./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec3_productSimulator.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_spec3_productSimulator.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', '18d9c4eb49bcfbad00b16e4c52915ece2e20abb9b599480aaed1e3c1557875b0'] 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_spec3_productSimulator.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 18d9c4eb49bcfbad00b16e4c52915ece2e20abb9b599480aaed1e3c1557875b0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-06 23:33:51,581 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 23:33:51,652 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-06 23:33:51,657 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 23:33:51,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 23:33:51,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 23:33:51,685 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 23:33:51,685 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 23:33:51,686 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 23:33:51,686 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 23:33:51,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 23:33:51,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 23:33:51,687 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 23:33:51,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 23:33:51,688 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 23:33:51,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 23:33:51,688 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 23:33:51,688 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-06 23:33:51,688 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-06 23:33:51,688 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-06 23:33:51,689 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 23:33:51,689 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 23:33:51,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 23:33:51,689 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 23:33:51,689 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 23:33:51,689 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-06 23:33:51,689 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 23:33:51,689 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 23:33:51,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 23:33:51,690 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 23:33:51,690 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 23:33:51,690 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 23:33:51,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 23:33:51,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 23:33:51,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 23:33:51,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 23:33:51,691 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-06 23:33:51,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-06 23:33:51,691 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 23:33:51,691 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 23:33:51,692 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 23:33:51,692 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 23:33:51,692 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 -> 18d9c4eb49bcfbad00b16e4c52915ece2e20abb9b599480aaed1e3c1557875b0 [2024-11-06 23:33:51,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 23:33:51,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 23:33:51,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 23:33:51,987 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 23:33:51,987 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 23:33:51,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_productSimulator.cil.c [2024-11-06 23:33:53,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 23:33:53,586 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 23:33:53,587 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_productSimulator.cil.c [2024-11-06 23:33:53,606 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/355b7f8ed/4e63162943634aeaa5806eb5e7d1bb77/FLAGbea74cb4c [2024-11-06 23:33:53,623 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/355b7f8ed/4e63162943634aeaa5806eb5e7d1bb77 [2024-11-06 23:33:53,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 23:33:53,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-06 23:33:53,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 23:33:53,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 23:33:53,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 23:33:53,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:33:53" (1/1) ... [2024-11-06 23:33:53,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ff5527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:53, skipping insertion in model container [2024-11-06 23:33:53,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:33:53" (1/1) ... [2024-11-06 23:33:53,678 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 23:33:53,937 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_spec3_productSimulator.cil.c[9250,9263] [2024-11-06 23:33:54,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 23:33:54,204 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 23:33:54,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [48] [2024-11-06 23:33:54,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [276] [2024-11-06 23:33:54,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [386] [2024-11-06 23:33:54,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [403] [2024-11-06 23:33:54,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [412] [2024-11-06 23:33:54,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [778] [2024-11-06 23:33:54,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1356] [2024-11-06 23:33:54,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1753] [2024-11-06 23:33:54,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [2030] [2024-11-06 23:33:54,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [3101] [2024-11-06 23:33:54,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignVerify_spec.i","") [3450] [2024-11-06 23:33:54,238 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_spec3_productSimulator.cil.c[9250,9263] [2024-11-06 23:33:54,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 23:33:54,380 INFO L204 MainTranslator]: Completed translation [2024-11-06 23:33:54,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:54 WrapperNode [2024-11-06 23:33:54,382 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 23:33:54,383 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 23:33:54,383 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 23:33:54,383 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 23:33:54,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:54" (1/1) ... [2024-11-06 23:33:54,421 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:54" (1/1) ... [2024-11-06 23:33:54,501 INFO L138 Inliner]: procedures = 152, calls = 270, calls flagged for inlining = 67, calls inlined = 64, statements flattened = 1349 [2024-11-06 23:33:54,504 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 23:33:54,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 23:33:54,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 23:33:54,504 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 23:33:54,512 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:54" (1/1) ... [2024-11-06 23:33:54,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:54" (1/1) ... [2024-11-06 23:33:54,524 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:54" (1/1) ... [2024-11-06 23:33:54,566 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 23:33:54,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:54" (1/1) ... [2024-11-06 23:33:54,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:54" (1/1) ... [2024-11-06 23:33:54,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:54" (1/1) ... [2024-11-06 23:33:54,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:54" (1/1) ... [2024-11-06 23:33:54,627 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:54" (1/1) ... [2024-11-06 23:33:54,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:54" (1/1) ... [2024-11-06 23:33:54,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 23:33:54,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 23:33:54,654 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 23:33:54,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 23:33:54,656 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:54" (1/1) ... [2024-11-06 23:33:54,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 23:33:54,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:33:54,689 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 23:33:54,691 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 23:33:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-06 23:33:54,717 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-06 23:33:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2024-11-06 23:33:54,717 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2024-11-06 23:33:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2024-11-06 23:33:54,717 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2024-11-06 23:33:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-06 23:33:54,717 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-06 23:33:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-06 23:33:54,718 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-06 23:33:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-06 23:33:54,718 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-06 23:33:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-06 23:33:54,718 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-06 23:33:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2024-11-06 23:33:54,719 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2024-11-06 23:33:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-06 23:33:54,719 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-06 23:33:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2024-11-06 23:33:54,720 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2024-11-06 23:33:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-06 23:33:54,720 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-06 23:33:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-06 23:33:54,720 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-06 23:33:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-06 23:33:54,720 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-06 23:33:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2024-11-06 23:33:54,720 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2024-11-06 23:33:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2024-11-06 23:33:54,721 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2024-11-06 23:33:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-06 23:33:54,722 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-06 23:33:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-06 23:33:54,722 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-06 23:33:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-06 23:33:54,722 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-06 23:33:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2024-11-06 23:33:54,722 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2024-11-06 23:33:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-06 23:33:54,722 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-06 23:33:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-06 23:33:54,722 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-06 23:33:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-06 23:33:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-06 23:33:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2024-11-06 23:33:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2024-11-06 23:33:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 23:33:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-06 23:33:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-06 23:33:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-06 23:33:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-06 23:33:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2024-11-06 23:33:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2024-11-06 23:33:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2024-11-06 23:33:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2024-11-06 23:33:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2024-11-06 23:33:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2024-11-06 23:33:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-06 23:33:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-06 23:33:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-06 23:33:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-06 23:33:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2024-11-06 23:33:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2024-11-06 23:33:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-06 23:33:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-06 23:33:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-06 23:33:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-06 23:33:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-06 23:33:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-06 23:33:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-06 23:33:54,724 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-06 23:33:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-06 23:33:54,724 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-06 23:33:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2024-11-06 23:33:54,724 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2024-11-06 23:33:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2024-11-06 23:33:54,724 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2024-11-06 23:33:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-06 23:33:54,724 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-06 23:33:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-06 23:33:54,724 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-06 23:33:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-06 23:33:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-06 23:33:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-06 23:33:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-06 23:33:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-06 23:33:54,727 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-06 23:33:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2024-11-06 23:33:54,727 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2024-11-06 23:33:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2024-11-06 23:33:54,727 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2024-11-06 23:33:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-06 23:33:54,727 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-06 23:33:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 23:33:54,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 23:33:54,996 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 23:33:54,999 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 23:33:56,314 INFO L? ?]: Removed 633 outVars from TransFormulas that were not future-live. [2024-11-06 23:33:56,314 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 23:33:56,343 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 23:33:56,344 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 23:33:56,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:33:56 BoogieIcfgContainer [2024-11-06 23:33:56,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 23:33:56,347 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 23:33:56,349 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 23:33:56,353 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 23:33:56,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:33:53" (1/3) ... [2024-11-06 23:33:56,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@643e73ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:33:56, skipping insertion in model container [2024-11-06 23:33:56,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:54" (2/3) ... [2024-11-06 23:33:56,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@643e73ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:33:56, skipping insertion in model container [2024-11-06 23:33:56,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:33:56" (3/3) ... [2024-11-06 23:33:56,356 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec3_productSimulator.cil.c [2024-11-06 23:33:56,369 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 23:33:56,370 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 23:33:56,438 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 23:33:56,450 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;@7516f247, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 23:33:56,451 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 23:33:56,459 INFO L276 IsEmpty]: Start isEmpty. Operand has 614 states, 453 states have (on average 1.5121412803532008) internal successors, (685), 475 states have internal predecessors, (685), 115 states have call successors, (115), 44 states have call predecessors, (115), 44 states have return successors, (115), 113 states have call predecessors, (115), 115 states have call successors, (115) [2024-11-06 23:33:56,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-06 23:33:56,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:33:56,484 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:33:56,484 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:33:56,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:33:56,489 INFO L85 PathProgramCache]: Analyzing trace with hash 2009232668, now seen corresponding path program 1 times [2024-11-06 23:33:56,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:33:56,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649443809] [2024-11-06 23:33:56,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:33:56,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:33:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:56,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:33:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:56,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:33:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:56,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:33:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:56,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:33:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:56,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:33:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:56,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:33:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:56,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:33:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:56,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:33:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:57,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-06 23:33:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:57,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:33:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:57,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-06 23:33:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:57,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:33:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:57,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-06 23:33:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:57,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:33:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:57,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-06 23:33:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:57,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-06 23:33:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:57,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-06 23:33:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:57,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-06 23:33:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:57,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-06 23:33:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:57,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-06 23:33:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:57,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-06 23:33:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:57,116 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-06 23:33:57,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:33:57,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649443809] [2024-11-06 23:33:57,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649443809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:33:57,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:33:57,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 23:33:57,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136906481] [2024-11-06 23:33:57,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:33:57,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:33:57,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:33:57,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:33:57,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 23:33:57,149 INFO L87 Difference]: Start difference. First operand has 614 states, 453 states have (on average 