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-06 23:38:22,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 23:38:22,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-06 23:38:22,843 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 125 [2024-11-06 23:38:22,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:38:22,844 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-06 23:38:22,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 6 states have internal predecessors, (85), 1 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-06 23:38:22,844 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-06 23:38:22,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-06 23:38:22,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-06 23:38:22,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-06 23:38:22,848 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:38:22,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.