./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product18.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_spec11_product18.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', '58fd69d2f74506159a7a57598b08a18ff098ebf1233f7e6688a335d4e30dd566'] 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_spec11_product18.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 58fd69d2f74506159a7a57598b08a18ff098ebf1233f7e6688a335d4e30dd566 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-06 23:28:27,179 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 23:28:27,288 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-06 23:28:27,296 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 23:28:27,298 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 23:28:27,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 23:28:27,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 23:28:27,333 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 23:28:27,333 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 23:28:27,334 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 23:28:27,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 23:28:27,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 23:28:27,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 23:28:27,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 23:28:27,335 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 23:28:27,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 23:28:27,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 23:28:27,336 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-06 23:28:27,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-06 23:28:27,336 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-06 23:28:27,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 23:28:27,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 23:28:27,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 23:28:27,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 23:28:27,337 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 23:28:27,337 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-06 23:28:27,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 23:28:27,337 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 23:28:27,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 23:28:27,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 23:28:27,337 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 23:28:27,337 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 23:28:27,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 23:28:27,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 23:28:27,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 23:28:27,338 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 23:28:27,338 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-06 23:28:27,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-06 23:28:27,338 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 23:28:27,338 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 23:28:27,338 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 23:28:27,338 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 23:28:27,338 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 -> 58fd69d2f74506159a7a57598b08a18ff098ebf1233f7e6688a335d4e30dd566 [2024-11-06 23:28:27,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 23:28:27,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 23:28:27,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 23:28:27,687 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 23:28:27,687 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 23:28:27,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product18.cil.c [2024-11-06 23:28:29,008 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 23:28:29,292 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 23:28:29,293 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product18.cil.c [2024-11-06 23:28:29,313 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/45430b72e/58a583dc4be2443899ac662fb2e2530b/FLAGe2d7d7584 [2024-11-06 23:28:29,323 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/45430b72e/58a583dc4be2443899ac662fb2e2530b [2024-11-06 23:28:29,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 23:28:29,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-06 23:28:29,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 23:28:29,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 23:28:29,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 23:28:29,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:28:29" (1/1) ... [2024-11-06 23:28:29,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@444f3aaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:29, skipping insertion in model container [2024-11-06 23:28:29,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:28:29" (1/1) ... [2024-11-06 23:28:29,383 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 23:28:29,858 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_spec11_product18.cil.c[57905,57918] [2024-11-06 23:28:29,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 23:28:29,904 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 23:28:29,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [48] [2024-11-06 23:28:29,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [167] [2024-11-06 23:28:29,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [392] [2024-11-06 23:28:29,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [409] [2024-11-06 23:28:29,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [447] [2024-11-06 23:28:29,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [851] [2024-11-06 23:28:29,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1931] [2024-11-06 23:28:29,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2297] [2024-11-06 23:28:29,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2591] [2024-11-06 23:28:29,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptAutoResponder_spec.i","") [2600] [2024-11-06 23:28:29,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2619] [2024-11-06 23:28:29,998 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_spec11_product18.cil.c[57905,57918] [2024-11-06 23:28:30,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 23:28:30,061 INFO L204 MainTranslator]: Completed translation [2024-11-06 23:28:30,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:30 WrapperNode [2024-11-06 23:28:30,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 23:28:30,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 23:28:30,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 23:28:30,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 23:28:30,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:30" (1/1) ... [2024-11-06 23:28:30,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:30" (1/1) ... [2024-11-06 23:28:30,142 INFO L138 Inliner]: procedures = 127, calls = 184, calls flagged for inlining = 59, calls inlined = 50, statements flattened = 911 [2024-11-06 23:28:30,142 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 23:28:30,143 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 23:28:30,143 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 23:28:30,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 23:28:30,153 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:30" (1/1) ... [2024-11-06 23:28:30,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:30" (1/1) ... [2024-11-06 23:28:30,162 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:30" (1/1) ... [2024-11-06 23:28:30,188 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 23:28:30,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:30" (1/1) ... [2024-11-06 23:28:30,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:30" (1/1) ... [2024-11-06 23:28:30,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:30" (1/1) ... [2024-11-06 23:28:30,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:30" (1/1) ... [2024-11-06 23:28:30,230 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:30" (1/1) ... [2024-11-06 23:28:30,237 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:30" (1/1) ... [2024-11-06 23:28:30,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 23:28:30,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 23:28:30,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 23:28:30,247 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 23:28:30,248 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:30" (1/1) ... [2024-11-06 23:28:30,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 23:28:30,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:28:30,281 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 23:28:30,284 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 23:28:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-06 23:28:30,306 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-06 23:28:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-06 23:28:30,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-06 23:28:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-06 23:28:30,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-06 23:28:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-06 23:28:30,307 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-06 23:28:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-06 23:28:30,307 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-06 23:28:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-06 23:28:30,307 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-06 23:28:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-06 23:28:30,307 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-06 23:28:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-06 23:28:30,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-06 23:28:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 23:28:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-06 23:28:30,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-06 23:28:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-06 23:28:30,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-06 23:28:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-06 23:28:30,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-06 23:28:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-06 23:28:30,308 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-06 23:28:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-06 23:28:30,308 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-06 23:28:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-06 23:28:30,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-06 23:28:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-06 23:28:30,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-06 23:28:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-06 23:28:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-06 23:28:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-06 23:28:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-06 23:28:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-06 23:28:30,310 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-06 23:28:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 23:28:30,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 23:28:30,504 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 23:28:30,506 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 23:28:31,311 INFO L? ?]: Removed 396 outVars from TransFormulas that were not future-live. [2024-11-06 23:28:31,311 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 23:28:31,331 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 23:28:31,334 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 23:28:31,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:28:31 BoogieIcfgContainer [2024-11-06 23:28:31,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 23:28:31,336 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 23:28:31,336 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 23:28:31,340 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 23:28:31,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:28:29" (1/3) ... [2024-11-06 23:28:31,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@676e08de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:28:31, skipping insertion in model container [2024-11-06 23:28:31,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:30" (2/3) ... [2024-11-06 23:28:31,342 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@676e08de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:28:31, skipping insertion in model container [2024-11-06 23:28:31,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:28:31" (3/3) ... [2024-11-06 23:28:31,343 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec11_product18.cil.c [2024-11-06 23:28:31,355 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 23:28:31,356 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 23:28:31,413 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 23:28:31,437 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;@7a3801e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 23:28:31,437 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 23:28:31,443 INFO L276 IsEmpty]: Start isEmpty. Operand has 284 states, 228 states have (on average 1.5482456140350878) internal successors, (353), 230 states have internal predecessors, (353), 38 states have call successors, (38), 16 states have call predecessors, (38), 16 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-06 23:28:31,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-06 23:28:31,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:31,457 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:28:31,458 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:31,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:31,462 INFO L85 PathProgramCache]: Analyzing trace with hash -420694025, now seen corresponding path program 1 times [2024-11-06 23:28:31,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:31,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141165505] [2024-11-06 23:28:31,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:31,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:32,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:32,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:32,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:32,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-06 23:28:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:32,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-06 23:28:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:32,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-06 23:28:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:32,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-06 23:28:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:32,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-06 23:28:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:32,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:28:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:32,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-06 23:28:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:32,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-06 23:28:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:32,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-06 23:28:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:32,283 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-06 23:28:32,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:32,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141165505] [2024-11-06 23:28:32,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141165505] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:28:32,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350493796] [2024-11-06 23:28:32,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:32,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:28:32,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:28:32,289 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 23:28:32,291 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 23:28:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:32,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 23:28:32,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:28:32,682 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-06 23:28:32,684 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:28:32,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350493796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:32,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:28:32,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-06 23:28:32,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746384116] [2024-11-06 23:28:32,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:32,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 23:28:32,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:32,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 23:28:32,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-06 23:28:32,714 INFO L87 Difference]: Start difference. First operand has 284 states, 228 states have (on average 1.5482456140350878) internal