1.5121412803532008) internal successors, (685), 475 states have internal predecessors, (685), 115 states have call successors, (115), 44 states have call predecessors, (115), 44 states have return successors, (115), 113 states have call predecessors, (115), 115 states have call successors, (115) Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-06 23:33:59,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:33:59,291 INFO L93 Difference]: Finished difference Result 1093 states and 1654 transitions. [2024-11-06 23:33:59,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-06 23:33:59,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 152 [2024-11-06 23:33:59,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:33:59,313 INFO L225 Difference]: With dead ends: 1093 [2024-11-06 23:33:59,314 INFO L226 Difference]: Without dead ends: 741 [2024-11-06 23:33:59,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-06 23:33:59,327 INFO L432 NwaCegarLoop]: 322 mSDtfsCounter, 1388 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 1078 mSolverCounterSat, 603 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1397 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 1681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 603 IncrementalHoareTripleChecker+Valid, 1078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-06 23:33:59,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1397 Valid, 1036 Invalid, 1681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [603 Valid, 1078 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-06 23:33:59,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-11-06 23:33:59,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 606. [2024-11-06 23:33:59,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 447 states have (on average 1.5078299776286352) internal successors, (674), 467 states have internal predecessors, (674), 115 states have call successors, (115), 44 states have call predecessors, (115), 43 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-06 23:33:59,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 901 transitions. [2024-11-06 23:33:59,492 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 901 transitions. Word has length 152 [2024-11-06 23:33:59,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:33:59,493 INFO L471 AbstractCegarLoop]: Abstraction has 606 states and 901 transitions. [2024-11-06 23:33:59,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-06 23:33:59,494 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 901 transitions. [2024-11-06 23:33:59,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-06 23:33:59,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:33:59,505 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:33:59,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-06 23:33:59,507 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:33:59,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:33:59,508 INFO L85 PathProgramCache]: Analyzing trace with hash -716713582, now seen corresponding path program 1 times [2024-11-06 23:33:59,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:33:59,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505793245] [2024-11-06 23:33:59,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:33:59,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:33:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:59,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:33:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:59,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:33:59,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:59,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:33:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:59,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:33:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:59,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:33:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:59,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:33:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:59,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:33:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:59,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:33:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:59,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-06 23:33:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:59,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:33:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:59,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-06 23:33:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:59,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:33:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:59,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-06 23:33:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:59,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:33:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:59,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-06 23:33:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:59,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-06 23:33:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:59,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-06 23:33:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:59,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-06 23:33:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:59,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-06 23:33:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:59,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-06 23:33:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:59,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-06 23:33:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:33:59,976 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-06 23:33:59,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:33:59,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505793245] [2024-11-06 23:33:59,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505793245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:33:59,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:33:59,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-06 23:33:59,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448216612] [2024-11-06 23:33:59,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:33:59,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-06 23:33:59,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:33:59,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-06 23:33:59,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-06 23:33:59,979 INFO L87 Difference]: Start difference. First operand 606 states and 901 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-06 23:34:02,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:34:02,653 INFO L93 Difference]: Finished difference Result 1311 states and 1977 transitions. [2024-11-06 23:34:02,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-06 23:34:02,654 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 153 [2024-11-06 23:34:02,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:34:02,659 INFO L225 Difference]: With dead ends: 1311 [2024-11-06 23:34:02,660 INFO L226 Difference]: Without dead ends: 741 [2024-11-06 23:34:02,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:34:02,662 INFO L432 NwaCegarLoop]: 310 mSDtfsCounter, 1381 mSDsluCounter, 1473 mSDsCounter, 0 mSdLazyCounter, 3497 mSolverCounterSat, 601 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1389 SdHoareTripleChecker+Valid, 1783 SdHoareTripleChecker+Invalid, 4098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 601 IncrementalHoareTripleChecker+Valid, 3497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-06 23:34:02,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1389 Valid, 1783 Invalid, 4098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [601 Valid, 3497 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-06 23:34:02,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-11-06 23:34:02,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 606. [2024-11-06 23:34:02,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 447 states have (on average 1.4921700223713648) internal successors, (667), 467 states have internal predecessors, (667), 115 states have call successors, (115), 44 states have call predecessors, (115), 43 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-06 23:34:02,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 894 transitions. [2024-11-06 23:34:02,710 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 894 transitions. Word has length 153 [2024-11-06 23:34:02,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:34:02,710 INFO L471 AbstractCegarLoop]: Abstraction has 606 states and 894 transitions. [2024-11-06 23:34:02,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-06 23:34:02,711 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 894 transitions. [2024-11-06 23:34:02,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-06 23:34:02,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:34:02,714 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:34:02,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-06 23:34:02,715 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:34:02,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:34:02,715 INFO L85 PathProgramCache]: Analyzing trace with hash 2029792143, now seen corresponding path program 1 times [2024-11-06 23:34:02,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:34:02,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866431435] [2024-11-06 23:34:02,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:02,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:34:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:02,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:34:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:02,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:34:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:02,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:34:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:02,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:34:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:02,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:34:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:02,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:34:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:02,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:34:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:02,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:34:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:02,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-06 23:34:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:02,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:02,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-06 23:34:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:02,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:02,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-06 23:34:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:02,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:02,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-06 23:34:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:02,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-06 23:34:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:02,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-06 23:34:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:02,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-06 23:34:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:02,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-06 23:34:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:02,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-06 23:34:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:02,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-06 23:34:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:02,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-06 23:34:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:02,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-06 23:34:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:02,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-06 23:34:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:03,001 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-11-06 23:34:03,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:34:03,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866431435] [2024-11-06 23:34:03,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866431435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:34:03,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:34:03,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 23:34:03,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765439834] [2024-11-06 23:34:03,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:34:03,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 23:34:03,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:34:03,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 23:34:03,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 23:34:03,003 INFO L87 Difference]: Start difference. First operand 606 states and 894 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-06 23:34:04,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:34:04,686 INFO L93 Difference]: Finished difference Result 1317 states and 1998 transitions. [2024-11-06 23:34:04,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:34:04,687 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 179 [2024-11-06 23:34:04,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:34:04,692 INFO L225 Difference]: With dead ends: 1317 [2024-11-06 23:34:04,692 INFO L226 Difference]: Without dead ends: 742 [2024-11-06 23:34:04,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:34:04,695 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 2060 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 760 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2088 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 1877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 760 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-06 23:34:04,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2088 Valid, 967 Invalid, 1877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [760 Valid, 1117 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-06 23:34:04,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2024-11-06 23:34:04,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 607. [2024-11-06 23:34:04,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 449 states have (on average 1.4810690423162582) internal successors, (665), 467 states have internal predecessors, (665), 113 states have call successors, (113), 45 states have call predecessors, (113), 44 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-06 23:34:04,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 888 transitions. [2024-11-06 23:34:04,758 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 888 transitions. Word has length 179 [2024-11-06 23:34:04,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:34:04,759 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 888 transitions. [2024-11-06 23:34:04,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-06 23:34:04,760 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 888 transitions. [2024-11-06 23:34:04,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-06 23:34:04,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:34:04,766 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:34:04,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-06 23:34:04,767 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:34:04,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:34:04,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1224719253, now seen corresponding path program 1 times [2024-11-06 23:34:04,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:34:04,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119046816] [2024-11-06 23:34:04,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:04,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:34:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:04,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:34:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:04,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:34:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:04,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:34:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:04,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:34:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:04,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:34:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:04,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:34:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:04,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:34:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:04,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:34:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:04,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-06 23:34:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:04,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:04,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-06 23:34:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:04,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:04,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-06 23:34:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:04,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:04,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-06 23:34:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:04,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-06 23:34:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:04,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-06 23:34:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:04,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-06 23:34:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:04,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-06 23:34:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:04,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-06 23:34:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:04,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-06 23:34:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:04,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-06 23:34:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:04,954 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-06 23:34:04,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:34:04,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119046816] [2024-11-06 23:34:04,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119046816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:34:04,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:34:04,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 23:34:04,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223196993] [2024-11-06 23:34:04,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:34:04,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 23:34:04,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:34:04,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 23:34:04,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 23:34:04,956 INFO L87 Difference]: Start difference. First operand 607 states and 888 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-06 23:34:06,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:34:06,528 INFO L93 Difference]: Finished difference Result 1310 states and 1972 transitions. [2024-11-06 23:34:06,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:34:06,529 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 168 [2024-11-06 23:34:06,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:34:06,534 INFO L225 Difference]: With dead ends: 1310 [2024-11-06 23:34:06,534 INFO L226 Difference]: Without dead ends: 739 [2024-11-06 23:34:06,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:34:06,537 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 2073 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 761 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2100 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 1815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 761 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-06 23:34:06,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2100 Valid, 989 Invalid, 1815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [761 Valid, 1054 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-06 23:34:06,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2024-11-06 23:34:06,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 605. [2024-11-06 23:34:06,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 449 states have (on average 1.4743875278396437) internal successors, (662), 465 states have internal predecessors, (662), 111 states have call successors, (111), 45 states have call predecessors, (111), 44 states have return successors, (108), 107 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-06 23:34:06,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 881 transitions. [2024-11-06 23:34:06,593 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 881 transitions. Word has length 168 [2024-11-06 23:34:06,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:34:06,593 INFO L471 AbstractCegarLoop]: Abstraction has 605 states and 881 transitions. [2024-11-06 23:34:06,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-06 23:34:06,594 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 881 transitions. [2024-11-06 23:34:06,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-06 23:34:06,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:34:06,597 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:34:06,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-06 23:34:06,597 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:34:06,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:34:06,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1647430993, now seen corresponding path program 1 times [2024-11-06 23:34:06,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:34:06,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088828586] [2024-11-06 23:34:06,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:06,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:34:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:06,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:34:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:06,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:34:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:06,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:34:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:06,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:34:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:06,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:34:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:06,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:34:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:06,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:34:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:06,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:34:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:06,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:34:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:06,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:06,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-06 23:34:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:06,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:06,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-06 23:34:06,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:06,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:06,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-06 23:34:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:06,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-06 23:34:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:06,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-06 23:34:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:06,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-06 23:34:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:06,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-06 23:34:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:06,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-06 23:34:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:06,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-06 23:34:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:06,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-06 23:34:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:06,785 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-06 23:34:06,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:34:06,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088828586] [2024-11-06 23:34:06,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088828586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:34:06,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:34:06,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 23:34:06,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233208637] [2024-11-06 23:34:06,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:34:06,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 23:34:06,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:34:06,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 23:34:06,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 23:34:06,787 INFO L87 Difference]: Start difference. First operand 605 states and 881 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-06 23:34:08,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:34:08,257 INFO L93 Difference]: Finished difference Result 1301 states and 1925 transitions. [2024-11-06 23:34:08,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:34:08,258 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 169 [2024-11-06 23:34:08,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:34:08,263 INFO L225 Difference]: With dead ends: 1301 [2024-11-06 23:34:08,263 INFO L226 Difference]: Without dead ends: 742 [2024-11-06 23:34:08,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:34:08,266 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 2058 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 773 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2082 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 1840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 773 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-06 23:34:08,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2082 Valid, 919 Invalid, 1840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [773 Valid, 1067 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-06 23:34:08,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2024-11-06 23:34:08,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 602. [2024-11-06 23:34:08,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 449 states have (on average 1.4498886414253898) internal successors, (651), 460 states have internal predecessors, (651), 108 states have call successors, (108), 45 states have call predecessors, (108), 44 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-06 23:34:08,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 864 transitions. [2024-11-06 23:34:08,332 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 864 transitions. Word has length 169 [2024-11-06 23:34:08,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:34:08,332 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 864 transitions. [2024-11-06 23:34:08,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-06 23:34:08,333 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 864 transitions. [2024-11-06 23:34:08,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-06 23:34:08,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:34:08,338 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:34:08,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-06 23:34:08,339 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:34:08,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:34:08,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1900494326, now seen corresponding path program 1 times [2024-11-06 23:34:08,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:34:08,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934157747] [2024-11-06 23:34:08,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:08,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:34:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:34:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:34:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:34:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:34:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:34:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:34:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:34:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:34:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:34:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:34:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:34:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-06 23:34:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-06 23:34:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-06 23:34:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-06 23:34:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-06 23:34:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-06 23:34:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-06 23:34:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-06 23:34:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-06 23:34:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-06 23:34:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-06 23:34:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-06 23:34:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-06 23:34:08,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-06 23:34:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-06 23:34:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:08,835 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-06 23:34:08,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:34:08,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934157747] [2024-11-06 23:34:08,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934157747] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:34:08,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705383696] [2024-11-06 23:34:08,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:08,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:34:08,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:34:08,839 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 23:34:08,841 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 23:34:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:09,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 1632 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 23:34:09,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:34:09,307 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-11-06 23:34:09,311 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:34:09,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [705383696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:34:09,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:34:09,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2024-11-06 23:34:09,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899601810] [2024-11-06 23:34:09,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:34:09,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 23:34:09,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:34:09,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 23:34:09,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:34:09,313 INFO L87 Difference]: Start difference. First operand 602 states and 864 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-06 23:34:09,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:34:09,375 INFO L93 Difference]: Finished difference Result 939 states and 1329 transitions. [2024-11-06 23:34:09,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 23:34:09,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 215 [2024-11-06 23:34:09,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:34:09,381 INFO L225 Difference]: With dead ends: 939 [2024-11-06 23:34:09,381 INFO L226 Difference]: Without dead ends: 605 [2024-11-06 23:34:09,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:34:09,385 INFO L432 NwaCegarLoop]: 860 mSDtfsCounter, 1 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1718 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 23:34:09,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1718 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:34:09,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-11-06 23:34:09,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 604. [2024-11-06 23:34:09,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 451 states have (on average 1.4478935698447895) internal successors, (653), 462 states have internal predecessors, (653), 108 states have call successors, (108), 45 states have call predecessors, (108), 44 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-06 23:34:09,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 866 transitions. [2024-11-06 23:34:09,451 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 866 transitions. Word has length 215 [2024-11-06 23:34:09,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:34:09,452 INFO L471 AbstractCegarLoop]: Abstraction has 604 states and 866 transitions. [2024-11-06 23:34:09,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-06 23:34:09,453 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 866 transitions. [2024-11-06 23:34:09,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-06 23:34:09,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:34:09,457 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:34:09,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-06 23:34:09,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:34:09,658 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:34:09,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:34:09,658 INFO L85 PathProgramCache]: Analyzing trace with hash 868407654, now seen corresponding path program 1 times [2024-11-06 23:34:09,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:34:09,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725385495] [2024-11-06 23:34:09,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:09,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:34:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:09,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:34:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:09,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:34:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:09,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:34:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:09,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:34:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:09,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:34:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:09,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:34:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:09,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:34:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:09,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:34:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:09,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:34:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:09,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:09,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:34:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:09,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:34:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:10,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:10,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-06 23:34:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:10,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-06 23:34:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:10,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:10,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-06 23:34:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:10,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-06 23:34:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:10,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-06 23:34:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:10,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-06 23:34:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:10,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-06 23:34:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:10,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-06 23:34:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:10,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-06 23:34:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:10,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-06 23:34:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:10,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-06 23:34:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:10,094 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-06 23:34:10,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:34:10,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725385495] [2024-11-06 23:34:10,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725385495] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:34:10,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767046570] [2024-11-06 23:34:10,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:10,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:34:10,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:34:10,097 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 23:34:10,099 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 23:34:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:10,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 1529 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 23:34:10,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:34:10,488 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-06 23:34:10,489 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:34:10,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767046570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:34:10,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:34:10,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2024-11-06 23:34:10,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211907582] [2024-11-06 23:34:10,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:34:10,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 23:34:10,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:34:10,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 23:34:10,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:34:10,490 INFO L87 Difference]: Start difference. First operand 604 states and 866 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-06 23:34:10,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:34:10,543 INFO L93 Difference]: Finished difference Result 1228 states and 1793 transitions. [2024-11-06 23:34:10,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 23:34:10,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 195 [2024-11-06 23:34:10,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:34:10,548 INFO L225 Difference]: With dead ends: 1228 [2024-11-06 23:34:10,549 INFO L226 Difference]: Without dead ends: 702 [2024-11-06 23:34:10,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:34:10,551 INFO L432 NwaCegarLoop]: 874 mSDtfsCounter, 165 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1686 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 23:34:10,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1686 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:34:10,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2024-11-06 23:34:10,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 694. [2024-11-06 23:34:10,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 527 states have (on average 1.462998102466793) internal successors, (771), 538 states have internal predecessors, (771), 122 states have call successors, (122), 45 states have call predecessors, (122), 44 states have return successors, (119), 118 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-06 23:34:10,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 1012 transitions. [2024-11-06 23:34:10,620 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 1012 transitions. Word has length 195 [2024-11-06 23:34:10,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:34:10,620 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 1012 transitions. [2024-11-06 23:34:10,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-06 23:34:10,621 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 1012 transitions. [2024-11-06 23:34:10,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-06 23:34:10,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:34:10,625 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:34:10,645 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 23:34:10,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:34:10,826 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:34:10,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:34:10,826 INFO L85 PathProgramCache]: Analyzing trace with hash 324828887, now seen corresponding path program 1 times [2024-11-06 23:34:10,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:34:10,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054443970] [2024-11-06 23:34:10,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:10,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:34:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:34:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:34:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:34:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:34:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:34:11,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:34:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:34:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:34:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:34:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:34:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:34:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-06 23:34:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-06 