successors, (353), 230 states have internal predecessors, (353), 38 states have call successors, (38), 16 states have call predecessors, (38), 16 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:28:32,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:32,757 INFO L93 Difference]: Finished difference Result 414 states and 612 transitions. [2024-11-06 23:28:32,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 23:28:32,759 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 98 [2024-11-06 23:28:32,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:32,768 INFO L225 Difference]: With dead ends: 414 [2024-11-06 23:28:32,768 INFO L226 Difference]: Without dead ends: 277 [2024-11-06 23:28:32,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-06 23:28:32,773 INFO L432 NwaCegarLoop]: 425 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 23:28:32,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:28:32,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-06 23:28:32,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2024-11-06 23:28:32,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 222 states have (on average 1.5405405405405406) internal successors, (342), 223 states have internal predecessors, (342), 38 states have call successors, (38), 16 states have call predecessors, (38), 16 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-06 23:28:32,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 417 transitions. [2024-11-06 23:28:32,842 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 417 transitions. Word has length 98 [2024-11-06 23:28:32,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:32,845 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 417 transitions. [2024-11-06 23:28:32,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:28:32,846 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 417 transitions. [2024-11-06 23:28:32,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-06 23:28:32,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:32,855 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:28:32,874 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 23:28:33,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-06 23:28:33,060 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:33,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:33,060 INFO L85 PathProgramCache]: Analyzing trace with hash -2127493050, now seen corresponding path program 1 times [2024-11-06 23:28:33,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:33,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070443089] [2024-11-06 23:28:33,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:33,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-06 23:28:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-06 23:28:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-06 23:28:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-06 23:28:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-06 23:28:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-06 23:28:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-06 23:28:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-06 23:28:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-06 23:28:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,405 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-06 23:28:33,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:33,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070443089] [2024-11-06 23:28:33,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070443089] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:28:33,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382770638] [2024-11-06 23:28:33,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:33,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:28:33,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:28:33,412 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 23:28:33,413 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 23:28:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:33,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 1005 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 23:28:33,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:28:33,770 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-06 23:28:33,770 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:28:33,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382770638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:33,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:28:33,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-06 23:28:33,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203910379] [2024-11-06 23:28:33,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:33,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 23:28:33,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:33,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 23:28:33,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-06 23:28:33,779 INFO L87 Difference]: Start difference. First operand 277 states and 417 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:28:33,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:33,817 INFO L93 Difference]: Finished difference Result 404 states and 593 transitions. [2024-11-06 23:28:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 23:28:33,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 99 [2024-11-06 23:28:33,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:33,822 INFO L225 Difference]: With dead ends: 404 [2024-11-06 23:28:33,822 INFO L226 Difference]: Without dead ends: 280 [2024-11-06 23:28:33,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-06 23:28:33,824 INFO L432 NwaCegarLoop]: 415 mSDtfsCounter, 1 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 828 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 23:28:33,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 828 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:28:33,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-06 23:28:33,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 279. [2024-11-06 23:28:33,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 224 states have (on average 1.5357142857142858) internal successors, (344), 225 states have internal predecessors, (344), 38 states have call successors, (38), 16 states have call predecessors, (38), 16 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-06 23:28:33,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 419 transitions. [2024-11-06 23:28:33,855 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 419 transitions. Word has length 99 [2024-11-06 23:28:33,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:33,855 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 419 transitions. [2024-11-06 23:28:33,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:28:33,856 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 419 transitions. [2024-11-06 23:28:33,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-06 23:28:33,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:33,858 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:28:33,873 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 23:28:34,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:28:34,059 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:34,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:34,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1018330324, now seen corresponding path program 1 times [2024-11-06 23:28:34,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:34,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665762630] [2024-11-06 23:28:34,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:34,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:34,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:34,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:34,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:34,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-06 23:28:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:34,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-06 23:28:34,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:34,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-06 23:28:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:34,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-06 23:28:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:34,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-06 23:28:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:34,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-06 23:28:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:34,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-06 23:28:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:34,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-06 23:28:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:34,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-06 23:28:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:34,417 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-06 23:28:34,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:34,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665762630] [2024-11-06 23:28:34,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665762630] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:28:34,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115035893] [2024-11-06 23:28:34,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:34,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:28:34,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:28:34,422 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 23:28:34,424 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 23:28:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:34,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 23:28:34,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:28:34,782 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-06 23:28:34,785 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:28:34,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115035893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:34,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:28:34,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-06 23:28:34,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428657039] [2024-11-06 23:28:34,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:34,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 23:28:34,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:34,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 23:28:34,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-06 23:28:34,787 INFO L87 Difference]: Start difference. First operand 279 states and 419 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:28:34,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:34,824 INFO L93 Difference]: Finished difference Result 588 states and 897 transitions. [2024-11-06 23:28:34,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 23:28:34,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 108 [2024-11-06 23:28:34,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:34,828 INFO L225 Difference]: With dead ends: 588 [2024-11-06 23:28:34,831 INFO L226 Difference]: Without dead ends: 336 [2024-11-06 23:28:34,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-06 23:28:34,835 INFO L432 NwaCegarLoop]: 430 mSDtfsCounter, 107 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 800 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 23:28:34,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 800 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:28:34,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-06 23:28:34,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 328. [2024-11-06 23:28:34,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 262 states have (on average 1.549618320610687) internal successors, (406), 263 states have internal predecessors, (406), 49 states have call successors, (49), 16 states have call predecessors, (49), 16 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-06 23:28:34,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 503 transitions. [2024-11-06 23:28:34,868 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 503 transitions. Word has length 108 [2024-11-06 23:28:34,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:34,870 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 503 transitions. [2024-11-06 23:28:34,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:28:34,870 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 503 transitions. [2024-11-06 23:28:34,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-06 23:28:34,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:34,872 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:28:34,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-06 23:28:35,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:28:35,073 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:35,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:35,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1552258535, now seen corresponding path program 1 times [2024-11-06 23:28:35,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:35,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355161437] [2024-11-06 23:28:35,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:35,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:35,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:35,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:35,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:35,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-06 23:28:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:35,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-06 23:28:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:35,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-06 23:28:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:35,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-06 23:28:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:35,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-06 23:28:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:35,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-06 23:28:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:35,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-06 23:28:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:35,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-06 23:28:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:35,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-06 23:28:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:35,324 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-06 23:28:35,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:35,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355161437] [2024-11-06 23:28:35,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355161437] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:28:35,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235963486] [2024-11-06 23:28:35,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:35,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:28:35,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:28:35,327 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 23:28:35,328 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 23:28:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:35,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 1035 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-06 23:28:35,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:28:35,687 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-06 23:28:35,688 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:28:35,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235963486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:35,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:28:35,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-06 23:28:35,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350022818] [2024-11-06 23:28:35,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:35,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:28:35,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:35,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:28:35,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:28:35,691 INFO L87 Difference]: Start difference. First operand 328 states and 503 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-06 23:28:35,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:35,753 INFO L93 Difference]: Finished difference Result 647 states and 996 transitions. [2024-11-06 23:28:35,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 23:28:35,754 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 109 [2024-11-06 23:28:35,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:35,757 INFO L225 Difference]: With dead ends: 647 [2024-11-06 23:28:35,757 INFO L226 Difference]: Without dead ends: 330 [2024-11-06 23:28:35,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:28:35,760 INFO L432 NwaCegarLoop]: 409 mSDtfsCounter, 2 mSDsluCounter, 1216 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1625 