23:34:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-06 23:34:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-06 23:34:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-06 23:34:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-06 23:34:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-06 23:34:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-06 23:34:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-06 23:34:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-06 23:34:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-06 23:34:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,195 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-06 23:34:11,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:34:11,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054443970] [2024-11-06 23:34:11,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054443970] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:34:11,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855067860] [2024-11-06 23:34:11,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:11,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:34:11,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:34:11,198 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 23:34:11,199 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 23:34:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:11,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 1534 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-06 23:34:11,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:34:11,702 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-06 23:34:11,702 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:34:11,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855067860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:34:11,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:34:11,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2024-11-06 23:34:11,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435996241] [2024-11-06 23:34:11,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:34:11,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-06 23:34:11,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:34:11,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-06 23:34:11,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2024-11-06 23:34:11,705 INFO L87 Difference]: Start difference. First operand 694 states and 1012 transitions. Second operand has 8 states, 6 states have (on average 19.666666666666668) internal successors, (118), 8 states have internal predecessors, (118), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-06 23:34:11,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:34:11,830 INFO L93 Difference]: Finished difference Result 1335 states and 1961 transitions. [2024-11-06 23:34:11,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-06 23:34:11,831 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 19.666666666666668) internal successors, (118), 8 states have internal predecessors, (118), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) Word has length 196 [2024-11-06 23:34:11,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:34:11,835 INFO L225 Difference]: With dead ends: 1335 [2024-11-06 23:34:11,835 INFO L226 Difference]: Without dead ends: 696 [2024-11-06 23:34:11,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2024-11-06 23:34:11,838 INFO L432 NwaCegarLoop]: 851 mSDtfsCounter, 4 mSDsluCounter, 5089 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5940 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 23:34:11,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5940 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:34:11,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2024-11-06 23:34:11,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 696. [2024-11-06 23:34:11,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 528 states have (on average 1.4621212121212122) internal successors, (772), 540 states have internal predecessors, (772), 122 states have call successors, (122), 45 states have call predecessors, (122), 45 states have return successors, (121), 118 states have call predecessors, (121), 119 states have call successors, (121) [2024-11-06 23:34:11,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 1015 transitions. [2024-11-06 23:34:11,909 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 1015 transitions. Word has length 196 [2024-11-06 23:34:11,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:34:11,910 INFO L471 AbstractCegarLoop]: Abstraction has 696 states and 1015 transitions. [2024-11-06 23:34:11,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 19.666666666666668) internal successors, (118), 8 states have internal predecessors, (118), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-06 23:34:11,910 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1015 transitions. [2024-11-06 23:34:11,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-06 23:34:11,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:34:11,914 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:34:11,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-06 23:34:12,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:34:12,114 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:34:12,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:34:12,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1880372696, now seen corresponding path program 1 times [2024-11-06 23:34:12,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:34:12,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28230006] [2024-11-06 23:34:12,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:12,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:34:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:34:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:34:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:34:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:34:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:34:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:34:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:34:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:34:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:34:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:34:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:34:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:34:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-06 23:34:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-06 23:34:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-06 23:34:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-06 23:34:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-06 23:34:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-06 23:34:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-06 23:34:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-06 23:34:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-06 23:34:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-06 23:34:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,448 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-06 23:34:12,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:34:12,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28230006] [2024-11-06 23:34:12,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28230006] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:34:12,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192958652] [2024-11-06 23:34:12,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:12,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:34:12,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:34:12,451 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 23:34:12,453 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 23:34:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:12,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 1535 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-06 23:34:12,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:34:12,958 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-06 23:34:12,958 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:34:12,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192958652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:34:12,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:34:12,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 17 [2024-11-06 23:34:12,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779592624] [2024-11-06 23:34:12,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:34:12,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 23:34:12,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:34:12,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 23:34:12,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2024-11-06 23:34:12,960 INFO L87 Difference]: Start difference. First operand 696 states and 1015 transitions. Second operand has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-06 23:34:13,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:34:13,058 INFO L93 Difference]: Finished difference Result 1336 states and 1965 transitions. [2024-11-06 23:34:13,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 23:34:13,059 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 197 [2024-11-06 23:34:13,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:34:13,064 INFO L225 Difference]: With dead ends: 1336 [2024-11-06 23:34:13,064 INFO L226 Difference]: Without dead ends: 698 [2024-11-06 23:34:13,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2024-11-06 23:34:13,067 INFO L432 NwaCegarLoop]: 851 mSDtfsCounter, 2 mSDsluCounter, 3387 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4238 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 23:34:13,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 4238 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:34:13,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2024-11-06 23:34:13,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 698. [2024-11-06 23:34:13,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 529 states have (on average 1.4612476370510397) internal successors, (773), 542 states have internal predecessors, (773), 122 states have call successors, (122), 45 states have call predecessors, (122), 46 states have return successors, (126), 118 states have call predecessors, (126), 119 states have call successors, (126) [2024-11-06 23:34:13,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 1021 transitions. [2024-11-06 23:34:13,116 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 1021 transitions. Word has length 197 [2024-11-06 23:34:13,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:34:13,117 INFO L471 AbstractCegarLoop]: Abstraction has 698 states and 1021 transitions. [2024-11-06 23:34:13,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-06 23:34:13,117 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1021 transitions. [2024-11-06 23:34:13,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-06 23:34:13,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:34:13,121 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:34:13,141 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-06 23:34:13,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-06 23:34:13,322 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:34:13,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:34:13,322 INFO L85 PathProgramCache]: Analyzing trace with hash 2132175982, now seen corresponding path program 1 times [2024-11-06 23:34:13,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:34:13,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326997801] [2024-11-06 23:34:13,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:13,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:34:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:34:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:34:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:34:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:34:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:34:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:34:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:34:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:34:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:34:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:34:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:34:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:34:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:34:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-06 23:34:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-06 23:34:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-06 23:34:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-06 23:34:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-06 23:34:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-06 23:34:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-06 23:34:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-06 23:34:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-06 23:34:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-06 23:34:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-06 23:34:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-06 23:34:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:13,665 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-06 23:34:13,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:34:13,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326997801] [2024-11-06 23:34:13,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326997801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:34:13,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:34:13,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-06 23:34:13,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946812233] [2024-11-06 23:34:13,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:34:13,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-06 23:34:13,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:34:13,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-06 23:34:13,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:34:13,667 INFO L87 Difference]: Start difference. First operand 698 states and 1021 transitions. Second operand has 12 states, 10 states have (on average 12.1) internal successors, (121), 8 states have internal predecessors, (121), 4 states have call successors, (35), 6 states have call predecessors, (35), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-06 23:34:16,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:34:16,669 INFO L93 Difference]: Finished difference Result 1462 states and 2185 transitions. [2024-11-06 23:34:16,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-06 23:34:16,670 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 12.1) internal successors, (121), 8 states have internal predecessors, (121), 4 states have call successors, (35), 6 states have call predecessors, (35), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 219 [2024-11-06 23:34:16,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:34:16,675 INFO L225 Difference]: With dead ends: 1462 [2024-11-06 23:34:16,675 INFO L226 Difference]: Without dead ends: 836 [2024-11-06 23:34:16,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=108, Invalid=398, Unknown=0, NotChecked=0, Total=506 [2024-11-06 23:34:16,680 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 1836 mSDsluCounter, 2289 mSDsCounter, 0 mSdLazyCounter, 5636 mSolverCounterSat, 797 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1838 SdHoareTripleChecker+Valid, 2573 SdHoareTripleChecker+Invalid, 6433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 797 IncrementalHoareTripleChecker+Valid, 5636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-06 23:34:16,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1838 Valid, 2573 Invalid, 6433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [797 Valid, 5636 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-06 23:34:16,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2024-11-06 23:34:16,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 698. [2024-11-06 23:34:16,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 529 states have (on average 1.4612476370510397) internal successors, (773), 542 states have internal predecessors, (773), 122 states have call successors, (122), 45 states have call predecessors, (122), 46 states have return successors, (125), 118 states have call predecessors, (125), 119 states have call successors, (125) [2024-11-06 23:34:16,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 1020 transitions. [2024-11-06 23:34:16,736 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 1020 transitions. Word has length 219 [2024-11-06 23:34:16,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:34:16,737 INFO L471 AbstractCegarLoop]: Abstraction has 698 states and 1020 transitions. [2024-11-06 23:34:16,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 12.1) internal successors, (121), 8 states have internal predecessors, (121), 4 states have call successors, (35), 6 states have call predecessors, (35), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-06 23:34:16,737 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1020 transitions. [2024-11-06 23:34:16,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-06 23:34:16,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:34:16,741 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:34:16,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-06 23:34:16,741 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:34:16,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:34:16,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1187164808, now seen corresponding path program 1 times [2024-11-06 23:34:16,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:34:16,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570824939] [2024-11-06 23:34:16,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:16,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:34:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:16,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:34:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:16,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:34:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:16,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:34:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:16,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:34:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:16,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:34:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:16,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:34:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:16,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:34:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:16,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:34:16,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:16,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:34:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:16,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:16,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:34:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:16,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:34:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:16,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:16,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:34:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:16,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:34:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:17,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:17,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-06 23:34:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:17,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-06 23:34:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:17,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-06 23:34:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:17,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-06 23:34:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:17,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-06 23:34:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:17,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-06 23:34:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:17,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-06 23:34:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:17,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-06 23:34:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:17,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-06 23:34:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:17,078 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-06 23:34:17,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:34:17,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570824939] [2024-11-06 23:34:17,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570824939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:34:17,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:34:17,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-06 23:34:17,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4771157] [2024-11-06 23:34:17,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:34:17,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-06 23:34:17,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:34:17,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-06 