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 23:28:35,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1625 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:28:35,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-06 23:28:35,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2024-11-06 23:28:35,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 263 states have (on average 1.5475285171102662) internal successors, (407), 265 states have internal predecessors, (407), 49 states have call successors, (49), 16 states have call predecessors, (49), 17 states have return successors, (50), 48 states have call predecessors, (50), 48 states have call successors, (50) [2024-11-06 23:28:35,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 506 transitions. [2024-11-06 23:28:35,791 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 506 transitions. Word has length 109 [2024-11-06 23:28:35,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:35,791 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 506 transitions. [2024-11-06 23:28:35,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-06 23:28:35,791 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 506 transitions. [2024-11-06 23:28:35,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-06 23:28:35,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:35,793 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:28:35,807 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 23:28:35,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:28:35,996 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:35,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:35,996 INFO L85 PathProgramCache]: Analyzing trace with hash 618315860, now seen corresponding path program 1 times [2024-11-06 23:28:35,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:35,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565275268] [2024-11-06 23:28:35,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:35,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:36,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:36,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:36,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:36,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:28:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:36,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-06 23:28:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:36,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-06 23:28:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:36,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-06 23:28:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:36,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-06 23:28:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:36,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-06 23:28:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:36,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-06 23:28:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:36,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-06 23:28:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:36,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-06 23:28:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:36,281 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-06 23:28:36,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:36,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565275268] [2024-11-06 23:28:36,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565275268] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:28:36,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489308443] [2024-11-06 23:28:36,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:36,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:28:36,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:28:36,283 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 23:28:36,285 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 23:28:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:36,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 1036 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-06 23:28:36,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:28:36,686 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-06 23:28:36,689 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 23:28:36,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489308443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:36,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 23:28:36,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-06 23:28:36,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276921823] [2024-11-06 23:28:36,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:36,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 23:28:36,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:36,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 23:28:36,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-06 23:28:36,692 INFO L87 Difference]: Start difference. First operand 330 states and 506 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-06 23:28:36,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:36,770 INFO L93 Difference]: Finished difference Result 649 states and 1001 transitions. [2024-11-06 23:28:36,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 23:28:36,771 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 110 [2024-11-06 23:28:36,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:36,773 INFO L225 Difference]: With dead ends: 649 [2024-11-06 23:28:36,773 INFO L226 Difference]: Without dead ends: 332 [2024-11-06 23:28:36,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-06 23:28:36,775 INFO L432 NwaCegarLoop]: 407 mSDtfsCounter, 2 mSDsluCounter, 1204 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1611 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 23:28:36,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1611 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 23:28:36,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-06 23:28:36,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2024-11-06 23:28:36,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 264 states have (on average 1.5454545454545454) internal successors, (408), 267 states have internal predecessors, (408), 49 states have call successors, (49), 16 states have call predecessors, (49), 18 states have return successors, (55), 48 states have call predecessors, (55), 48 states have call successors, (55) [2024-11-06 23:28:36,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 512 transitions. [2024-11-06 23:28:36,794 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 512 transitions. Word has length 110 [2024-11-06 23:28:36,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:36,794 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 512 transitions. [2024-11-06 23:28:36,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-06 23:28:36,795 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 512 transitions. [2024-11-06 23:28:36,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-06 23:28:36,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:36,797 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:28:36,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-06 23:28:36,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:28:36,997 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:36,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:36,998 INFO L85 PathProgramCache]: Analyzing trace with hash 231538481, now seen corresponding path program 1 times [2024-11-06 23:28:36,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:36,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584609426] [2024-11-06 23:28:36,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:36,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:37,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:37,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:37,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:37,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:28:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:37,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:28:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:37,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-06 23:28:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:37,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-06 23:28:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:37,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-06 23:28:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:37,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-06 23:28:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:37,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-06 23:28:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:37,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-06 23:28:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:37,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-06 23:28:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:37,207 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-06 23:28:37,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:37,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584609426] [2024-11-06 23:28:37,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584609426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:37,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:28:37,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-06 23:28:37,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728220315] [2024-11-06 23:28:37,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:37,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-06 23:28:37,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:37,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-06 23:28:37,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-06 23:28:37,209 INFO L87 Difference]: Start difference. First operand 332 states and 512 transitions. Second operand has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-06 23:28:38,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:38,805 INFO L93 Difference]: Finished difference Result 742 states and 1149 transitions. [2024-11-06 23:28:38,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-06 23:28:38,806 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 111 [2024-11-06 23:28:38,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:38,809 INFO L225 Difference]: With dead ends: 742 [2024-11-06 23:28:38,809 INFO L226 Difference]: Without dead ends: 433 [2024-11-06 23:28:38,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-06 23:28:38,810 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 878 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 1860 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 879 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 2075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 1860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-06 23:28:38,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [879 Valid, 1108 Invalid, 2075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 1860 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-06 23:28:38,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-11-06 23:28:38,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 332. [2024-11-06 23:28:38,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 264 states have (on average 1.5454545454545454) internal successors, (408), 267 states have internal predecessors, (408), 49 states have call successors, (49), 16 states have call predecessors, (49), 18 states have return successors, (54), 48 states have call predecessors, (54), 48 states have call successors, (54) [2024-11-06 23:28:38,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 511 transitions. [2024-11-06 23:28:38,844 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 511 transitions. Word has length 111 [2024-11-06 23:28:38,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:38,845 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 511 transitions. [2024-11-06 23:28:38,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-06 23:28:38,845 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 511 transitions. [2024-11-06 23:28:38,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-06 23:28:38,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:38,847 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:28:38,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-06 23:28:38,847 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:38,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:38,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1338357194, now seen corresponding path program 2 times [2024-11-06 23:28:38,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:38,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601226194] [2024-11-06 23:28:38,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:38,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:38,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:39,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:39,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:39,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:28:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:39,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:28:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:39,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-06 23:28:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:39,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-06 23:28:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:39,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-06 23:28:39,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:39,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-06 23:28:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:39,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-06 23:28:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:39,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-06 23:28:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:39,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:28:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:39,073 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-06 23:28:39,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:39,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601226194] [2024-11-06 23:28:39,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601226194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:39,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:28:39,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-06 23:28:39,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082272435] [2024-11-06 23:28:39,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:39,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-06 23:28:39,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:39,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-06 23:28:39,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-06 23:28:39,075 INFO L87 Difference]: Start difference. First operand 332 states and 511 transitions. Second operand has 9 states, 8 states have (on average 9.125) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-06 23:28:40,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:40,581 INFO L93 Difference]: Finished difference Result 744 states and 1152 transitions. [2024-11-06 23:28:40,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-06 23:28:40,581 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 112 [2024-11-06 23:28:40,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:40,585 INFO L225 Difference]: With dead ends: 744 [2024-11-06 23:28:40,585 INFO L226 Difference]: Without dead ends: 435 [2024-11-06 23:28:40,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-06 23:28:40,587 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 875 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 1856 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 1107 SdHoareTripleChecker+Invalid, 2073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 1856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-06 23:28:40,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [876 Valid, 1107 Invalid, 2073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 1856 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-06 23:28:40,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-11-06 23:28:40,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 334. [2024-11-06 23:28:40,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 265 states have (on average 1.5433962264150944) internal successors, (409), 269 states have internal predecessors, (409), 49 states have call successors, (49), 16 states have call predecessors, (49), 19 states have return successors, (56), 48 states have call predecessors, (56), 48 states have call successors, (56) [2024-11-06 23:28:40,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 514 transitions. [2024-11-06 23:28:40,637 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 514 transitions. Word has length 112 [2024-11-06 23:28:40,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:40,638 