23:34:17,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:34:17,080 INFO L87 Difference]: Start difference. First operand 698 states and 1020 transitions. Second operand has 12 states, 10 states have (on average 11.7) internal successors, (117), 8 states have internal predecessors, (117), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-06 23:34:19,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:34:19,968 INFO L93 Difference]: Finished difference Result 1464 states and 2188 transitions. [2024-11-06 23:34:19,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-06 23:34:19,970 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 11.7) internal successors, (117), 8 states have internal predecessors, (117), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) Word has length 199 [2024-11-06 23:34:19,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:34:19,976 INFO L225 Difference]: With dead ends: 1464 [2024-11-06 23:34:19,976 INFO L226 Difference]: Without dead ends: 838 [2024-11-06 23:34:19,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=108, Invalid=398, Unknown=0, NotChecked=0, Total=506 [2024-11-06 23:34:19,978 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 1816 mSDsluCounter, 2289 mSDsCounter, 0 mSdLazyCounter, 5832 mSolverCounterSat, 782 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1818 SdHoareTripleChecker+Valid, 2574 SdHoareTripleChecker+Invalid, 6614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 782 IncrementalHoareTripleChecker+Valid, 5832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-06 23:34:19,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1818 Valid, 2574 Invalid, 6614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [782 Valid, 5832 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-06 23:34:19,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-11-06 23:34:20,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 700. [2024-11-06 23:34:20,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 530 states have (on average 1.460377358490566) internal successors, (774), 544 states have internal predecessors, (774), 122 states have call successors, (122), 45 states have call predecessors, (122), 47 states have return successors, (127), 118 states have call predecessors, (127), 119 states have call successors, (127) [2024-11-06 23:34:20,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 1023 transitions. [2024-11-06 23:34:20,037 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 1023 transitions. Word has length 199 [2024-11-06 23:34:20,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:34:20,038 INFO L471 AbstractCegarLoop]: Abstraction has 700 states and 1023 transitions. [2024-11-06 23:34:20,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 11.7) internal successors, (117), 8 states have internal predecessors, (117), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-06 23:34:20,038 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1023 transitions. [2024-11-06 23:34:20,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-06 23:34:20,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:34:20,042 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:34:20,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-06 23:34:20,043 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:34:20,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:34:20,043 INFO L85 PathProgramCache]: Analyzing trace with hash 814388246, now seen corresponding path program 1 times [2024-11-06 23:34:20,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:34:20,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842345437] [2024-11-06 23:34:20,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:20,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:34:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:34:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:34:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:34:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:34:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:34:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:34:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:34:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:34:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:34:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:34:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:34:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:34:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:34:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:34:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-06 23:34:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-06 23:34:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-06 23:34:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-06 23:34:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-06 23:34:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-06 23:34:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-06 23:34:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-06 23:34:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:20,347 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-06 23:34:20,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:34:20,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842345437] [2024-11-06 23:34:20,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842345437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:34:20,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:34:20,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-06 23:34:20,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792915753] [2024-11-06 23:34:20,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:34:20,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-06 23:34:20,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:34:20,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-06 23:34:20,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:34:20,351 INFO L87 Difference]: Start difference. First operand 700 states and 1023 transitions. Second operand has 13 states, 11 states have (on average 11.0) internal successors, (121), 8 states have internal predecessors, (121), 4 states have call successors, (32), 6 states have call predecessors, (32), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-06 23:34:23,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:34:23,557 INFO L93 Difference]: Finished difference Result 1463 states and 2187 transitions. [2024-11-06 23:34:23,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-06 23:34:23,558 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 11.0) internal successors, (121), 8 states have internal predecessors, (121), 4 states have call successors, (32), 6 states have call predecessors, (32), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 200 [2024-11-06 23:34:23,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:34:23,563 INFO L225 Difference]: With dead ends: 1463 [2024-11-06 23:34:23,563 INFO L226 Difference]: Without dead ends: 840 [2024-11-06 23:34:23,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=121, Invalid=479, Unknown=0, NotChecked=0, Total=600 [2024-11-06 23:34:23,566 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 1821 mSDsluCounter, 2546 mSDsCounter, 0 mSdLazyCounter, 6717 mSolverCounterSat, 766 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1822 SdHoareTripleChecker+Valid, 2831 SdHoareTripleChecker+Invalid, 7483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 766 IncrementalHoareTripleChecker+Valid, 6717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-06 23:34:23,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1822 Valid, 2831 Invalid, 7483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [766 Valid, 6717 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-06 23:34:23,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2024-11-06 23:34:23,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 705. [2024-11-06 23:34:23,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 532 states have (on average 1.4586466165413534) internal successors, (776), 547 states have internal predecessors, (776), 123 states have call successors, (123), 45 states have call predecessors, (123), 49 states have return successors, (132), 120 states have call predecessors, (132), 120 states have call successors, (132) [2024-11-06 23:34:23,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 1031 transitions. [2024-11-06 23:34:23,622 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 1031 transitions. Word has length 200 [2024-11-06 23:34:23,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:34:23,623 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 1031 transitions. [2024-11-06 23:34:23,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 11.0) internal successors, (121), 8 states have internal predecessors, (121), 4 states have call successors, (32), 6 states have call predecessors, (32), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-06 23:34:23,623 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1031 transitions. [2024-11-06 23:34:23,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-06 23:34:23,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:34:23,626 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:34:23,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-06 23:34:23,626 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:34:23,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:34:23,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1583082284, now seen corresponding path program 1 times [2024-11-06 23:34:23,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:34:23,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837215325] [2024-11-06 23:34:23,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:23,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:34:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:34:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:34:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:34:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:34:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:34:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:34:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:34:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:34:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:34:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:34:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:34:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:34:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:34:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:34:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-06 23:34:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-06 23:34:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-06 23:34:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-06 23:34:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-06 23:34:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-06 23:34:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-06 23:34:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-06 23:34:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:23,925 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-06 23:34:23,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:34:23,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837215325] [2024-11-06 23:34:23,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837215325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:34:23,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:34:23,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-06 23:34:23,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455506777] [2024-11-06 23:34:23,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:34:23,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-06 23:34:23,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:34:23,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-06 23:34:23,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:34:23,926 INFO L87 Difference]: Start difference. First operand 705 states and 1031 transitions. Second operand has 12 states, 10 states have (on average 11.8) internal successors, (118), 8 states have internal predecessors, (118), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-06 23:34:26,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:34:26,787 INFO L93 Difference]: Finished difference Result 1462 states and 2184 transitions. [2024-11-06 23:34:26,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-06 23:34:26,788 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 11.8) internal successors, (118), 8 states have internal predecessors, (118), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) Word has length 200 [2024-11-06 23:34:26,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:34:26,792 INFO L225 Difference]: With dead ends: 1462 [2024-11-06 23:34:26,792 INFO L226 Difference]: Without dead ends: 836 [2024-11-06 23:34:26,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2024-11-06 23:34:26,794 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 1842 mSDsluCounter, 2289 mSDsCounter, 0 mSdLazyCounter, 5723 mSolverCounterSat, 791 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1844 SdHoareTripleChecker+Valid, 2574 SdHoareTripleChecker+Invalid, 6514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 791 IncrementalHoareTripleChecker+Valid, 5723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-06 23:34:26,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1844 Valid, 2574 Invalid, 6514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [791 Valid, 5723 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-06 23:34:26,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2024-11-06 23:34:26,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 700. [2024-11-06 23:34:26,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 530 states have (on average 1.460377358490566) internal successors, (774), 544 states have internal predecessors, (774), 122 states have call successors, (122), 45 states have call predecessors, (122), 47 states have return successors, (126), 118 states have call predecessors, (126), 119 states have call successors, (126) [2024-11-06 23:34:26,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 1022 transitions. [2024-11-06 23:34:26,866 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 1022 transitions. Word has length 200 [2024-11-06 23:34:26,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:34:26,867 INFO L471 AbstractCegarLoop]: Abstraction has 700 states and 1022 transitions. [2024-11-06 23:34:26,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 11.8) internal successors, (118), 8 states have internal predecessors, (118), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-06 23:34:26,867 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1022 transitions. [2024-11-06 23:34:26,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-06 23:34:26,870 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:34:26,870 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:34:26,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-06 23:34:26,870 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:34:26,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:34:26,872 INFO L85 PathProgramCache]: Analyzing trace with hash -476698016, now seen corresponding path program 1 times [2024-11-06 23:34:26,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:34:26,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20491350] [2024-11-06 23:34:26,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:26,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:34:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:34:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:34:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:34:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:34:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:34:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:34:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:34:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:34:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:34:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:34:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:34:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:34:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:34:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:34:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-06 23:34:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-06 23:34:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-06 23:34:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-06 23:34:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-06 23:34:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-06 23:34:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-06 23:34:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-06 23:34:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-06 23:34:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-06 23:34:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-06 23:34:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:27,161 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-06 23:34:27,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:34:27,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20491350] [2024-11-06 23:34:27,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20491350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:34:27,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:34:27,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-06 23:34:27,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060054975] [2024-11-06 23:34:27,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:34:27,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-06 23:34:27,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:34:27,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-06 23:34:27,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:34:27,164 INFO L87 Difference]: Start difference. First operand 700 states and 1022 transitions. Second operand has 13 states, 11 states have (on average 11.545454545454545) internal successors, (127), 8 states have internal predecessors, (127), 4 states have call successors, (35), 6 states have call predecessors, (35), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-06 23:34:30,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:34:30,187 INFO L93 Difference]: Finished difference Result 1461 states and 2185 transitions. [2024-11-06 23:34:30,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-06 23:34:30,187 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 11.545454545454545) internal successors, (127), 8 states have internal predecessors, (127), 4 states have call successors, (35), 6 states have call predecessors, (35), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 222 [2024-11-06 23:34:30,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:34:30,192 INFO L225 Difference]: With dead ends: 1461 [2024-11-06 23:34:30,192 INFO L226 Difference]: Without dead ends: 838 [2024-11-06 23:34:30,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=121, Invalid=479, Unknown=0, NotChecked=0, Total=600 [2024-11-06 23:34:30,194 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 1823 mSDsluCounter, 2536 mSDsCounter, 0 mSdLazyCounter, 6489 mSolverCounterSat, 772 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1824 SdHoareTripleChecker+Valid, 2821 SdHoareTripleChecker+Invalid, 7261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 772 IncrementalHoareTripleChecker+Valid, 6489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-06 23:34:30,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1824 Valid, 2821 Invalid, 7261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [772 Valid, 6489 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-06 23:34:30,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-11-06 23:34:30,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 702. [2024-11-06 23:34:30,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 531 states have (on average 1.4595103578154425) internal successors, (775), 546 states have internal predecessors, (775), 122 states have call successors, (122), 45 states have call predecessors, (122), 48 states have return successors, (131), 118 states have call predecessors, (131), 119 states have call successors, (131) [2024-11-06 23:34:30,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1028 transitions. [2024-11-06 23:34:30,265 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1028 transitions. Word has length 222 [2024-11-06 23:34:30,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:34:30,265 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 1028 transitions. [2024-11-06 23:34:30,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 11.545454545454545) internal successors, (127), 8 states have internal predecessors, (127), 4 states have call successors, (35), 6 states have call predecessors, (35), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-06 23:34:30,265 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1028 transitions. [2024-11-06 23:34:30,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-06 23:34:30,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:34:30,268 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:34:30,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-06 23:34:30,269 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:34:30,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:34:30,269 