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 514 transitions. [2024-11-06 23:28:40,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-06 23:28:40,638 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 514 transitions. [2024-11-06 23:28:40,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-06 23:28:40,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:40,640 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:28:40,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-06 23:28:40,641 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:40,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:40,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1357662934, now seen corresponding path program 1 times [2024-11-06 23:28:40,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:40,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691697936] [2024-11-06 23:28:40,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:40,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:40,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:40,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:40,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:40,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:28:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:40,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:28:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:40,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:28:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:40,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-06 23:28:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:40,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:28:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:40,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-06 23:28:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:40,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-06 23:28:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:40,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:28:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:40,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-06 23:28:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:40,866 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-06 23:28:40,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:40,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691697936] [2024-11-06 23:28:40,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691697936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:40,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:28:40,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-06 23:28:40,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489917475] [2024-11-06 23:28:40,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:40,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-06 23:28:40,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:40,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-06 23:28:40,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:28:40,867 INFO L87 Difference]: Start difference. First operand 334 states and 514 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (14), 6 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-06 23:28:42,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:42,945 INFO L93 Difference]: Finished difference Result 742 states and 1147 transitions. [2024-11-06 23:28:42,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-06 23:28:42,946 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (14), 6 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 113 [2024-11-06 23:28:42,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:42,949 INFO L225 Difference]: With dead ends: 742 [2024-11-06 23:28:42,949 INFO L226 Difference]: Without dead ends: 435 [2024-11-06 23:28:42,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-06 23:28:42,952 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 878 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 3118 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 879 SdHoareTripleChecker+Valid, 1535 SdHoareTripleChecker+Invalid, 3339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 3118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-06 23:28:42,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [879 Valid, 1535 Invalid, 3339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 3118 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-06 23:28:42,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-11-06 23:28:42,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 334. [2024-11-06 23:28:42,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 265 states have (on average 1.5433962264150944) internal successors, (409), 269 states have internal predecessors, (409), 49 states have call successors, (49), 16 states have call predecessors, (49), 19 states have return successors, (55), 48 states have call predecessors, (55), 48 states have call successors, (55) [2024-11-06 23:28:42,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 513 transitions. [2024-11-06 23:28:42,988 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 513 transitions. Word has length 113 [2024-11-06 23:28:42,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:42,988 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 513 transitions. [2024-11-06 23:28:42,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (14), 6 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-06 23:28:42,989 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 513 transitions. [2024-11-06 23:28:42,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-06 23:28:42,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:42,990 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:28:42,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-06 23:28:42,991 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:42,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:42,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1580989753, now seen corresponding path program 2 times [2024-11-06 23:28:42,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:42,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226489980] [2024-11-06 23:28:42,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:42,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:43,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:43,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:43,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:43,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:28:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:43,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:28:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:43,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:28:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:43,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-06 23:28:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:43,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-06 23:28:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:43,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-06 23:28:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:43,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-06 23:28:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:43,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-06 23:28:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:43,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-06 23:28:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:43,216 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-06 23:28:43,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:43,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226489980] [2024-11-06 23:28:43,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226489980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:43,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:28:43,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-06 23:28:43,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399039334] [2024-11-06 23:28:43,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:43,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-06 23:28:43,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:43,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-06 23:28:43,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-06 23:28:43,218 INFO L87 Difference]: Start difference. First operand 334 states and 513 transitions. Second operand has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (14), 6 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-06 23:28:45,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:45,206 INFO L93 Difference]: Finished difference Result 744 states and 1153 transitions. [2024-11-06 23:28:45,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-06 23:28:45,207 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (14), 6 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) Word has length 114 [2024-11-06 23:28:45,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:45,210 INFO L225 Difference]: With dead ends: 744 [2024-11-06 23:28:45,210 INFO L226 Difference]: Without dead ends: 437 [2024-11-06 23:28:45,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-06 23:28:45,212 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 875 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 3113 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 877 SdHoareTripleChecker+Valid, 1534 SdHoareTripleChecker+Invalid, 3333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 3113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-06 23:28:45,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [877 Valid, 1534 Invalid, 3333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 3113 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-06 23:28:45,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-06 23:28:45,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 336. [2024-11-06 23:28:45,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 266 states have (on average 1.5413533834586466) internal successors, (410), 271 states have internal predecessors, (410), 49 states have call successors, (49), 16 states have call predecessors, (49), 20 states have return successors, (60), 48 states have call predecessors, (60), 48 states have call successors, (60) [2024-11-06 23:28:45,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 519 transitions. [2024-11-06 23:28:45,240 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 519 transitions. Word has length 114 [2024-11-06 23:28:45,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:45,241 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 519 transitions. [2024-11-06 23:28:45,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (14), 6 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-06 23:28:45,242 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 519 transitions. [2024-11-06 23:28:45,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-06 23:28:45,244 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:45,244 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:28:45,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-06 23:28:45,245 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:45,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:45,245 INFO L85 PathProgramCache]: Analyzing trace with hash 823426557, now seen corresponding path program 1 times [2024-11-06 23:28:45,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:45,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219787437] [2024-11-06 23:28:45,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:45,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:45,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:45,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:45,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:45,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:28:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:45,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:28:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:45,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:28:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:45,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-06 23:28:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:45,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-06 23:28:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:45,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-06 23:28:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:45,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-06 23:28:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:45,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-06 23:28:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:45,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-06 23:28:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:45,439 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-06 23:28:45,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:45,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219787437] [2024-11-06 23:28:45,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219787437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:45,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:28:45,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-06 23:28:45,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228065691] [2024-11-06 23:28:45,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:45,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-06 23:28:45,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:45,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-06 23:28:45,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-06 23:28:45,441 INFO L87 Difference]: Start difference. First operand 336 states and 519 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-06 23:28:46,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:46,787 INFO L93 Difference]: Finished difference Result 746 states and 1156 transitions. [2024-11-06 23:28:46,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-06 23:28:46,787 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 115 [2024-11-06 23:28:46,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:46,792 INFO L225 Difference]: With dead ends: 746 [2024-11-06 23:28:46,792 INFO L226 Difference]: Without dead ends: 437 [2024-11-06 23:28:46,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-11-06 23:28:46,794 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 876 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 1856 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 877 SdHoareTripleChecker+Valid, 1099 SdHoareTripleChecker+Invalid, 2075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 1856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-06 23:28:46,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [877 Valid, 1099 Invalid, 2075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 1856 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-06 23:28:46,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-06 23:28:46,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 336. [2024-11-06 23:28:46,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 266 states have (on average 1.5413533834586466) internal successors, (410), 271 states have internal predecessors, (410), 49 states have call successors, (49), 16 states have call predecessors, (49), 20 states have return successors, (60), 48 states have call predecessors, (60), 48 states have call successors, (60) [2024-11-06 23:28:46,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 519 transitions. [2024-11-06 23:28:46,821 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 519 transitions. Word has length 115 [2024-11-06 23:28:46,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:46,821 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 519 transitions. [2024-11-06 23:28:46,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-06 23:28:46,821 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 519 transitions. [2024-11-06 23:28:46,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-06 23:28:46,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:46,823 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:28:46,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-06 23:28:46,823 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:46,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:46,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1790777211, now seen corresponding path program 1 times [2024-11-06 23:28:46,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:46,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307594652] [2024-11-06 23:28:46,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:46,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:46,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:46,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:46,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:46,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:47,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:28:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:47,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:28:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:47,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:28:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:47,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-06 