INFO L85 PathProgramCache]: Analyzing trace with hash -667579141, now seen corresponding path program 1 times [2024-11-06 23:34:30,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:34:30,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429337239] [2024-11-06 23:34:30,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:30,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:34:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:34:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:34:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:34:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:34:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:34:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:34:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:34:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:34:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:34:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:34:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:34:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:34:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:34:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:34:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-06 23:34:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-06 23:34:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-06 23:34:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-06 23:34:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-06 23:34:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-06 23:34:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-06 23:34:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-06 23:34:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,448 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-06 23:34:30,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:34:30,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429337239] [2024-11-06 23:34:30,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429337239] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:34:30,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113576360] [2024-11-06 23:34:30,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:30,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:34:30,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:34:30,451 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 23:34:30,452 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 23:34:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:30,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 1540 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 23:34:30,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:34:30,874 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-06 23:34:30,874 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 23:34:31,011 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-06 23:34:31,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113576360] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 23:34:31,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-06 23:34:31,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-11-06 23:34:31,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498199150] [2024-11-06 23:34:31,012 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-06 23:34:31,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-06 23:34:31,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:34:31,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-06 23:34:31,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-06 23:34:31,013 INFO L87 Difference]: Start difference. First operand 702 states and 1028 transitions. Second operand has 11 states, 11 states have (on average 14.818181818181818) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (52), 6 states have call predecessors, (52), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-06 23:34:33,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:34:33,125 INFO L93 Difference]: Finished difference Result 1735 states and 2668 transitions. [2024-11-06 23:34:33,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-06 23:34:33,126 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.818181818181818) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (52), 6 states have call predecessors, (52), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 202 [2024-11-06 23:34:33,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:34:33,134 INFO L225 Difference]: With dead ends: 1735 [2024-11-06 23:34:33,134 INFO L226 Difference]: Without dead ends: 1401 [2024-11-06 23:34:33,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 451 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-06 23:34:33,136 INFO L432 NwaCegarLoop]: 343 mSDtfsCounter, 2728 mSDsluCounter, 1805 mSDsCounter, 0 mSdLazyCounter, 2794 mSolverCounterSat, 975 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2785 SdHoareTripleChecker+Valid, 2148 SdHoareTripleChecker+Invalid, 3769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 975 IncrementalHoareTripleChecker+Valid, 2794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-06 23:34:33,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2785 Valid, 2148 Invalid, 3769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [975 Valid, 2794 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-06 23:34:33,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1401 states. [2024-11-06 23:34:33,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1401 to 1241. [2024-11-06 23:34:33,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1241 states, 991 states have (on average 1.5126135216952574) internal successors, (1499), 1006 states have internal predecessors, (1499), 201 states have call successors, (201), 45 states have call predecessors, (201), 48 states have return successors, (220), 197 states have call predecessors, (220), 198 states have call successors, (220) [2024-11-06 23:34:33,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1920 transitions. [2024-11-06 23:34:33,215 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1920 transitions. Word has length 202 [2024-11-06 23:34:33,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:34:33,215 INFO L471 AbstractCegarLoop]: Abstraction has 1241 states and 1920 transitions. [2024-11-06 23:34:33,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.818181818181818) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (52), 6 states have call predecessors, (52), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-06 23:34:33,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1920 transitions. [2024-11-06 23:34:33,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-06 23:34:33,221 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:34:33,221 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:34:33,242 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 23:34:33,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-06 23:34:33,422 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:34:33,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:34:33,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1653160340, now seen corresponding path program 1 times [2024-11-06 23:34:33,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:34:33,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350990255] [2024-11-06 23:34:33,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:33,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:34:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:34:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:34:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:34:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:34:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:34:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:34:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:34:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:34:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:34:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:34:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:34:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:34:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:34:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:34:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-06 23:34:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-06 23:34:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-06 23:34:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-06 23:34:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-06 23:34:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-06 23:34:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-06 23:34:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-06 23:34:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-06 23:34:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-06 23:34:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-06 23:34:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:33,573 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-06 23:34:33,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:34:33,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350990255] [2024-11-06 23:34:33,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350990255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:34:33,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:34:33,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:34:33,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912006538] [2024-11-06 23:34:33,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:34:33,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:34:33,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:34:33,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:34:33,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:34:33,576 INFO L87 Difference]: Start difference. First operand 1241 states and 1920 transitions. Second operand has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (35), 6 states have call predecessors, (35), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-06 23:34:35,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:34:35,254 INFO L93 Difference]: Finished difference Result 2992 states and 4752 transitions. [2024-11-06 23:34:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:34:35,255 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (35), 6 states have call predecessors, (35), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 227 [2024-11-06 23:34:35,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:34:35,269 INFO L225 Difference]: With dead ends: 2992 [2024-11-06 23:34:35,269 INFO L226 Difference]: Without dead ends: 1886 [2024-11-06 23:34:35,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 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 23:34:35,274 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 2001 mSDsluCounter, 1097 mSDsCounter, 0 mSdLazyCounter, 1896 mSolverCounterSat, 843 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2019 SdHoareTripleChecker+Valid, 1398 SdHoareTripleChecker+Invalid, 2739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 843 IncrementalHoareTripleChecker+Valid, 1896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-06 23:34:35,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2019 Valid, 1398 Invalid, 2739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [843 Valid, 1896 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-06 23:34:35,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1886 states. [2024-11-06 23:34:35,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1886 to 1742. [2024-11-06 23:34:35,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1413 states have (on average 1.5251238499646143) internal successors, (2155), 1428 states have internal predecessors, (2155), 280 states have call successors, (280), 45 states have call predecessors, (280), 48 states have return successors, (309), 276 states have call predecessors, (309), 277 states have call successors, (309) [2024-11-06 23:34:35,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2744 transitions. [2024-11-06 23:34:35,383 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2744 transitions. Word has length 227 [2024-11-06 23:34:35,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:34:35,383 INFO L471 AbstractCegarLoop]: Abstraction has 1742 states and 2744 transitions. [2024-11-06 23:34:35,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (35), 6 states have call predecessors, (35), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-06 23:34:35,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2744 transitions. [2024-11-06 23:34:35,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-06 23:34:35,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:34:35,391 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:34:35,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-06 23:34:35,391 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:34:35,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:34:35,392 INFO L85 PathProgramCache]: Analyzing trace with hash -181695174, now seen corresponding path program 1 times [2024-11-06 23:34:35,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:34:35,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927770589] [2024-11-06 23:34:35,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:35,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:34:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:34:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:34:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:34:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:34:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:34:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:34:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:34:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:34:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:34:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:34:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:34:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:34:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:34:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:34:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-06 23:34:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-06 23:34:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-06 23:34:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-06 23:34:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-06 23:34:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-06 23:34:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-06 23:34:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-06 23:34:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:35,522 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-06 23:34:35,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:34:35,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927770589] [2024-11-06 23:34:35,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927770589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:34:35,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:34:35,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:34:35,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453175387] [2024-11-06 23:34:35,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:34:35,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:34:35,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:34:35,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:34:35,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:34:35,525 INFO L87 Difference]: Start difference. First operand 1742 states and 2744 transitions. Second operand has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-06 23:34:37,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:34:37,268 INFO L93 Difference]: Finished difference Result 4239 states and 6809 transitions. [2024-11-06 23:34:37,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:34:37,269 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 207 [2024-11-06 23:34:37,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:34:37,283 INFO L225 Difference]: With dead ends: 4239 [2024-11-06 23:34:37,283 INFO L226 Difference]: Without dead ends: 2695 [2024-11-06 23:34:37,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 52 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 23:34:37,288 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 1983 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 1855 mSolverCounterSat, 857 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2001 SdHoareTripleChecker+Valid, 1367 SdHoareTripleChecker+Invalid, 2712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 857 IncrementalHoareTripleChecker+Valid, 1855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-06 23:34:37,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2001 Valid, 1367 Invalid, 2712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [857 Valid, 1855 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-06 23:34:37,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2695 states. [2024-11-06 23:34:37,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2695 to 2551. [2024-11-06 23:34:37,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2551 states, 2103 states have (on average 1.5382786495482643) internal successors, (3235), 2118 states have internal predecessors, (3235), 399 states have call successors, (399), 45 states have call predecessors, (399), 48 states have return successors, (428), 395 states have call predecessors, (428), 396 states have call successors, (428) [2024-11-06 23:34:37,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2551 states and 4062 transitions. [2024-11-06 23:34:37,428 INFO L78 Accepts]: Start accepts. Automaton has 2551 states and 4062 transitions. Word has length 207 [2024-11-06 23:34:37,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:34:37,429 INFO L471 AbstractCegarLoop]: Abstraction has 2551 states and 4062 transitions. [2024-11-06 23:34:37,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-06 23:34:37,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2551 states and 4062 transitions. [2024-11-06 23:34:37,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-06 23:34:37,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:34:37,440 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:34:37,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-06 23:34:37,440 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:34:37,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:34:37,440 INFO L85 PathProgramCache]: Analyzing trace with hash 503769910, now seen corresponding path program 1 times [2024-11-06 23:34:37,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:34:37,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860893678] [2024-11-06 23:34:37,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:37,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:34:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:34:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:34:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:34:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:34:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:34:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:34:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:34:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:34:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:34:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:34:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:34:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:34:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:34:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:34:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-06 23:34:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-06 23:34:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-06 23:34:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-06 23:34:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-06 23:34:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-06 23:34:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-06 23:34:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-06 23:34:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:37,575 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-06 23:34:37,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:34:37,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860893678] [2024-11-06 23:34:37,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860893678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:34:37,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:34:37,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:34:37,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308057902] [2024-11-06 23:34:37,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:34:37,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:34:37,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:34:37,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:34:37,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:34:37,579 INFO L87 Difference]: Start difference. First operand 2551 states and 4062 transitions. Second operand has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-06 23:34:39,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:34:39,434 INFO L93 Difference]: Finished difference Result 6138 states and 9966 transitions. [2024-11-06 23:34:39,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:34:39,436 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 208 [2024-11-06 23:34:39,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:34:39,456 INFO L225 Difference]: With dead ends: 6138 [2024-11-06 23:34:39,457 INFO L226 Difference]: Without dead ends: 3942 [2024-11-06 23:34:39,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 52 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 23:34:39,465 INFO L432 NwaCegarLoop]: 286 mSDtfsCounter, 1979 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 1868 mSolverCounterSat, 836 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1997 SdHoareTripleChecker+Valid, 1357 SdHoareTripleChecker+Invalid, 2704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 836 IncrementalHoareTripleChecker+Valid, 1868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-06 23:34:39,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1997 Valid, 1357 Invalid, 2704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [836 Valid, 1868 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-06 23:34:39,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3942 states. [2024-11-06 23:34:39,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3942 to 3798. [2024-11-06 23:34:39,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3798 states, 3188 states have (on average 1.5492471769134253) internal successors, (4939), 3203 states have internal predecessors, (4939), 561 states have call successors, (561), 45 states have call predecessors, (561), 48 states have return successors, (606), 557 states have call predecessors, (606), 558 states have call successors, (606) [2024-11-06 23:34:39,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3798 states to 3798 states and 6106 transitions. [2024-11-06 23:34:39,641 INFO L78 Accepts]: Start accepts. Automaton has 3798 states and 6106 transitions. Word has length 208 [2024-11-06 23:34:39,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:34:39,643 INFO L471 AbstractCegarLoop]: Abstraction has 3798 states and 6106 transitions. [2024-11-06 23:34:39,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-06 23:34:39,644 INFO L276 IsEmpty]: Start isEmpty. Operand 3798 states and 6106 transitions. [2024-11-06 23:34:39,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-06 23:34:39,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:34:39,657 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:34:39,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-06 23:34:39,657 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:34:39,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:34:39,657 INFO L85 PathProgramCache]: Analyzing trace with hash 627498834, now seen corresponding path program 1 times [2024-11-06 23:34:39,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:34:39,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993010354] [2024-11-06 23:34:39,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:39,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:34:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:34:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:34:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:34:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:34:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:34:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:34:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:34:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:34:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:34:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:34:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:34:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:34:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:34:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:34:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-06 23:34:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-06 23:34:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-06 23:34:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-06 23:34:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-06 23:34:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-06 23:34:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-06 23:34:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-06 23:34:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:39,810 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-06 23:34:39,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:34:39,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993010354] [2024-11-06 23:34:39,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993010354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:34:39,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:34:39,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:34:39,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275644025] [2024-11-06 23:34:39,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:34:39,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:34:39,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:34:39,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:34:39,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:34:39,811 INFO L87 Difference]: Start difference. First operand 3798 states and 6106 transitions. Second operand has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-06 23:34:41,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:34:41,560 INFO L93 Difference]: Finished difference Result 9140 states and 14975 transitions. [2024-11-06 23:34:41,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:34:41,560 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 209 [2024-11-06 23:34:41,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:34:41,587 INFO L225 Difference]: With dead ends: 9140 [2024-11-06 23:34:41,588 INFO L226 Difference]: Without dead ends: 5956 [2024-11-06 23:34:41,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 52 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 23:34:41,597 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 1969 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 1895 mSolverCounterSat, 825 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1988 SdHoareTripleChecker+Valid, 1356 SdHoareTripleChecker+Invalid, 2720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 825 IncrementalHoareTripleChecker+Valid, 1895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-06 23:34:41,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1988 Valid, 1356 Invalid, 2720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [825 Valid, 1895 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-06 23:34:41,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5956 states. [2024-11-06 23:34:41,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5956 to 5812. [2024-11-06 23:34:41,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5812 states, 4957 states have (on average 1.5584022594311076) internal successors, (7725), 4972 states have internal predecessors, (7725), 806 states have call successors, (806), 45 states have call predecessors, (806), 48 states have return successors, (877), 802 states have call predecessors, (877), 803 states have call successors, (877) [2024-11-06 23:34:41,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5812 states to 5812 states and 9408 transitions. [2024-11-06 23:34:41,848 INFO L78 Accepts]: Start accepts. Automaton has 5812 states and 9408 transitions. Word has length 209 [2024-11-06 23:34:41,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:34:41,849 INFO L471 AbstractCegarLoop]: Abstraction has 5812 states and 9408 transitions. [2024-11-06 23:34:41,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-06 23:34:41,850 INFO L276 IsEmpty]: Start isEmpty. Operand 5812 states and 9408 transitions. [2024-11-06 23:34:41,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-06 23:34:41,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:34:41,865 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:34:41,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-06 23:34:41,865 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:34:41,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:34:41,866 INFO L85 PathProgramCache]: Analyzing trace with hash -997635244, now seen corresponding path program 1 times [2024-11-06 23:34:41,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:34:41,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002234234] [2024-11-06 23:34:41,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:41,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:34:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:41,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:34:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:41,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:34:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:41,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:34:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:41,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:34:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:41,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:34:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:41,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:34:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:41,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:34:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:41,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:34:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:41,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:34:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:41,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:41,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:34:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:41,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:34:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:41,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:41,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:34:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:41,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:34:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:41,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:41,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:34:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:41,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-06 23:34:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:41,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-06 23:34:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:42,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-06 23:34:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:42,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-06 23:34:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:42,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-06 23:34:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:42,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-06 23:34:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:42,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-06 23:34:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:42,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-06 23:34:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:42,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-06 23:34:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:42,015 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-06 23:34:42,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:34:42,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002234234] [2024-11-06 23:34:42,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002234234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:34:42,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:34:42,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:34:42,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935682719] [2024-11-06 23:34:42,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:34:42,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:34:42,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:34:42,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:34:42,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:34:42,017 INFO L87 Difference]: Start difference. First operand 5812 states and 9408 transitions. Second operand has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-06 23:34:43,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:34:43,899 INFO L93 Difference]: Finished difference Result 14133 states and 23273 transitions. [2024-11-06 23:34:43,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:34:43,900 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 217 [2024-11-06 23:34:43,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:34:43,933 INFO L225 Difference]: With dead ends: 14133 [2024-11-06 23:34:43,934 INFO L226 Difference]: Without dead ends: 9331 [2024-11-06 23:34:43,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 54 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 23:34:43,946 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 1970 mSDsluCounter, 1100 mSDsCounter, 0 mSdLazyCounter, 1904 mSolverCounterSat, 851 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 2755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 851 IncrementalHoareTripleChecker+Valid, 1904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-06 23:34:43,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 1400 Invalid, 2755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [851 Valid, 1904 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-06 23:34:43,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9331 states. [2024-11-06 23:34:44,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9331 to 9187. [2024-11-06 23:34:44,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9187 states, 7839 states have (on average 1.5561933920142876) internal successors, (12199), 7854 states have internal predecessors, (12199), 1299 states have call successors, (1299), 45 states have call predecessors, (1299), 48 states have return successors, (1414), 1295 states have call predecessors, (1414), 1296 states have call successors, (1414) [2024-11-06 23:34:44,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9187 states to 9187 states and 14912 transitions. [2024-11-06 23:34:44,283 INFO L78 Accepts]: Start accepts. Automaton has 9187 states and 14912 transitions. Word has length 217 [2024-11-06 23:34:44,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:34:44,283 INFO L471 AbstractCegarLoop]: Abstraction has 9187 states and 14912 transitions. [2024-11-06 23:34:44,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-06 23:34:44,284 INFO L276 IsEmpty]: Start isEmpty. Operand 9187 states and 14912 transitions. [2024-11-06 23:34:44,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-06 23:34:44,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:34:44,306 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:34:44,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-06 23:34:44,307 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:34:44,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:34:44,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1491428121, now seen corresponding path program 1 times [2024-11-06 23:34:44,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:34:44,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071489980] [2024-11-06 23:34:44,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:44,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:34:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:34:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:34:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:34:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:34:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:34:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:34:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:34:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:34:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:34:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:34:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:34:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:44,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:34:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:34:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:34:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-06 23:34:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-06 23:34:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-06 23:34:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-06 23:34:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-06 23:34:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-06 23:34:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-06 23:34:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-06 23:34:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:44,433 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-06 23:34:44,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:34:44,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071489980] [2024-11-06 23:34:44,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071489980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:34:44,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:34:44,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:34:44,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145023784] [2024-11-06 23:34:44,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:34:44,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:34:44,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:34:44,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:34:44,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:34:44,435 INFO L87 Difference]: Start difference. First operand 9187 states and 14912 transitions. Second operand has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-06 23:34:46,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:34:46,884 INFO L93 Difference]: Finished difference Result 23086 states and 38149 transitions. [2024-11-06 23:34:46,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:34:46,885 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 211 [2024-11-06 23:34:46,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:34:46,950 INFO L225 Difference]: With dead ends: 23086 [2024-11-06 23:34:46,951 INFO L226 Difference]: Without dead ends: 15405 [2024-11-06 23:34:46,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 52 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 23:34:46,978 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 1966 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 1918 mSolverCounterSat, 833 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1984 SdHoareTripleChecker+Valid, 1366 SdHoareTripleChecker+Invalid, 2751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 833 IncrementalHoareTripleChecker+Valid, 1918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-06 23:34:46,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1984 Valid, 1366 Invalid, 2751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [833 Valid, 1918 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-06 23:34:46,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15405 states. [2024-11-06 23:34:47,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15405 to 15261. [2024-11-06 23:34:47,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15261 states, 13091 states have (on average 1.5622183179283478) internal successors, (20451), 13106 states have internal predecessors, (20451), 2121 states have call successors, (2121), 45 states have call predecessors, (2121), 48 states have return successors, (2314), 2117 states have call predecessors, (2314), 2118 states have call successors, (2314) [2024-11-06 23:34:47,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15261 states to 15261 states and 24886 transitions. [2024-11-06 23:34:47,725 INFO L78 Accepts]: Start accepts. Automaton has 15261 states and 24886 transitions. Word has length 211 [2024-11-06 23:34:47,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:34:47,726 INFO L471 AbstractCegarLoop]: Abstraction has 15261 states and 24886 transitions. [2024-11-06 23:34:47,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-06 23:34:47,726 INFO L276 IsEmpty]: Start isEmpty. Operand 15261 states and 24886 transitions. [2024-11-06 23:34:47,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-06 23:34:47,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:34:47,755 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:34:47,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-06 23:34:47,755 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:34:47,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:34:47,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1381270682, now seen corresponding path program 1 times [2024-11-06 23:34:47,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:34:47,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691002549] [2024-11-06 23:34:47,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:47,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:34:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:34:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:34:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:34:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:34:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:34:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:34:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:34:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:34:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:34:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:34:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:34:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:34:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:34:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:34:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-06 