23:28:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:47,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-06 23:28:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:47,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-06 23:28:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:47,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-06 23:28:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:47,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-06 23:28:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:47,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-06 23:28:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:47,049 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-06 23:28:47,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:47,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307594652] [2024-11-06 23:28:47,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307594652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:28:47,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13737112] [2024-11-06 23:28:47,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:47,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:28:47,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:28:47,053 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 23:28:47,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-06 23:28:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:47,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 23:28:47,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:28:47,374 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-06 23:28:47,374 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 23:28:47,483 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-06 23:28:47,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13737112] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 23:28:47,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-06 23:28:47,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-06 23:28:47,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116835355] [2024-11-06 23:28:47,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-06 23:28:47,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-06 23:28:47,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:47,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-06 23:28:47,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-06 23:28:47,487 INFO L87 Difference]: Start difference. First operand 336 states and 519 transitions. Second operand has 15 states, 14 states have (on average 8.857142857142858) internal successors, (124), 11 states have internal predecessors, (124), 4 states have call successors, (29), 6 states have call predecessors, (29), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-06 23:28:49,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:49,568 INFO L93 Difference]: Finished difference Result 1094 states and 1784 transitions. [2024-11-06 23:28:49,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-06 23:28:49,569 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.857142857142858) internal successors, (124), 11 states have internal predecessors, (124), 4 states have call successors, (29), 6 states have call predecessors, (29), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 115 [2024-11-06 23:28:49,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:49,573 INFO L225 Difference]: With dead ends: 1094 [2024-11-06 23:28:49,573 INFO L226 Difference]: Without dead ends: 789 [2024-11-06 23:28:49,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-06 23:28:49,575 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 1841 mSDsluCounter, 1598 mSDsCounter, 0 mSdLazyCounter, 3502 mSolverCounterSat, 506 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1858 SdHoareTripleChecker+Valid, 1763 SdHoareTripleChecker+Invalid, 4008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 506 IncrementalHoareTripleChecker+Valid, 3502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-06 23:28:49,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1858 Valid, 1763 Invalid, 4008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [506 Valid, 3502 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-06 23:28:49,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2024-11-06 23:28:49,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 664. [2024-11-06 23:28:49,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 530 states have (on average 1.5867924528301887) internal successors, (841), 535 states have internal predecessors, (841), 113 states have call successors, (113), 16 states have call predecessors, (113), 20 states have return successors, (134), 112 states have call predecessors, (134), 112 states have call successors, (134) [2024-11-06 23:28:49,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 1088 transitions. [2024-11-06 23:28:49,615 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 1088 transitions. Word has length 115 [2024-11-06 23:28:49,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:49,616 INFO L471 AbstractCegarLoop]: Abstraction has 664 states and 1088 transitions. [2024-11-06 23:28:49,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.857142857142858) internal successors, (124), 11 states have internal predecessors, (124), 4 states have call successors, (29), 6 states have call predecessors, (29), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-06 23:28:49,616 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 1088 transitions. [2024-11-06 23:28:49,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-06 23:28:49,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:49,619 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:28:49,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-06 23:28:49,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-06 23:28:49,820 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:49,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:49,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1228091855, now seen corresponding path program 1 times [2024-11-06 23:28:49,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:49,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909188268] [2024-11-06 23:28:49,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:49,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:49,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:49,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:49,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:49,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:28:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:49,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:28:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:49,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:28:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:49,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-06 23:28:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:49,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-06 23:28:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:49,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-06 23:28:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:49,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-06 23:28:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:49,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-06 23:28:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:49,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-06 23:28:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:49,921 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-06 23:28:49,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:49,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909188268] [2024-11-06 23:28:49,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909188268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:49,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:28:49,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:28:49,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373661024] [2024-11-06 23:28:49,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:49,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:28:49,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:49,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:28:49,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:28:49,923 INFO L87 Difference]: Start difference. First operand 664 states and 1088 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:28:50,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:50,860 INFO L93 Difference]: Finished difference Result 1659 states and 2783 transitions. [2024-11-06 23:28:50,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:28:50,860 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 118 [2024-11-06 23:28:50,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:50,867 INFO L225 Difference]: With dead ends: 1659 [2024-11-06 23:28:50,867 INFO L226 Difference]: Without dead ends: 1073 [2024-11-06 23:28:50,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:28:50,870 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 978 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 993 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 1350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-06 23:28:50,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [993 Valid, 832 Invalid, 1350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 1073 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-06 23:28:50,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2024-11-06 23:28:50,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 964. [2024-11-06 23:28:50,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 766 states have (on average 1.6005221932114881) internal successors, (1226), 771 states have internal predecessors, (1226), 177 states have call successors, (177), 16 states have call predecessors, (177), 20 states have return successors, (208), 176 states have call predecessors, (208), 176 states have call successors, (208) [2024-11-06 23:28:50,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1611 transitions. [2024-11-06 23:28:50,921 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1611 transitions. Word has length 118 [2024-11-06 23:28:50,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:50,921 INFO L471 AbstractCegarLoop]: Abstraction has 964 states and 1611 transitions. [2024-11-06 23:28:50,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:28:50,921 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1611 transitions. [2024-11-06 23:28:50,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-06 23:28:50,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:50,927 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:28:50,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-06 23:28:50,927 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:50,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:50,927 INFO L85 PathProgramCache]: Analyzing trace with hash -340585153, now seen corresponding path program 1 times [2024-11-06 23:28:50,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:50,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552795197] [2024-11-06 23:28:50,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:50,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:50,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:50,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:50,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:50,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:28:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:51,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:28:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:51,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:28:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:51,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-06 23:28:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:51,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-06 23:28:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:51,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-06 23:28:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:51,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:28:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:51,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-06 23:28:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:51,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-06 23:28:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:51,027 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-06 23:28:51,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:51,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552795197] [2024-11-06 23:28:51,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552795197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:51,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:28:51,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:28:51,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693174280] [2024-11-06 23:28:51,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:51,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:28:51,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:51,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:28:51,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:28:51,029 INFO L87 Difference]: Start difference. First operand 964 states and 1611 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:28:51,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:51,973 INFO L93 Difference]: Finished difference Result 2399 states and 4063 transitions. [2024-11-06 23:28:51,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:28:51,974 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2024-11-06 23:28:51,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:51,981 INFO L225 Difference]: With dead ends: 2399 [2024-11-06 23:28:51,981 INFO L226 Difference]: Without dead ends: 1566 [2024-11-06 23:28:51,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:28:51,984 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 975 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 1064 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 990 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 1339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 1064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-06 23:28:51,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [990 Valid, 812 Invalid, 1339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 1064 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-06 23:28:51,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1566 states. [2024-11-06 23:28:52,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1566 to 1457. [2024-11-06 23:28:52,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1457 states, 1164 states have (on average 1.604810996563574) internal successors, (1868), 1169 states have internal predecessors, (1868), 272 states have call successors, (272), 16 states have call predecessors, (272), 20 states have return successors, (303), 271 states have call predecessors, (303), 271 states have call successors, (303) [2024-11-06 23:28:52,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1457 states and 2443 transitions. [2024-11-06 23:28:52,054 INFO L78 Accepts]: Start accepts. Automaton has 1457 states and 2443 transitions. Word has length 119 [2024-11-06 23:28:52,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:52,054 INFO L471 AbstractCegarLoop]: Abstraction has 1457 states and 2443 transitions. [2024-11-06 23:28:52,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:28:52,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 2443 transitions. [2024-11-06 23:28:52,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-06 23:28:52,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:52,061 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:28:52,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-06 23:28:52,061 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:52,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:52,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1853840995, now seen corresponding path program 1 times [2024-11-06 23:28:52,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:52,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953417436] [2024-11-06 23:28:52,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:52,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:52,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:52,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:52,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:52,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:28:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:52,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:28:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:52,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:28:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:52,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-06 23:28:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:52,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-06 23:28:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:52,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-06 23:28:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:52,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-06 23:28:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:52,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-06 23:28:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:52,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-06 23:28:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:52,160 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-06 23:28:52,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:52,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953417436] [2024-11-06 23:28:52,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953417436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:52,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:28:52,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:28:52,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033144886] [2024-11-06 23:28:52,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:52,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:28:52,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:52,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:28:52,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:28:52,162 INFO L87 Difference]: Start difference. First operand 1457 states and 2443 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:28:53,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:53,045 INFO L93 Difference]: Finished difference Result 3501 states and 5981 transitions. [2024-11-06 23:28:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:28:53,046 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2024-11-06 23:28:53,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:53,059 INFO L225 Difference]: With dead ends: 3501 [2024-11-06 23:28:53,059 INFO L226 Difference]: Without dead ends: 2310 [2024-11-06 23:28:53,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:28:53,064 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 973 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 988 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 1316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-06 23:28:53,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [988 Valid, 804 Invalid, 1316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-06 23:28:53,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2310 states. [2024-11-06 23:28:53,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2310 to 2201. [2024-11-06 23:28:53,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2201 states, 1785 states have (on average 1.6084033613445379) internal successors, (2871), 1790 states have internal predecessors, (2871), 395 states have call successors, (395), 16 states have call predecessors, (395), 20 states have return successors, (442), 394 states have call predecessors, (442), 394 states have call successors, (442) [2024-11-06 23:28:53,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 2201 states and 3708 transitions. [2024-11-06 23:28:53,181 INFO L78 Accepts]: Start accepts. Automaton has 2201 states and 3708 transitions. Word has length 120 [2024-11-06 23:28:53,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:53,182 INFO L471 AbstractCegarLoop]: Abstraction has 2201 states and 3708 transitions. [2024-11-06 23:28:53,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:28:53,182 INFO L276 IsEmpty]: Start isEmpty. Operand 2201 states and 3708 transitions. [2024-11-06 23:28:53,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-06 23:28:53,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:53,191 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:28:53,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-06 23:28:53,191 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:53,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:53,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1617382594, now seen corresponding path program 1 times [2024-11-06 23:28:53,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:53,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548727513] [2024-11-06 23:28:53,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:53,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:53,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:53,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:53,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:53,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:28:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:53,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:28:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:53,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:28:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:53,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-06 23:28:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:53,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:28:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:53,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-06 23:28:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:53,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-06 23:28:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:53,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-06 23:28:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:53,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-06 23:28:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:53,294 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-06 23:28:53,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:53,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548727513] [2024-11-06 23:28:53,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548727513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:53,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:28:53,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:28:53,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713166113] [2024-11-06 23:28:53,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:53,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:28:53,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:53,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:28:53,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:28:53,297 INFO L87 Difference]: Start difference. First operand 2201 states and 3708 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:28:54,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:54,210 INFO L93 Difference]: Finished difference Result 5210 states and 8961 transitions. [2024-11-06 23:28:54,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:28:54,210 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 121 [2024-11-06 23:28:54,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:54,226 INFO L225 Difference]: With dead ends: 5210 [2024-11-06 23:28:54,226 INFO L226 Difference]: Without dead ends: 3494 [2024-11-06 23:28:54,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:28:54,233 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 972 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 269 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 987 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 1310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 269 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-06 23:28:54,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [987 Valid, 803 Invalid, 1310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [269 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-06 23:28:54,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3494 states. [2024-11-06 23:28:54,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3494 to 3385. [2024-11-06 23:28:54,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3385 states, 2790 states have (on average 1.610394265232975) internal successors, (4493), 2795 states have internal predecessors, (4493), 574 states have call successors, (574), 16 states have call predecessors, (574), 20 states have return successors, (647), 573 states have call predecessors, (647), 573 states have call successors, (647) [2024-11-06 23:28:54,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3385 states to 3385 states and 5714 transitions. [2024-11-06 23:28:54,395 INFO L78 Accepts]: Start accepts. Automaton has 3385 states and 5714 transitions. Word has length 121 [2024-11-06 23:28:54,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:54,395 INFO L471 AbstractCegarLoop]: Abstraction has 3385 states and 5714 transitions. [2024-11-06 23:28:54,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:28:54,395 INFO L276 IsEmpty]: Start isEmpty. Operand 3385 states and 5714 transitions. [2024-11-06 23:28:54,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-06 23:28:54,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:54,407 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:28:54,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-06 23:28:54,408 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:54,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:54,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1042849497, now seen corresponding path program 1 times [2024-11-06 23:28:54,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:54,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109235754] [2024-11-06 23:28:54,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:54,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:54,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:54,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:54,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:54,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:28:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:54,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:28:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:54,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:28:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:54,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-06 23:28:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:54,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-06 23:28:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:54,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-06 23:28:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:54,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-06 23:28:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:54,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-06 23:28:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:54,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-06 23:28:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:54,514 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-06 23:28:54,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:54,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109235754] [2024-11-06 23:28:54,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109235754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:54,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:28:54,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:28:54,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109472923] [2024-11-06 23:28:54,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:54,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:28:54,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:54,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:28:54,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:28:54,517 INFO L87 Difference]: Start difference. First operand 3385 states and 5714 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:28:55,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:55,481 INFO L93 Difference]: Finished difference Result 8283 states and 14277 transitions. [2024-11-06 23:28:55,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:28:55,482 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 122 [2024-11-06 23:28:55,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:55,510 INFO L225 Difference]: With dead ends: 8283 [2024-11-06 23:28:55,510 INFO L226 Difference]: Without dead ends: 5635 [2024-11-06 23:28:55,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:28:55,519 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 969 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 1087 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 984 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 1358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 1087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-06 23:28:55,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [984 Valid, 869 Invalid, 1358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 1087 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-06 23:28:55,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5635 states. [2024-11-06 23:28:55,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5635 to 5526. [2024-11-06 23:28:55,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5526 states, 4555 states have (on average 1.6024149286498353) internal successors, (7299), 4560 states have internal predecessors, (7299), 950 states have call successors, (950), 16 states have call predecessors, (950), 20 states have return successors, (1067), 949 states have call predecessors, (1067), 949 states have call successors, (1067) [2024-11-06 23:28:55,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5526 states to 5526 states and 9316 transitions. [2024-11-06 23:28:55,796 INFO L78 Accepts]: Start accepts. Automaton has 5526 states and 9316 transitions. Word has length 122 [2024-11-06 23:28:55,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:55,797 INFO L471 AbstractCegarLoop]: Abstraction has 5526 states and 9316 transitions. [2024-11-06 23:28:55,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:28:55,800 INFO L276 IsEmpty]: Start isEmpty. Operand 5526 states and 9316 transitions. [2024-11-06 23:28:55,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-06 23:28:55,820 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:55,820 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:28:55,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-06 23:28:55,821 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:55,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:55,821 INFO L85 PathProgramCache]: Analyzing trace with hash 168070266, now seen corresponding path program 1 times [2024-11-06 23:28:55,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:55,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479819607] [2024-11-06 23:28:55,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:55,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:55,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:55,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:55,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:55,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:28:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:55,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:28:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:55,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:28:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:55,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-06 23:28:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:55,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-06 23:28:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:55,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-06 23:28:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:55,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-06 23:28:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:55,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-06 23:28:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:55,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-06 23:28:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:55,935 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-06 23:28:55,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:55,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479819607] [2024-11-06 23:28:55,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479819607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:55,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:28:55,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:28:55,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191568993] [2024-11-06 23:28:55,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:55,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:28:55,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:55,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:28:55,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:28:55,938 INFO L87 Difference]: Start difference. First operand 5526 states and 9316 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:28:57,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:57,073 