23:34:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-06 23:34:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-06 23:34:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-06 23:34:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-06 23:34:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-06 23:34:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-06 23:34:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-06 23:34:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:47,878 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-06 23:34:47,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:34:47,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691002549] [2024-11-06 23:34:47,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691002549] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:34:47,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:34:47,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:34:47,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956113389] [2024-11-06 23:34:47,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:34:47,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:34:47,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:34:47,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:34:47,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:34:47,880 INFO L87 Difference]: Start difference. First operand 15261 states and 24886 transitions. Second operand has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-06 23:34:50,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:34:50,056 INFO L93 Difference]: Finished difference Result 36895 states and 60533 transitions. [2024-11-06 23:34:50,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:34:50,057 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 212 [2024-11-06 23:34:50,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:34:50,156 INFO L225 Difference]: With dead ends: 36895 [2024-11-06 23:34:50,156 INFO L226 Difference]: Without dead ends: 24274 [2024-11-06 23:34:50,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 52 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 23:34:50,196 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 1969 mSDsluCounter, 1083 mSDsCounter, 0 mSdLazyCounter, 1892 mSolverCounterSat, 835 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1988 SdHoareTripleChecker+Valid, 1386 SdHoareTripleChecker+Invalid, 2727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 835 IncrementalHoareTripleChecker+Valid, 1892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-06 23:34:50,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1988 Valid, 1386 Invalid, 2727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [835 Valid, 1892 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-06 23:34:50,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24274 states. [2024-11-06 23:34:51,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24274 to 24130. [2024-11-06 23:34:51,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24130 states, 20757 states have (on average 1.5353374765139471) internal successors, (31869), 20772 states have internal predecessors, (31869), 3324 states have call successors, (3324), 45 states have call predecessors, (3324), 48 states have return successors, (3661), 3320 states have call predecessors, (3661), 3321 states have call successors, (3661) [2024-11-06 23:34:51,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24130 states to 24130 states and 38854 transitions. [2024-11-06 23:34:51,312 INFO L78 Accepts]: Start accepts. Automaton has 24130 states and 38854 transitions. Word has length 212 [2024-11-06 23:34:51,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:34:51,313 INFO L471 AbstractCegarLoop]: Abstraction has 24130 states and 38854 transitions. [2024-11-06 23:34:51,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-06 23:34:51,313 INFO L276 IsEmpty]: Start isEmpty. Operand 24130 states and 38854 transitions. [2024-11-06 23:34:51,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-06 23:34:51,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:34:51,354 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:34:51,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-06 23:34:51,355 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:34:51,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:34:51,355 INFO L85 PathProgramCache]: Analyzing trace with hash -532139553, now seen corresponding path program 1 times [2024-11-06 23:34:51,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:34:51,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718886599] [2024-11-06 23:34:51,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:51,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:34:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:34:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:34:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:34:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:34:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:34:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:34:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:34:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:34:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:34:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:34:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:34:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:34:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:34:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:34:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-06 23:34:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-06 23:34:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-06 23:34:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-06 23:34:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-06 23:34:51,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-06 23:34:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-06 23:34:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-06 23:34:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:51,513 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-06 23:34:51,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:34:51,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718886599] [2024-11-06 23:34:51,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718886599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:34:51,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:34:51,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:34:51,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170311171] [2024-11-06 23:34:51,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:34:51,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:34:51,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:34:51,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:34:51,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:34:51,516 INFO L87 Difference]: Start difference. First operand 24130 states and 38854 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-06 23:34:54,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:34:54,211 INFO L93 Difference]: Finished difference Result 63748 states and 104221 transitions. [2024-11-06 23:34:54,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:34:54,212 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 213 [2024-11-06 23:34:54,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:34:54,454 INFO L225 Difference]: With dead ends: 63748 [2024-11-06 23:34:54,455 INFO L226 Difference]: Without dead ends: 43070 [2024-11-06 23:34:54,525 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 52 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 23:34:54,527 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 1996 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 1821 mSolverCounterSat, 863 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2015 SdHoareTripleChecker+Valid, 1358 SdHoareTripleChecker+Invalid, 2684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 863 IncrementalHoareTripleChecker+Valid, 1821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-06 23:34:54,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2015 Valid, 1358 Invalid, 2684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [863 Valid, 1821 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-06 23:34:54,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43070 states. [2024-11-06 23:34:55,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43070 to 42926. [2024-11-06 23:34:55,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42926 states, 37103 states have (on average 1.5354284020160094) internal successors, (56969), 37118 states have internal predecessors, (56969), 5774 states have call successors, (5774), 45 states have call predecessors, (5774), 48 states have return successors, (6385), 5770 states have call predecessors, (6385), 5771 states have call successors, (6385) [2024-11-06 23:34:55,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42926 states to 42926 states and 69128 transitions. [2024-11-06 23:34:55,862 INFO L78 Accepts]: Start accepts. Automaton has 42926 states and 69128 transitions. Word has length 213 [2024-11-06 23:34:55,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:34:55,863 INFO L471 AbstractCegarLoop]: Abstraction has 42926 states and 69128 transitions. [2024-11-06 23:34:55,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-06 23:34:55,863 INFO L276 IsEmpty]: Start isEmpty. Operand 42926 states and 69128 transitions. [2024-11-06 23:34:55,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-06 23:34:55,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:34:55,906 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:34:55,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-06 23:34:55,907 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:34:55,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:34:55,907 INFO L85 PathProgramCache]: Analyzing trace with hash -118523826, now seen corresponding path program 1 times [2024-11-06 23:34:55,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:34:55,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001304154] [2024-11-06 23:34:55,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:34:55,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:34:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:55,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:34:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:55,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:34:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:55,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:34:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:55,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:34:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:55,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:34:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:55,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:34:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:55,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:34:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:55,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:34:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:55,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:34:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:55,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:56,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:34:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:56,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:34:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:56,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:56,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:34:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:56,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:34:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:56,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:34:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:56,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:34:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:56,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-06 23:34:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:56,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-06 23:34:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:56,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-06 23:34:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:56,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-06 23:34:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:56,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-06 23:34:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:56,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-06 23:34:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:56,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-06 23:34:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:56,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-06 23:34:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:56,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-06 23:34:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:34:56,036 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-06 23:34:56,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:34:56,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001304154] [2024-11-06 23:34:56,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001304154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:34:56,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:34:56,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:34:56,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128589300] [2024-11-06 23:34:56,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:34:56,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:34:56,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:34:56,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:34:56,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:34:56,039 INFO L87 Difference]: Start difference. First operand 42926 states and 69128 transitions. Second operand has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-06 23:34:59,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:34:59,677 INFO L93 Difference]: Finished difference Result 116410 states and 190175 transitions. [2024-11-06 23:34:59,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:34:59,678 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 221 [2024-11-06 23:34:59,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:34:59,882 INFO L225 Difference]: With dead ends: 116410 [2024-11-06 23:34:59,882 INFO L226 Difference]: Without dead ends: 78112 [2024-11-06 23:34:59,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 54 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 23:34:59,955 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 1966 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 1854 mSolverCounterSat, 845 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1985 SdHoareTripleChecker+Valid, 1374 SdHoareTripleChecker+Invalid, 2699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 845 IncrementalHoareTripleChecker+Valid, 1854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-06 23:34:59,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1985 Valid, 1374 Invalid, 2699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [845 Valid, 1854 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-06 23:35:00,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78112 states. [2024-11-06 23:35:02,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78112 to 77968. [2024-11-06 23:35:02,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77968 states, 67632 states have (on average 1.5390791341376864) internal successors, (104091), 67647 states have internal predecessors, (104091), 10287 states have call successors, (10287), 45 states have call predecessors, (10287), 48 states have return successors, (11430), 10283 states have call predecessors, (11430), 10284 states have call successors, (11430) [2024-11-06 23:35:02,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77968 states to 77968 states and 125808 transitions. [2024-11-06 23:35:02,376 INFO L78 Accepts]: Start accepts. Automaton has 77968 states and 125808 transitions. Word has length 221 [2024-11-06 23:35:02,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:35:02,376 INFO L471 AbstractCegarLoop]: Abstraction has 77968 states and 125808 transitions. [2024-11-06 23:35:02,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-06 23:35:02,376 INFO L276 IsEmpty]: Start isEmpty. Operand 77968 states and 125808 transitions. [2024-11-06 23:35:02,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-06 23:35:02,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:35:02,450 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:35:02,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-06 23:35:02,450 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:35:02,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:35:02,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1677970361, now seen corresponding path program 1 times [2024-11-06 23:35:02,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:35:02,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757643063] [2024-11-06 23:35:02,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:35:02,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:35:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-06 23:35:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-06 23:35:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-06 23:35:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:35:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-06 23:35:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-06 23:35:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-06 23:35:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:35:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:35:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:35:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:35:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:35:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:35:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:35:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:35:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-06 23:35:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:35:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-06 23:35:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-06 23:35:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-06 23:35:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-06 23:35:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-06 23:35:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-06 23:35:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-06 23:35:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-06 23:35:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:35:02,626 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-06 23:35:02,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:35:02,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757643063] [2024-11-06 23:35:02,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757643063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:35:02,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:35:02,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:35:02,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711324654] [2024-11-06 23:35:02,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:35:02,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:35:02,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:35:02,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:35:02,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:35:02,627 INFO L87 Difference]: Start difference. First operand 77968 states and 125808 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-06 23:35:07,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:35:07,154 INFO L93 Difference]: Finished difference Result 145871 states and 239436 transitions. [2024-11-06 23:35:07,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:35:07,155 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 215 [2024-11-06 23:35:07,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:35:07,616 INFO L225 Difference]: With dead ends: 145871 [2024-11-06 23:35:07,616 INFO L226 Difference]: Without dead ends: 145537 [2024-11-06 23:35:07,666 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 52 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 23:35:07,666 INFO L432 NwaCegarLoop]: 298 mSDtfsCounter, 1975 mSDsluCounter, 1102 mSDsCounter, 0 mSdLazyCounter, 1876 mSolverCounterSat, 851 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1992 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 2727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 851 IncrementalHoareTripleChecker+Valid, 1876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-06 23:35:07,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1992 Valid, 1400 Invalid, 2727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [851 Valid, 1876 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-06 23:35:07,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145537 states.