INFO L93 Difference]: Finished difference Result 13705 states and 23578 transitions. [2024-11-06 23:28:57,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:28:57,074 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 123 [2024-11-06 23:28:57,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:57,114 INFO L225 Difference]: With dead ends: 13705 [2024-11-06 23:28:57,114 INFO L226 Difference]: Without dead ends: 9318 [2024-11-06 23:28:57,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:28:57,126 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 967 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 982 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 1326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-06 23:28:57,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [982 Valid, 805 Invalid, 1326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 1051 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-06 23:28:57,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9318 states. [2024-11-06 23:28:57,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9318 to 9209. [2024-11-06 23:28:57,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9209 states, 7632 states have (on average 1.5993186582809225) internal successors, (12206), 7637 states have internal predecessors, (12206), 1556 states have call successors, (1556), 16 states have call predecessors, (1556), 20 states have return successors, (1751), 1555 states have call predecessors, (1751), 1555 states have call successors, (1751) [2024-11-06 23:28:57,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9209 states to 9209 states and 15513 transitions. [2024-11-06 23:28:57,498 INFO L78 Accepts]: Start accepts. Automaton has 9209 states and 15513 transitions. Word has length 123 [2024-11-06 23:28:57,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:57,498 INFO L471 AbstractCegarLoop]: Abstraction has 9209 states and 15513 transitions. [2024-11-06 23:28:57,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:28:57,499 INFO L276 IsEmpty]: Start isEmpty. Operand 9209 states and 15513 transitions. [2024-11-06 23:28:57,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-06 23:28:57,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:57,514 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:28:57,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-06 23:28:57,515 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:57,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:57,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1826424603, now seen corresponding path program 1 times [2024-11-06 23:28:57,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:57,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702643241] [2024-11-06 23:28:57,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:57,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:57,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:57,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:57,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:57,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:28:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:57,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:28:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:57,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:28:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:57,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-06 23:28:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:57,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-06 23:28:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:57,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-06 23:28:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:57,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-06 23:28:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:57,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-06 23:28:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:57,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-06 23:28:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:57,615 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-06 23:28:57,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:57,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702643241] [2024-11-06 23:28:57,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702643241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:57,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:28:57,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:28:57,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556117787] [2024-11-06 23:28:57,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:57,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:28:57,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:57,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:28:57,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:28:57,618 INFO L87 Difference]: Start difference. First operand 9209 states and 15513 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:28:58,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:28:58,863 INFO L93 Difference]: Finished difference Result 23889 states and 41019 transitions. [2024-11-06 23:28:58,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:28:58,864 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 124 [2024-11-06 23:28:58,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:28:58,919 INFO L225 Difference]: With dead ends: 23889 [2024-11-06 23:28:58,919 INFO L226 Difference]: Without dead ends: 16271 [2024-11-06 23:28:58,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:28:58,941 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 966 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 981 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-06 23:28:58,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [981 Valid, 861 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-06 23:28:58,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16271 states. [2024-11-06 23:28:59,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16271 to 16162. [2024-11-06 23:28:59,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16162 states, 13382 states have (on average 1.5898968764011359) internal successors, (21276), 13387 states have internal predecessors, (21276), 2759 states have call successors, (2759), 16 states have call predecessors, (2759), 20 states have return successors, (3098), 2758 states have call predecessors, (3098), 2758 states have call successors, (3098) [2024-11-06 23:28:59,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16162 states to 16162 states and 27133 transitions. [2024-11-06 23:28:59,498 INFO L78 Accepts]: Start accepts. Automaton has 16162 states and 27133 transitions. Word has length 124 [2024-11-06 23:28:59,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:28:59,498 INFO L471 AbstractCegarLoop]: Abstraction has 16162 states and 27133 transitions. [2024-11-06 23:28:59,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:28:59,498 INFO L276 IsEmpty]: Start isEmpty. Operand 16162 states and 27133 transitions. [2024-11-06 23:28:59,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-06 23:28:59,519 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:28:59,519 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:28:59,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-06 23:28:59,519 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:28:59,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:28:59,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1043147481, now seen corresponding path program 1 times [2024-11-06 23:28:59,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:28:59,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10272852] [2024-11-06 23:28:59,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:28:59,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:28:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:59,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:28:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:59,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:28:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:59,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:28:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:59,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:28:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:59,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:28:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:59,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:28:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:59,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-06 23:28:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:59,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-06 23:28:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:59,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-06 23:28:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:59,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-06 23:28:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:59,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-06 23:28:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:59,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-06 23:28:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:28:59,617 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-06 23:28:59,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:28:59,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10272852] [2024-11-06 23:28:59,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10272852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:28:59,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:28:59,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:28:59,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133578769] [2024-11-06 23:28:59,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:28:59,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:28:59,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:28:59,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:28:59,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:28:59,618 INFO L87 Difference]: Start difference. First operand 16162 states and 27133 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:29:01,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:29:01,127 INFO L93 Difference]: Finished difference Result 42855 states and 73416 transitions. [2024-11-06 23:29:01,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:29:01,128 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 125 [2024-11-06 23:29:01,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:29:01,260 INFO L225 Difference]: With dead ends: 42855 [2024-11-06 23:29:01,261 INFO L226 Difference]: Without dead ends: 28926 [2024-11-06 23:29:01,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:29:01,318 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 963 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 1052 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 978 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 1327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 1052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-06 23:29:01,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [978 Valid, 805 Invalid, 1327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 1052 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-06 23:29:01,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28926 states. [2024-11-06 23:29:02,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28926 to 28817. [2024-11-06 23:29:02,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28817 states, 23998 states have (on average 1.5852571047587298) internal successors, (38043), 24003 states have internal predecessors, (38043), 4798 states have call successors, (4798), 16 states have call predecessors, (4798), 20 states have return successors, (5411), 4797 states have call predecessors, (5411), 4797 states have call successors, (5411) [2024-11-06 23:29:02,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28817 states to 28817 states and 48252 transitions. [2024-11-06 23:29:02,617 INFO L78 Accepts]: Start accepts. Automaton has 28817 states and 48252 transitions. Word has length 125 [2024-11-06 23:29:02,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:29:02,618 INFO L471 AbstractCegarLoop]: Abstraction has 28817 states and 48252 transitions. [2024-11-06 23:29:02,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:29:02,618 INFO L276 IsEmpty]: Start isEmpty. Operand 28817 states and 48252 transitions. [2024-11-06 23:29:02,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-06 23:29:02,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:29:02,641 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:29:02,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-06 23:29:02,641 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:29:02,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:29:02,642 INFO L85 PathProgramCache]: Analyzing trace with hash -472439741, now seen corresponding path program 1 times [2024-11-06 23:29:02,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:29:02,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475049614] [2024-11-06 23:29:02,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:29:02,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:29:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:02,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:29:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:02,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:29:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:02,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:29:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:02,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:29:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:02,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:29:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:02,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:29:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:02,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-06 23:29:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:02,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-06 23:29:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:02,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-06 23:29:02,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:02,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-06 23:29:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:02,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-06 23:29:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:02,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-06 23:29:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:02,743 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-06 23:29:02,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:29:02,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475049614] [2024-11-06 23:29:02,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475049614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:29:02,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:29:02,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:29:02,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650929895] [2024-11-06 23:29:02,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:29:02,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:29:02,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:29:02,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:29:02,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:29:02,745 INFO L87 Difference]: Start difference. First operand 28817 states and 48252 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:29:04,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:29:04,483 INFO L93 Difference]: Finished difference Result 78617 states and 133780 transitions. [2024-11-06 23:29:04,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:29:04,484 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 126 [2024-11-06 23:29:04,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:29:04,686 INFO L225 Difference]: With dead ends: 78617 [2024-11-06 23:29:04,686 INFO L226 Difference]: Without dead ends: 52805 [2024-11-06 23:29:04,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:29:04,757 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 962 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 1053 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 977 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 1330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 1053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-06 23:29:04,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [977 Valid, 811 Invalid, 1330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 1053 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-06 23:29:04,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52805 states. [2024-11-06 23:29:06,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52805 to 52696. [2024-11-06 23:29:06,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52696 states, 44162 states have (on average 1.579321588696164) internal successors, (69746), 44167 states have internal predecessors, (69746), 8513 states have call successors, (8513), 16 states have call predecessors, (8513), 20 states have return successors, (9658), 8512 states have call predecessors, (9658), 8512 states have call successors, (9658) [2024-11-06 23:29:06,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52696 states to 52696 states and 87917 transitions. [2024-11-06 23:29:06,785 INFO L78 Accepts]: Start accepts. Automaton has 52696 states and 87917 transitions. Word has length 126 [2024-11-06 23:29:06,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:29:06,785 INFO L471 AbstractCegarLoop]: Abstraction has 52696 states and 87917 transitions. [2024-11-06 23:29:06,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:29:06,786 INFO L276 IsEmpty]: Start isEmpty. Operand 52696 states and 87917 transitions. [2024-11-06 23:29:06,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-06 23:29:06,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:29:06,809 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:29:06,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-06 23:29:06,810 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:29:06,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:29:06,810 INFO L85 PathProgramCache]: Analyzing trace with hash 2014873017, now seen corresponding path program 1 times [2024-11-06 23:29:06,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:29:06,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552266395] [2024-11-06 23:29:06,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:29:06,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:29:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:06,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:29:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:06,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:29:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:06,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:29:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:06,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:29:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:06,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:29:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:06,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:29:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:06,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-06 23:29:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:06,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-06 23:29:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:06,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-06 23:29:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:06,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-06 23:29:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:06,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-06 23:29:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:06,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-06 23:29:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:06,905 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-06 23:29:06,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:29:06,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552266395] [2024-11-06 23:29:06,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552266395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:29:06,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:29:06,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 23:29:06,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752016817] [2024-11-06 23:29:06,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:29:06,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 23:29:06,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:29:06,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 23:29:06,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 23:29:06,908 INFO L87 Difference]: Start difference. First operand 52696 states and 87917 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:29:09,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:29:09,611 INFO L93 Difference]: Finished difference Result 98388 states and 167710 transitions. [2024-11-06 23:29:09,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-06 23:29:09,612 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 127 [2024-11-06 23:29:09,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:29:10,022 INFO L225 Difference]: With dead ends: 98388 [2024-11-06 23:29:10,023 INFO L226 Difference]: Without dead ends: 98264 [2024-11-06 23:29:10,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-06 23:29:10,082 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 956 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 970 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 1341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 266 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-06 23:29:10,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [970 Valid, 845 Invalid, 1341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [266 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-06 23:29:10,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98264 states. [2024-11-06 23:29:12,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98264 to 98155. [2024-11-06 23:29:12,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98155 states, 82822 states have (on average 1.5719615561082805) internal successors, (130193), 82827 states have internal predecessors, (130193), 15312 states have call successors, (15312), 16 states have call predecessors, (15312), 20 states have return successors, (17503), 15311 states have call predecessors, (17503), 15311 states have call successors, (17503) [2024-11-06 23:29:13,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98155 states to 98155 states and 163008 transitions. [2024-11-06 23:29:13,353 INFO L78 Accepts]: Start accepts. Automaton has 98155 states and 163008 transitions. Word has length 127 [2024-11-06 23:29:13,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:29:13,354 INFO L471 AbstractCegarLoop]: Abstraction has 98155 states and 163008 transitions. [2024-11-06 23:29:13,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-06 23:29:13,354 INFO L276 IsEmpty]: Start isEmpty. Operand 98155 states and 163008 transitions. [2024-11-06 23:29:13,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-06 23:29:13,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:29:13,388 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:29:13,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-06 23:29:13,389 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:29:13,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:29:13,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1780549020, now seen corresponding path program 1 times [2024-11-06 23:29:13,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:29:13,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748503982] [2024-11-06 23:29:13,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:29:13,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:29:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:13,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:29:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:13,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:29:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:13,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:29:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:13,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:29:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:13,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:29:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:13,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:29:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:13,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-06 23:29:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:13,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-06 23:29:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:13,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-06 23:29:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:13,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-06 23:29:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:13,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-06 23:29:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:13,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-06 23:29:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:13,625 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-06 23:29:13,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:29:13,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748503982] [2024-11-06 23:29:13,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748503982] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-06 23:29:13,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575966152] [2024-11-06 23:29:13,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:29:13,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:29:13,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 23:29:13,628 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 23:29:13,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-06 23:29:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:13,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 1079 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-06 23:29:13,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 23:29:14,139 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-06 23:29:14,139 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 23:29:14,413 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-06 23:29:14,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575966152] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 23:29:14,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-06 23:29:14,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 23 [2024-11-06 23:29:14,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582535611] [2024-11-06 23:29:14,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-06 23:29:14,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-06 23:29:14,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 23:29:14,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-06 23:29:14,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2024-11-06 23:29:14,417 INFO L87 Difference]: Start difference. First operand 98155 states and 163008 transitions. Second operand has 23 states, 23 states have (on average 9.478260869565217) internal successors, (218), 18 states have internal predecessors, (218), 4 states have call successors, (39), 10 states have call predecessors, (39), 8 states have return successors, (33), 5 states have call predecessors, (33), 4 states have call successors, (33) [2024-11-06 23:29:22,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 23:29:22,143 INFO L93 Difference]: Finished difference Result 196644 states and 337417 transitions. [2024-11-06 23:29:22,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-06 23:29:22,144 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 9.478260869565217) internal successors, (218), 18 states have internal predecessors, (218), 4 states have call successors, (39), 10 states have call predecessors, (39), 8 states have return successors, (33), 5 states have call predecessors, (33), 4 states have call successors, (33) Word has length 128 [2024-11-06 23:29:22,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 23:29:22,878 INFO L225 Difference]: With dead ends: 196644 [2024-11-06 23:29:22,878 INFO L226 Difference]: Without dead ends: 196526 [2024-11-06 23:29:22,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=621, Invalid=2571, Unknown=0, NotChecked=0, Total=3192 [2024-11-06 23:29:22,959 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 3564 mSDsluCounter, 2344 mSDsCounter, 0 mSdLazyCounter, 5925 mSolverCounterSat, 790 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3576 SdHoareTripleChecker+Valid, 2497 SdHoareTripleChecker+Invalid, 6715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 790 IncrementalHoareTripleChecker+Valid, 5925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-06 23:29:22,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3576 Valid, 2497 Invalid, 6715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [790 Valid, 5925 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-06 23:29:23,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196526 states. [2024-11-06 23:29:29,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196526 to 196311. [2024-11-06 23:29:29,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196311 states, 165647 states have (on average 1.5719693082277373) internal successors, (260392), 165654 states have internal predecessors, (260392), 30622 states have call successors, (30622), 34 states have call predecessors, (30622), 41 states have return successors, (37184), 30622 states have call predecessors, (37184), 30620 states have call successors, (37184) [2024-11-06 23:29:30,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196311 states to 196311 states and 328198 transitions. [2024-11-06 23:29:30,500 INFO L78 Accepts]: Start accepts. Automaton has 196311 states and 328198 transitions. Word has length 128 [2024-11-06 23:29:30,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 23:29:30,501 INFO L471 AbstractCegarLoop]: Abstraction has 196311 states and 328198 transitions. [2024-11-06 23:29:30,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.478260869565217) internal successors, (218), 18 states have internal predecessors, (218), 4 states have call successors, (39), 10 states have call predecessors, (39), 8 states have return successors, (33), 5 states have call predecessors, (33), 4 states have call successors, (33) [2024-11-06 23:29:30,501 INFO L276 IsEmpty]: Start isEmpty. Operand 196311 states and 328198 transitions. [2024-11-06 23:29:30,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-06 23:29:30,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 23:29:30,614 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 23:29:30,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-06 23:29:30,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 23:29:30,815 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 23:29:30,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 23:29:30,816 INFO L85 PathProgramCache]: Analyzing trace with hash -604992917, now seen corresponding path program 1 times [2024-11-06 23:29:30,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 23:29:30,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547479466] [2024-11-06 23:29:30,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 23:29:30,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 23:29:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:30,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-06 23:29:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:31,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-06 23:29:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:31,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-06 23:29:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:31,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-06 23:29:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:31,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-06 23:29:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:31,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-06 23:29:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:31,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-06 23:29:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:31,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-06 23:29:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:31,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-06 23:29:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:31,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-06 23:29:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:31,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-06 23:29:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:31,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-06 23:29:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:31,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-06 23:29:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 23:29:31,058 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-06 23:29:31,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 23:29:31,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547479466] [2024-11-06 23:29:31,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547479466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 23:29:31,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 23:29:31,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-06 23:29:31,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046607003] [2024-11-06 23:29:31,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 23:29:31,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-06 23:29:31,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL