./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product15.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 3a5e24a2ecd4f1b82ac6c9f3672db1eec2c6845bb52ab38fa9dd83ecce424f6f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 03:05:10,598 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 03:05:10,675 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 03:05:10,679 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 03:05:10,680 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 03:05:10,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 03:05:10,701 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 03:05:10,701 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 03:05:10,701 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 03:05:10,702 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 03:05:10,702 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 03:05:10,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 03:05:10,704 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 03:05:10,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 03:05:10,706 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 03:05:10,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 03:05:10,707 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 03:05:10,707 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 03:05:10,707 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 03:05:10,708 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 03:05:10,708 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 03:05:10,712 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 03:05:10,712 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 03:05:10,712 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 03:05:10,712 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 03:05:10,713 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 03:05:10,713 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 03:05:10,713 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 03:05:10,713 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 03:05:10,713 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 03:05:10,714 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 03:05:10,714 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 03:05:10,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:05:10,714 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 03:05:10,714 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 03:05:10,715 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 03:05:10,715 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 03:05:10,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 03:05:10,715 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 03:05:10,716 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 03:05:10,717 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 03:05:10,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 03:05:10,717 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a5e24a2ecd4f1b82ac6c9f3672db1eec2c6845bb52ab38fa9dd83ecce424f6f [2024-10-14 03:05:10,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 03:05:11,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 03:05:11,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 03:05:11,007 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 03:05:11,008 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 03:05:11,010 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product15.cil.c [2024-10-14 03:05:12,473 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 03:05:12,784 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 03:05:12,786 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product15.cil.c [2024-10-14 03:05:12,812 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f92302d4/139b148f0c8141a0b56e0cfe5e6d4f20/FLAG9a2500903 [2024-10-14 03:05:12,824 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f92302d4/139b148f0c8141a0b56e0cfe5e6d4f20 [2024-10-14 03:05:12,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 03:05:12,828 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 03:05:12,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 03:05:12,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 03:05:12,837 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 03:05:12,838 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:05:12" (1/1) ... [2024-10-14 03:05:12,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e66735e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:12, skipping insertion in model container [2024-10-14 03:05:12,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:05:12" (1/1) ... [2024-10-14 03:05:12,919 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 03:05:13,415 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product15.cil.c[51080,51093] [2024-10-14 03:05:13,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:05:13,494 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 03:05:13,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [48] [2024-10-14 03:05:13,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [97] [2024-10-14 03:05:13,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [509] [2024-10-14 03:05:13,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [734] [2024-10-14 03:05:13,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [752] [2024-10-14 03:05:13,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1118] [2024-10-14 03:05:13,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2198] [2024-10-14 03:05:13,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2207] [2024-10-14 03:05:13,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptForward_spec.i","") [2479] [2024-10-14 03:05:13,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2521] [2024-10-14 03:05:13,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [2796] [2024-10-14 03:05:13,603 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product15.cil.c[51080,51093] [2024-10-14 03:05:13,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:05:13,653 INFO L204 MainTranslator]: Completed translation [2024-10-14 03:05:13,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:13 WrapperNode [2024-10-14 03:05:13,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 03:05:13,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 03:05:13,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 03:05:13,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 03:05:13,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:13" (1/1) ... [2024-10-14 03:05:13,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:13" (1/1) ... [2024-10-14 03:05:13,728 INFO L138 Inliner]: procedures = 126, calls = 185, calls flagged for inlining = 55, calls inlined = 46, statements flattened = 892 [2024-10-14 03:05:13,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 03:05:13,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 03:05:13,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 03:05:13,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 03:05:13,743 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:13" (1/1) ... [2024-10-14 03:05:13,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:13" (1/1) ... [2024-10-14 03:05:13,750 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:13" (1/1) ... [2024-10-14 03:05:13,778 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]. [2024-10-14 03:05:13,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:13" (1/1) ... [2024-10-14 03:05:13,779 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:13" (1/1) ... [2024-10-14 03:05:13,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:13" (1/1) ... [2024-10-14 03:05:13,803 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:13" (1/1) ... [2024-10-14 03:05:13,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:13" (1/1) ... [2024-10-14 03:05:13,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:13" (1/1) ... [2024-10-14 03:05:13,817 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 03:05:13,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 03:05:13,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 03:05:13,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 03:05:13,821 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:13" (1/1) ... [2024-10-14 03:05:13,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:05:13,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:05:13,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 03:05:13,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 03:05:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-10-14 03:05:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-10-14 03:05:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-10-14 03:05:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-10-14 03:05:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-14 03:05:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-14 03:05:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-14 03:05:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-14 03:05:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-14 03:05:13,905 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-14 03:05:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-10-14 03:05:13,905 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-10-14 03:05:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-14 03:05:13,906 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-14 03:05:13,907 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-14 03:05:13,907 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-14 03:05:13,907 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-14 03:05:13,907 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-14 03:05:13,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 03:05:13,907 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-14 03:05:13,907 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-14 03:05:13,907 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-14 03:05:13,907 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-14 03:05:13,907 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-14 03:05:13,907 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-14 03:05:13,907 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-14 03:05:13,907 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-14 03:05:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-10-14 03:05:13,908 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-10-14 03:05:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-14 03:05:13,908 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-14 03:05:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-14 03:05:13,908 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-14 03:05:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 03:05:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 03:05:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 03:05:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 03:05:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-14 03:05:13,909 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-14 03:05:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 03:05:13,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 03:05:14,098 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 03:05:14,101 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 03:05:14,928 INFO L? ?]: Removed 376 outVars from TransFormulas that were not future-live. [2024-10-14 03:05:14,928 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 03:05:14,995 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 03:05:14,998 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 03:05:14,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:05:14 BoogieIcfgContainer [2024-10-14 03:05:14,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 03:05:15,001 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 03:05:15,001 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 03:05:15,005 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 03:05:15,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:05:12" (1/3) ... [2024-10-14 03:05:15,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c514a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:05:15, skipping insertion in model container [2024-10-14 03:05:15,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:05:13" (2/3) ... [2024-10-14 03:05:15,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c514a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:05:15, skipping insertion in model container [2024-10-14 03:05:15,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:05:14" (3/3) ... [2024-10-14 03:05:15,009 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product15.cil.c [2024-10-14 03:05:15,025 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 03:05:15,025 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 03:05:15,104 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 03:05:15,114 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;@2766d881, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 03:05:15,114 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 03:05:15,121 INFO L276 IsEmpty]: Start isEmpty. Operand has 262 states, 201 states have (on average 1.6119402985074627) internal successors, (324), 205 states have internal predecessors, (324), 42 states have call successors, (42), 17 states have call predecessors, (42), 17 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-14 03:05:15,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-14 03:05:15,141 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:15,142 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:15,143 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:15,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:15,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1741689939, now seen corresponding path program 1 times [2024-10-14 03:05:15,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:15,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179203488] [2024-10-14 03:05:15,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:15,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:15,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:15,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:15,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:15,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 03:05:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:15,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 03:05:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:15,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 03:05:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:15,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 03:05:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:15,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 03:05:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:15,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 03:05:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:15,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 03:05:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:15,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 03:05:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:15,855 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-14 03:05:15,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:15,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179203488] [2024-10-14 03:05:15,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179203488] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:05:15,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564329460] [2024-10-14 03:05:15,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:15,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:05:15,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:05:15,860 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 03:05:15,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 03:05:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:16,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 03:05:16,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:05:16,190 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 03:05:16,190 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:05:16,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564329460] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:16,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:05:16,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-14 03:05:16,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922837736] [2024-10-14 03:05:16,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:16,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 03:05:16,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:16,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 03:05:16,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:05:16,234 INFO L87 Difference]: Start difference. First operand has 262 states, 201 states have (on average 1.6119402985074627) internal successors, (324), 205 states have internal predecessors, (324), 42 states have call successors, (42), 17 states have call predecessors, (42), 17 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:16,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:16,342 INFO L93 Difference]: Finished difference Result 379 states and 579 transitions. [2024-10-14 03:05:16,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 03:05:16,345 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 83 [2024-10-14 03:05:16,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:16,361 INFO L225 Difference]: With dead ends: 379 [2024-10-14 03:05:16,361 INFO L226 Difference]: Without dead ends: 259 [2024-10-14 03:05:16,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:05:16,368 INFO L432 NwaCegarLoop]: 391 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:16,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 391 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:05:16,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-10-14 03:05:16,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2024-10-14 03:05:16,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 199 states have (on average 1.592964824120603) internal successors, (317), 202 states have internal predecessors, (317), 42 states have call successors, (42), 17 states have call predecessors, (42), 17 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-10-14 03:05:16,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 400 transitions. [2024-10-14 03:05:16,422 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 400 transitions. Word has length 83 [2024-10-14 03:05:16,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:16,425 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 400 transitions. [2024-10-14 03:05:16,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:16,426 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 400 transitions. [2024-10-14 03:05:16,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-14 03:05:16,431 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:16,431 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:16,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 03:05:16,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-14 03:05:16,633 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:16,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:16,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1139958611, now seen corresponding path program 1 times [2024-10-14 03:05:16,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:16,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342442077] [2024-10-14 03:05:16,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:16,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:16,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:16,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:16,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:16,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 03:05:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:16,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 03:05:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:16,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 03:05:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:16,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 03:05:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:16,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 03:05:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:16,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 03:05:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:16,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 03:05:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:16,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 03:05:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:16,955 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-14 03:05:16,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:16,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342442077] [2024-10-14 03:05:16,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342442077] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:05:16,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934938178] [2024-10-14 03:05:16,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:16,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:05:16,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:05:16,960 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 03:05:16,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 03:05:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:17,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 03:05:17,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:05:17,256 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 03:05:17,257 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:05:17,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934938178] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:17,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:05:17,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-14 03:05:17,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310558126] [2024-10-14 03:05:17,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:17,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:05:17,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:17,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:05:17,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 03:05:17,264 INFO L87 Difference]: Start difference. First operand 259 states and 400 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:17,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:17,330 INFO L93 Difference]: Finished difference Result 375 states and 566 transitions. [2024-10-14 03:05:17,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:05:17,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 84 [2024-10-14 03:05:17,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:17,334 INFO L225 Difference]: With dead ends: 375 [2024-10-14 03:05:17,334 INFO L226 Difference]: Without dead ends: 261 [2024-10-14 03:05:17,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 03:05:17,336 INFO L432 NwaCegarLoop]: 388 mSDtfsCounter, 0 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:17,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 775 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:05:17,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-10-14 03:05:17,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2024-10-14 03:05:17,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 201 states have (on average 1.5870646766169154) internal successors, (319), 204 states have internal predecessors, (319), 42 states have call successors, (42), 17 states have call predecessors, (42), 17 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-10-14 03:05:17,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 402 transitions. [2024-10-14 03:05:17,373 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 402 transitions. Word has length 84 [2024-10-14 03:05:17,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:17,374 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 402 transitions. [2024-10-14 03:05:17,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:17,375 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 402 transitions. [2024-10-14 03:05:17,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-14 03:05:17,379 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:17,380 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:17,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-14 03:05:17,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-14 03:05:17,581 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:17,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:17,582 INFO L85 PathProgramCache]: Analyzing trace with hash 497390221, now seen corresponding path program 1 times [2024-10-14 03:05:17,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:17,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016012142] [2024-10-14 03:05:17,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:17,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:17,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:17,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:17,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:17,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 03:05:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:17,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 03:05:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:17,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 03:05:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:17,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 03:05:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:17,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 03:05:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:17,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 03:05:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:17,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 03:05:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:17,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 03:05:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:17,834 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 03:05:17,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:17,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016012142] [2024-10-14 03:05:17,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016012142] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:05:17,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778790818] [2024-10-14 03:05:17,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:17,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:05:17,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:05:17,837 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 03:05:17,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 03:05:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:18,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 03:05:18,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:05:18,116 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 03:05:18,116 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:05:18,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [778790818] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:18,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:05:18,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-14 03:05:18,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597832064] [2024-10-14 03:05:18,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:18,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:05:18,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:18,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:05:18,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 03:05:18,119 INFO L87 Difference]: Start difference. First operand 261 states and 402 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:18,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:18,168 INFO L93 Difference]: Finished difference Result 552 states and 863 transitions. [2024-10-14 03:05:18,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:05:18,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 91 [2024-10-14 03:05:18,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:18,172 INFO L225 Difference]: With dead ends: 552 [2024-10-14 03:05:18,172 INFO L226 Difference]: Without dead ends: 313 [2024-10-14 03:05:18,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 03:05:18,189 INFO L432 NwaCegarLoop]: 402 mSDtfsCounter, 102 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 746 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:18,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 746 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:05:18,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-10-14 03:05:18,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 308. [2024-10-14 03:05:18,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 237 states have (on average 1.59915611814346) internal successors, (379), 240 states have internal predecessors, (379), 53 states have call successors, (53), 17 states have call predecessors, (53), 17 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-14 03:05:18,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 484 transitions. [2024-10-14 03:05:18,219 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 484 transitions. Word has length 91 [2024-10-14 03:05:18,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:18,220 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 484 transitions. [2024-10-14 03:05:18,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:18,220 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 484 transitions. [2024-10-14 03:05:18,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-14 03:05:18,222 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:18,223 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:18,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-14 03:05:18,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:05:18,424 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:18,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:18,424 INFO L85 PathProgramCache]: Analyzing trace with hash 2090730355, now seen corresponding path program 1 times [2024-10-14 03:05:18,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:18,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240536259] [2024-10-14 03:05:18,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:18,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:18,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:18,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:18,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:18,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 03:05:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:18,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 03:05:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:18,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 03:05:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:18,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 03:05:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:18,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 03:05:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:18,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:05:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:18,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 03:05:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:18,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 03:05:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:18,713 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 03:05:18,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:18,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240536259] [2024-10-14 03:05:18,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240536259] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:05:18,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36104946] [2024-10-14 03:05:18,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:18,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:05:18,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:05:18,716 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 03:05:18,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 03:05:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:18,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 933 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 03:05:18,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:05:19,042 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-14 03:05:19,043 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:05:19,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36104946] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:19,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:05:19,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-14 03:05:19,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564084892] [2024-10-14 03:05:19,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:19,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:05:19,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:19,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:05:19,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:05:19,046 INFO L87 Difference]: Start difference. First operand 308 states and 484 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-14 03:05:19,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:19,150 INFO L93 Difference]: Finished difference Result 611 states and 962 transitions. [2024-10-14 03:05:19,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:05:19,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 92 [2024-10-14 03:05:19,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:19,154 INFO L225 Difference]: With dead ends: 611 [2024-10-14 03:05:19,154 INFO L226 Difference]: Without dead ends: 310 [2024-10-14 03:05:19,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:05:19,159 INFO L432 NwaCegarLoop]: 380 mSDtfsCounter, 2 mSDsluCounter, 1129 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1509 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:19,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1509 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:05:19,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-10-14 03:05:19,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2024-10-14 03:05:19,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 238 states have (on average 1.596638655462185) internal successors, (380), 242 states have internal predecessors, (380), 53 states have call successors, (53), 17 states have call predecessors, (53), 18 states have return successors, (54), 52 states have call predecessors, (54), 52 states have call successors, (54) [2024-10-14 03:05:19,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 487 transitions. [2024-10-14 03:05:19,181 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 487 transitions. Word has length 92 [2024-10-14 03:05:19,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:19,182 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 487 transitions. [2024-10-14 03:05:19,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-14 03:05:19,182 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 487 transitions. [2024-10-14 03:05:19,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-14 03:05:19,184 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:19,184 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:19,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 03:05:19,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:05:19,385 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:19,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:19,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1005250262, now seen corresponding path program 1 times [2024-10-14 03:05:19,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:19,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251266322] [2024-10-14 03:05:19,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:19,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:19,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:19,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:19,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:19,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:19,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-14 03:05:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:19,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-14 03:05:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:19,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 03:05:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:19,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 03:05:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:19,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 03:05:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:19,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 03:05:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:19,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 03:05:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:19,643 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 03:05:19,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:19,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251266322] [2024-10-14 03:05:19,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251266322] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:05:19,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753782982] [2024-10-14 03:05:19,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:19,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:05:19,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:05:19,646 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 03:05:19,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 03:05:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:19,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 03:05:19,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:05:19,957 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-14 03:05:19,957 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 03:05:19,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753782982] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:19,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 03:05:19,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-14 03:05:19,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303954601] [2024-10-14 03:05:19,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:19,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:05:19,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:19,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:05:19,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:05:19,961 INFO L87 Difference]: Start difference. First operand 310 states and 487 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-14 03:05:20,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:20,070 INFO L93 Difference]: Finished difference Result 613 states and 967 transitions. [2024-10-14 03:05:20,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:05:20,071 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 93 [2024-10-14 03:05:20,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:20,074 INFO L225 Difference]: With dead ends: 613 [2024-10-14 03:05:20,074 INFO L226 Difference]: Without dead ends: 312 [2024-10-14 03:05:20,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:05:20,076 INFO L432 NwaCegarLoop]: 378 mSDtfsCounter, 2 mSDsluCounter, 1117 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1495 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:20,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1495 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:05:20,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-10-14 03:05:20,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2024-10-14 03:05:20,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 239 states have (on average 1.594142259414226) internal successors, (381), 244 states have internal predecessors, (381), 53 states have call successors, (53), 17 states have call predecessors, (53), 19 states have return successors, (59), 52 states have call predecessors, (59), 52 states have call successors, (59) [2024-10-14 03:05:20,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 493 transitions. [2024-10-14 03:05:20,100 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 493 transitions. Word has length 93 [2024-10-14 03:05:20,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:20,100 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 493 transitions. [2024-10-14 03:05:20,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-14 03:05:20,101 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 493 transitions. [2024-10-14 03:05:20,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 03:05:20,104 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:20,104 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:20,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-14 03:05:20,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:05:20,305 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:20,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:20,306 INFO L85 PathProgramCache]: Analyzing trace with hash -2133422863, now seen corresponding path program 1 times [2024-10-14 03:05:20,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:20,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122635788] [2024-10-14 03:05:20,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:20,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:20,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:20,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:20,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:20,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:20,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:20,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 03:05:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:20,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 03:05:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:20,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 03:05:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:20,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 03:05:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:20,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 03:05:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:20,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 03:05:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:20,510 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 03:05:20,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:20,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122635788] [2024-10-14 03:05:20,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122635788] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:20,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:20,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 03:05:20,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055151670] [2024-10-14 03:05:20,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:20,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 03:05:20,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:20,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 03:05:20,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:05:20,513 INFO L87 Difference]: Start difference. First operand 312 states and 493 transitions. Second operand has 9 states, 8 states have (on average 7.375) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-14 03:05:22,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:22,105 INFO L93 Difference]: Finished difference Result 674 states and 1076 transitions. [2024-10-14 03:05:22,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:05:22,106 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.375) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 94 [2024-10-14 03:05:22,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:22,109 INFO L225 Difference]: With dead ends: 674 [2024-10-14 03:05:22,109 INFO L226 Difference]: Without dead ends: 381 [2024-10-14 03:05:22,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-14 03:05:22,111 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 810 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 1731 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 811 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 1978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 1731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:22,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [811 Valid, 968 Invalid, 1978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 1731 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 03:05:22,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-10-14 03:05:22,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 312. [2024-10-14 03:05:22,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 239 states have (on average 1.594142259414226) internal successors, (381), 244 states have internal predecessors, (381), 53 states have call successors, (53), 17 states have call predecessors, (53), 19 states have return successors, (58), 52 states have call predecessors, (58), 52 states have call successors, (58) [2024-10-14 03:05:22,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 492 transitions. [2024-10-14 03:05:22,150 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 492 transitions. Word has length 94 [2024-10-14 03:05:22,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:22,151 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 492 transitions. [2024-10-14 03:05:22,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.375) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-14 03:05:22,151 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 492 transitions. [2024-10-14 03:05:22,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-14 03:05:22,153 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:22,154 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] [2024-10-14 03:05:22,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 03:05:22,154 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:22,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:22,155 INFO L85 PathProgramCache]: Analyzing trace with hash -516454454, now seen corresponding path program 2 times [2024-10-14 03:05:22,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:22,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143971449] [2024-10-14 03:05:22,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:22,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:22,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:22,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:22,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:22,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:22,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:22,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 03:05:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:22,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 03:05:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:22,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 03:05:22,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:22,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 03:05:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:22,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 03:05:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:22,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 03:05:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:22,331 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 03:05:22,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:22,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143971449] [2024-10-14 03:05:22,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143971449] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:22,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:22,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 03:05:22,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121088673] [2024-10-14 03:05:22,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:22,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 03:05:22,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:22,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 03:05:22,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:05:22,334 INFO L87 Difference]: Start difference. First operand 312 states and 492 transitions. Second operand has 9 states, 8 states have (on average 7.5) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-14 03:05:23,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:23,810 INFO L93 Difference]: Finished difference Result 676 states and 1079 transitions. [2024-10-14 03:05:23,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:05:23,811 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.5) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 95 [2024-10-14 03:05:23,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:23,814 INFO L225 Difference]: With dead ends: 676 [2024-10-14 03:05:23,815 INFO L226 Difference]: Without dead ends: 383 [2024-10-14 03:05:23,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-14 03:05:23,818 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 806 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 1733 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 1980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 1733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:23,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [807 Valid, 968 Invalid, 1980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 1733 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 03:05:23,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-10-14 03:05:23,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 314. [2024-10-14 03:05:23,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 240 states have (on average 1.5916666666666666) internal successors, (382), 246 states have internal predecessors, (382), 53 states have call successors, (53), 17 states have call predecessors, (53), 20 states have return successors, (60), 52 states have call predecessors, (60), 52 states have call successors, (60) [2024-10-14 03:05:23,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 495 transitions. [2024-10-14 03:05:23,859 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 495 transitions. Word has length 95 [2024-10-14 03:05:23,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:23,860 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 495 transitions. [2024-10-14 03:05:23,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.5) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-14 03:05:23,860 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 495 transitions. [2024-10-14 03:05:23,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 03:05:23,862 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:23,862 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:23,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 03:05:23,862 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:23,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:23,863 INFO L85 PathProgramCache]: Analyzing trace with hash 81460076, now seen corresponding path program 1 times [2024-10-14 03:05:23,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:23,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072990566] [2024-10-14 03:05:23,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:23,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:23,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-14 03:05:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 03:05:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 03:05:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 03:05:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 03:05:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:24,111 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 03:05:24,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:24,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072990566] [2024-10-14 03:05:24,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072990566] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:24,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:24,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 03:05:24,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284050314] [2024-10-14 03:05:24,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:24,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 03:05:24,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:24,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 03:05:24,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:05:24,113 INFO L87 Difference]: Start difference. First operand 314 states and 495 transitions. Second operand has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 8 states have internal predecessors, (64), 4 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-10-14 03:05:26,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:26,045 INFO L93 Difference]: Finished difference Result 674 states and 1074 transitions. [2024-10-14 03:05:26,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 03:05:26,046 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 8 states have internal predecessors, (64), 4 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 96 [2024-10-14 03:05:26,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:26,049 INFO L225 Difference]: With dead ends: 674 [2024-10-14 03:05:26,049 INFO L226 Difference]: Without dead ends: 383 [2024-10-14 03:05:26,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-14 03:05:26,051 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 810 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 2880 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 811 SdHoareTripleChecker+Valid, 1343 SdHoareTripleChecker+Invalid, 3132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 2880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:26,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [811 Valid, 1343 Invalid, 3132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 2880 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-14 03:05:26,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-10-14 03:05:26,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 314. [2024-10-14 03:05:26,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 240 states have (on average 1.5916666666666666) internal successors, (382), 246 states have internal predecessors, (382), 53 states have call successors, (53), 17 states have call predecessors, (53), 20 states have return successors, (59), 52 states have call predecessors, (59), 52 states have call successors, (59) [2024-10-14 03:05:26,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 494 transitions. [2024-10-14 03:05:26,076 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 494 transitions. Word has length 96 [2024-10-14 03:05:26,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:26,077 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 494 transitions. [2024-10-14 03:05:26,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 8 states have internal predecessors, (64), 4 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-10-14 03:05:26,077 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 494 transitions. [2024-10-14 03:05:26,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-14 03:05:26,079 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:26,079 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] [2024-10-14 03:05:26,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 03:05:26,079 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:26,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:26,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1174947311, now seen corresponding path program 2 times [2024-10-14 03:05:26,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:26,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746723389] [2024-10-14 03:05:26,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:26,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 03:05:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 03:05:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 03:05:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 03:05:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 03:05:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:26,283 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 03:05:26,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:26,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746723389] [2024-10-14 03:05:26,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746723389] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:26,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:26,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 03:05:26,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064097476] [2024-10-14 03:05:26,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:26,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 03:05:26,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:26,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 03:05:26,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:05:26,285 INFO L87 Difference]: Start difference. First operand 314 states and 494 transitions. Second operand has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-10-14 03:05:28,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:28,209 INFO L93 Difference]: Finished difference Result 676 states and 1080 transitions. [2024-10-14 03:05:28,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 03:05:28,210 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 97 [2024-10-14 03:05:28,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:28,213 INFO L225 Difference]: With dead ends: 676 [2024-10-14 03:05:28,213 INFO L226 Difference]: Without dead ends: 385 [2024-10-14 03:05:28,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-14 03:05:28,215 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 806 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 2916 mSolverCounterSat, 249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 1344 SdHoareTripleChecker+Invalid, 3165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 2916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:28,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [807 Valid, 1344 Invalid, 3165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [249 Valid, 2916 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-14 03:05:28,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-10-14 03:05:28,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 316. [2024-10-14 03:05:28,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 241 states have (on average 1.5892116182572613) internal successors, (383), 248 states have internal predecessors, (383), 53 states have call successors, (53), 17 states have call predecessors, (53), 21 states have return successors, (64), 52 states have call predecessors, (64), 52 states have call successors, (64) [2024-10-14 03:05:28,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 500 transitions. [2024-10-14 03:05:28,240 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 500 transitions. Word has length 97 [2024-10-14 03:05:28,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:28,240 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 500 transitions. [2024-10-14 03:05:28,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (13), 6 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-10-14 03:05:28,241 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 500 transitions. [2024-10-14 03:05:28,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 03:05:28,242 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:28,242 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:28,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 03:05:28,243 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:28,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:28,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1762935719, now seen corresponding path program 1 times [2024-10-14 03:05:28,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:28,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570118061] [2024-10-14 03:05:28,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:28,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:28,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:28,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:28,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:28,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:28,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:28,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:28,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 03:05:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:28,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 03:05:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:28,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 03:05:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:28,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 03:05:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:28,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 03:05:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:28,472 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-14 03:05:28,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:28,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570118061] [2024-10-14 03:05:28,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570118061] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 03:05:28,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428502196] [2024-10-14 03:05:28,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:28,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:05:28,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:05:28,474 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 03:05:28,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 03:05:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:28,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 939 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 03:05:28,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 03:05:28,799 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:05:28,803 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 03:05:28,897 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:05:28,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428502196] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 03:05:28,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 03:05:28,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-10-14 03:05:28,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085986302] [2024-10-14 03:05:28,898 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 03:05:28,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 03:05:28,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:28,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 03:05:28,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:05:28,902 INFO L87 Difference]: Start difference. First operand 316 states and 500 transitions. Second operand has 15 states, 14 states have (on average 7.642857142857143) internal successors, (107), 11 states have internal predecessors, (107), 4 states have call successors, (27), 6 states have call predecessors, (27), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-10-14 03:05:31,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:31,288 INFO L93 Difference]: Finished difference Result 1005 states and 1691 transitions. [2024-10-14 03:05:31,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 03:05:31,288 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.642857142857143) internal successors, (107), 11 states have internal predecessors, (107), 4 states have call successors, (27), 6 states have call predecessors, (27), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 98 [2024-10-14 03:05:31,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:31,293 INFO L225 Difference]: With dead ends: 1005 [2024-10-14 03:05:31,293 INFO L226 Difference]: Without dead ends: 715 [2024-10-14 03:05:31,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-10-14 03:05:31,296 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 1758 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 3303 mSolverCounterSat, 515 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1775 SdHoareTripleChecker+Valid, 1546 SdHoareTripleChecker+Invalid, 3818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 515 IncrementalHoareTripleChecker+Valid, 3303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:31,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1775 Valid, 1546 Invalid, 3818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [515 Valid, 3303 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-14 03:05:31,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2024-10-14 03:05:31,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 631. [2024-10-14 03:05:31,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 492 states have (on average 1.6280487804878048) internal successors, (801), 499 states have internal predecessors, (801), 117 states have call successors, (117), 17 states have call predecessors, (117), 21 states have return successors, (138), 116 states have call predecessors, (138), 116 states have call successors, (138) [2024-10-14 03:05:31,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 1056 transitions. [2024-10-14 03:05:31,336 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 1056 transitions. Word has length 98 [2024-10-14 03:05:31,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:31,336 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 1056 transitions. [2024-10-14 03:05:31,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.642857142857143) internal successors, (107), 11 states have internal predecessors, (107), 4 states have call successors, (27), 6 states have call predecessors, (27), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-10-14 03:05:31,336 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 1056 transitions. [2024-10-14 03:05:31,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-14 03:05:31,339 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:31,339 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:31,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 03:05:31,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 03:05:31,540 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:31,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:31,541 INFO L85 PathProgramCache]: Analyzing trace with hash 574991170, now seen corresponding path program 1 times [2024-10-14 03:05:31,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:31,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790078711] [2024-10-14 03:05:31,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:31,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 03:05:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 03:05:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 03:05:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 03:05:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 03:05:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:31,633 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:05:31,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:31,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790078711] [2024-10-14 03:05:31,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790078711] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:31,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:31,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:05:31,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048468660] [2024-10-14 03:05:31,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:31,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:05:31,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:31,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:05:31,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:05:31,635 INFO L87 Difference]: Start difference. First operand 631 states and 1056 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:32,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:32,783 INFO L93 Difference]: Finished difference Result 1560 states and 2680 transitions. [2024-10-14 03:05:32,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:05:32,784 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 102 [2024-10-14 03:05:32,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:32,792 INFO L225 Difference]: With dead ends: 1560 [2024-10-14 03:05:32,792 INFO L226 Difference]: Without dead ends: 997 [2024-10-14 03:05:32,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:05:32,795 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 904 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 1004 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 919 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 1311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 1004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:32,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [919 Valid, 731 Invalid, 1311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 1004 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 03:05:32,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2024-10-14 03:05:32,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 923. [2024-10-14 03:05:32,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 720 states have (on average 1.636111111111111) internal successors, (1178), 727 states have internal predecessors, (1178), 181 states have call successors, (181), 17 states have call predecessors, (181), 21 states have return successors, (212), 180 states have call predecessors, (212), 180 states have call successors, (212) [2024-10-14 03:05:32,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1571 transitions. [2024-10-14 03:05:32,844 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1571 transitions. Word has length 102 [2024-10-14 03:05:32,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:32,844 INFO L471 AbstractCegarLoop]: Abstraction has 923 states and 1571 transitions. [2024-10-14 03:05:32,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:32,844 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1571 transitions. [2024-10-14 03:05:32,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-14 03:05:32,848 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:32,849 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:32,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 03:05:32,849 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:32,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:32,849 INFO L85 PathProgramCache]: Analyzing trace with hash 245741073, now seen corresponding path program 1 times [2024-10-14 03:05:32,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:32,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286902756] [2024-10-14 03:05:32,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:32,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:32,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:32,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:32,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:32,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:32,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:32,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:32,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 03:05:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:32,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 03:05:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:32,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 03:05:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:32,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 03:05:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:32,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 03:05:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:32,953 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:05:32,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:32,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286902756] [2024-10-14 03:05:32,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286902756] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:32,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:32,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:05:32,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540881103] [2024-10-14 03:05:32,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:32,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:05:32,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:32,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:05:32,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:05:32,955 INFO L87 Difference]: Start difference. First operand 923 states and 1571 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:34,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:34,107 INFO L93 Difference]: Finished difference Result 2277 states and 3937 transitions. [2024-10-14 03:05:34,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:05:34,108 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 103 [2024-10-14 03:05:34,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:34,118 INFO L225 Difference]: With dead ends: 2277 [2024-10-14 03:05:34,118 INFO L226 Difference]: Without dead ends: 1472 [2024-10-14 03:05:34,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:05:34,122 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 902 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 917 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 1300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:34,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [917 Valid, 711 Invalid, 1300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 03:05:34,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2024-10-14 03:05:34,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1398. [2024-10-14 03:05:34,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1398 states, 1100 states have (on average 1.6381818181818182) internal successors, (1802), 1107 states have internal predecessors, (1802), 276 states have call successors, (276), 17 states have call predecessors, (276), 21 states have return successors, (307), 275 states have call predecessors, (307), 275 states have call successors, (307) [2024-10-14 03:05:34,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1398 states and 2385 transitions. [2024-10-14 03:05:34,190 INFO L78 Accepts]: Start accepts. Automaton has 1398 states and 2385 transitions. Word has length 103 [2024-10-14 03:05:34,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:34,190 INFO L471 AbstractCegarLoop]: Abstraction has 1398 states and 2385 transitions. [2024-10-14 03:05:34,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:34,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 2385 transitions. [2024-10-14 03:05:34,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-14 03:05:34,196 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:34,197 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:34,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 03:05:34,197 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:34,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:34,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1116781076, now seen corresponding path program 1 times [2024-10-14 03:05:34,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:34,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42498086] [2024-10-14 03:05:34,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:34,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:34,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:34,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:34,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:34,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:34,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:34,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:34,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 03:05:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:34,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 03:05:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:34,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 03:05:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:34,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 03:05:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:34,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 03:05:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:34,308 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:05:34,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:34,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42498086] [2024-10-14 03:05:34,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42498086] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:34,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:34,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:05:34,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154806982] [2024-10-14 03:05:34,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:34,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:05:34,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:34,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:05:34,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:05:34,310 INFO L87 Difference]: Start difference. First operand 1398 states and 2385 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:35,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:35,304 INFO L93 Difference]: Finished difference Result 3339 states and 5815 transitions. [2024-10-14 03:05:35,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:05:35,304 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 104 [2024-10-14 03:05:35,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:35,317 INFO L225 Difference]: With dead ends: 3339 [2024-10-14 03:05:35,317 INFO L226 Difference]: Without dead ends: 2187 [2024-10-14 03:05:35,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:05:35,323 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 900 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 915 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 1287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:35,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [915 Valid, 705 Invalid, 1287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 03:05:35,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2024-10-14 03:05:35,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2113. [2024-10-14 03:05:35,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2113 states, 1692 states have (on average 1.6406619385342789) internal successors, (2776), 1699 states have internal predecessors, (2776), 399 states have call successors, (399), 17 states have call predecessors, (399), 21 states have return successors, (446), 398 states have call predecessors, (446), 398 states have call successors, (446) [2024-10-14 03:05:35,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 2113 states and 3621 transitions. [2024-10-14 03:05:35,430 INFO L78 Accepts]: Start accepts. Automaton has 2113 states and 3621 transitions. Word has length 104 [2024-10-14 03:05:35,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:35,431 INFO L471 AbstractCegarLoop]: Abstraction has 2113 states and 3621 transitions. [2024-10-14 03:05:35,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:35,431 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 3621 transitions. [2024-10-14 03:05:35,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-14 03:05:35,439 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:35,439 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:35,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 03:05:35,439 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:35,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:35,440 INFO L85 PathProgramCache]: Analyzing trace with hash -28986704, now seen corresponding path program 1 times [2024-10-14 03:05:35,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:35,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824436576] [2024-10-14 03:05:35,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:35,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:35,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:35,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:35,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:35,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:35,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:35,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:35,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 03:05:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:35,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 03:05:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:35,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 03:05:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:35,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 03:05:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:35,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 03:05:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:35,545 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:05:35,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:35,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824436576] [2024-10-14 03:05:35,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824436576] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:35,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:35,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:05:35,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333703671] [2024-10-14 03:05:35,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:35,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:05:35,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:35,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:05:35,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:05:35,548 INFO L87 Difference]: Start difference. First operand 2113 states and 3621 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:36,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:36,535 INFO L93 Difference]: Finished difference Result 4981 states and 8728 transitions. [2024-10-14 03:05:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:05:36,536 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 105 [2024-10-14 03:05:36,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:36,556 INFO L225 Difference]: With dead ends: 4981 [2024-10-14 03:05:36,557 INFO L226 Difference]: Without dead ends: 3323 [2024-10-14 03:05:36,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:05:36,565 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 898 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 913 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:36,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [913 Valid, 702 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 03:05:36,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3323 states. [2024-10-14 03:05:36,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3323 to 3249. [2024-10-14 03:05:36,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3249 states, 2649 states have (on average 1.6421291053227633) internal successors, (4350), 2656 states have internal predecessors, (4350), 578 states have call successors, (578), 17 states have call predecessors, (578), 21 states have return successors, (651), 577 states have call predecessors, (651), 577 states have call successors, (651) [2024-10-14 03:05:36,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3249 states to 3249 states and 5579 transitions. [2024-10-14 03:05:36,715 INFO L78 Accepts]: Start accepts. Automaton has 3249 states and 5579 transitions. Word has length 105 [2024-10-14 03:05:36,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:36,716 INFO L471 AbstractCegarLoop]: Abstraction has 3249 states and 5579 transitions. [2024-10-14 03:05:36,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:36,716 INFO L276 IsEmpty]: Start isEmpty. Operand 3249 states and 5579 transitions. [2024-10-14 03:05:36,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-14 03:05:36,724 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:36,724 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:36,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 03:05:36,725 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:36,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:36,725 INFO L85 PathProgramCache]: Analyzing trace with hash -391093768, now seen corresponding path program 1 times [2024-10-14 03:05:36,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:36,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669013648] [2024-10-14 03:05:36,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:36,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 03:05:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 03:05:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 03:05:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 03:05:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 03:05:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:36,845 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:05:36,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:36,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669013648] [2024-10-14 03:05:36,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669013648] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:36,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:36,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:05:36,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632181773] [2024-10-14 03:05:36,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:36,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:05:36,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:36,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:05:36,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:05:36,848 INFO L87 Difference]: Start difference. First operand 3249 states and 5579 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:37,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:37,983 INFO L93 Difference]: Finished difference Result 7936 states and 13926 transitions. [2024-10-14 03:05:37,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:05:37,984 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 106 [2024-10-14 03:05:37,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:38,015 INFO L225 Difference]: With dead ends: 7936 [2024-10-14 03:05:38,016 INFO L226 Difference]: Without dead ends: 5381 [2024-10-14 03:05:38,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:05:38,027 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 896 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 911 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:38,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [911 Valid, 754 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 1039 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 03:05:38,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5381 states. [2024-10-14 03:05:38,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5381 to 5307. [2024-10-14 03:05:38,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5307 states, 4331 states have (on average 1.6331101362271994) internal successors, (7073), 4338 states have internal predecessors, (7073), 954 states have call successors, (954), 17 states have call predecessors, (954), 21 states have return successors, (1071), 953 states have call predecessors, (1071), 953 states have call successors, (1071) [2024-10-14 03:05:38,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5307 states to 5307 states and 9098 transitions. [2024-10-14 03:05:38,384 INFO L78 Accepts]: Start accepts. Automaton has 5307 states and 9098 transitions. Word has length 106 [2024-10-14 03:05:38,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:38,384 INFO L471 AbstractCegarLoop]: Abstraction has 5307 states and 9098 transitions. [2024-10-14 03:05:38,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:38,385 INFO L276 IsEmpty]: Start isEmpty. Operand 5307 states and 9098 transitions. [2024-10-14 03:05:38,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-14 03:05:38,399 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:38,399 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:38,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 03:05:38,400 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:38,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:38,400 INFO L85 PathProgramCache]: Analyzing trace with hash -784012596, now seen corresponding path program 1 times [2024-10-14 03:05:38,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:38,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444240923] [2024-10-14 03:05:38,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:38,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:38,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:38,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:38,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:38,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:38,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:38,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:38,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 03:05:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:38,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 03:05:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:38,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 03:05:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:38,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 03:05:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:38,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 03:05:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:38,507 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:05:38,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:38,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444240923] [2024-10-14 03:05:38,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444240923] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:38,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:38,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:05:38,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131403824] [2024-10-14 03:05:38,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:38,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:05:38,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:38,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:05:38,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:05:38,509 INFO L87 Difference]: Start difference. First operand 5307 states and 9098 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:39,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:39,649 INFO L93 Difference]: Finished difference Result 13141 states and 23010 transitions. [2024-10-14 03:05:39,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:05:39,649 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 107 [2024-10-14 03:05:39,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:39,705 INFO L225 Difference]: With dead ends: 13141 [2024-10-14 03:05:39,705 INFO L226 Difference]: Without dead ends: 8914 [2024-10-14 03:05:39,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:05:39,726 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 894 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 984 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 909 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:39,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [909 Valid, 709 Invalid, 1290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 984 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 03:05:39,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8914 states. [2024-10-14 03:05:40,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8914 to 8840. [2024-10-14 03:05:40,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8840 states, 7258 states have (on average 1.6299255993386608) internal successors, (11830), 7265 states have internal predecessors, (11830), 1560 states have call successors, (1560), 17 states have call predecessors, (1560), 21 states have return successors, (1755), 1559 states have call predecessors, (1755), 1559 states have call successors, (1755) [2024-10-14 03:05:40,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8840 states to 8840 states and 15145 transitions. [2024-10-14 03:05:40,154 INFO L78 Accepts]: Start accepts. Automaton has 8840 states and 15145 transitions. Word has length 107 [2024-10-14 03:05:40,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:40,155 INFO L471 AbstractCegarLoop]: Abstraction has 8840 states and 15145 transitions. [2024-10-14 03:05:40,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:40,158 INFO L276 IsEmpty]: Start isEmpty. Operand 8840 states and 15145 transitions. [2024-10-14 03:05:40,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-14 03:05:40,176 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:40,176 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:40,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 03:05:40,176 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:40,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:40,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1264507050, now seen corresponding path program 1 times [2024-10-14 03:05:40,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:40,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823465084] [2024-10-14 03:05:40,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:40,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 03:05:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 03:05:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 03:05:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 03:05:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 03:05:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:40,338 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:05:40,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:40,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823465084] [2024-10-14 03:05:40,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823465084] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:40,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:40,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:05:40,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063505674] [2024-10-14 03:05:40,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:40,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:05:40,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:40,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:05:40,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:05:40,342 INFO L87 Difference]: Start difference. First operand 8840 states and 15145 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:41,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:41,610 INFO L93 Difference]: Finished difference Result 22913 states and 40039 transitions. [2024-10-14 03:05:41,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:05:41,611 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 108 [2024-10-14 03:05:41,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:41,682 INFO L225 Difference]: With dead ends: 22913 [2024-10-14 03:05:41,682 INFO L226 Difference]: Without dead ends: 15586 [2024-10-14 03:05:41,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:05:41,716 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 892 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 907 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 1338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:41,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [907 Valid, 735 Invalid, 1338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 1032 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 03:05:41,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15586 states. [2024-10-14 03:05:42,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15586 to 15512. [2024-10-14 03:05:42,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15512 states, 12727 states have (on average 1.620099002121474) internal successors, (20619), 12734 states have internal predecessors, (20619), 2763 states have call successors, (2763), 17 states have call predecessors, (2763), 21 states have return successors, (3102), 2762 states have call predecessors, (3102), 2762 states have call successors, (3102) [2024-10-14 03:05:42,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15512 states to 15512 states and 26484 transitions. [2024-10-14 03:05:42,398 INFO L78 Accepts]: Start accepts. Automaton has 15512 states and 26484 transitions. Word has length 108 [2024-10-14 03:05:42,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:42,399 INFO L471 AbstractCegarLoop]: Abstraction has 15512 states and 26484 transitions. [2024-10-14 03:05:42,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:42,399 INFO L276 IsEmpty]: Start isEmpty. Operand 15512 states and 26484 transitions. [2024-10-14 03:05:42,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-14 03:05:42,419 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:42,419 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:42,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 03:05:42,419 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:42,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:42,420 INFO L85 PathProgramCache]: Analyzing trace with hash -293998645, now seen corresponding path program 1 times [2024-10-14 03:05:42,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:42,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447191553] [2024-10-14 03:05:42,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:42,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 03:05:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 03:05:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 03:05:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 03:05:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 03:05:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:42,520 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:05:42,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:42,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447191553] [2024-10-14 03:05:42,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447191553] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:42,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:42,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:05:42,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093612710] [2024-10-14 03:05:42,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:42,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:05:42,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:42,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:05:42,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:05:42,522 INFO L87 Difference]: Start difference. First operand 15512 states and 26484 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:43,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:43,913 INFO L93 Difference]: Finished difference Result 41080 states and 71637 transitions. [2024-10-14 03:05:43,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:05:43,914 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 109 [2024-10-14 03:05:43,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:44,040 INFO L225 Difference]: With dead ends: 41080 [2024-10-14 03:05:44,040 INFO L226 Difference]: Without dead ends: 27701 [2024-10-14 03:05:44,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:05:44,089 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 890 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 905 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 1300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:44,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [905 Valid, 706 Invalid, 1300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 993 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 03:05:44,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27701 states. [2024-10-14 03:05:45,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27701 to 27627. [2024-10-14 03:05:45,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27627 states, 22803 states have (on average 1.6158400210498618) internal successors, (36846), 22810 states have internal predecessors, (36846), 4802 states have call successors, (4802), 17 states have call predecessors, (4802), 21 states have return successors, (5415), 4801 states have call predecessors, (5415), 4801 states have call successors, (5415) [2024-10-14 03:05:45,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27627 states to 27627 states and 47063 transitions. [2024-10-14 03:05:45,556 INFO L78 Accepts]: Start accepts. Automaton has 27627 states and 47063 transitions. Word has length 109 [2024-10-14 03:05:45,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:45,557 INFO L471 AbstractCegarLoop]: Abstraction has 27627 states and 47063 transitions. [2024-10-14 03:05:45,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:45,557 INFO L276 IsEmpty]: Start isEmpty. Operand 27627 states and 47063 transitions. [2024-10-14 03:05:45,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-14 03:05:45,582 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:45,582 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:45,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 03:05:45,582 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:45,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:45,583 INFO L85 PathProgramCache]: Analyzing trace with hash 539164756, now seen corresponding path program 1 times [2024-10-14 03:05:45,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:45,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711293533] [2024-10-14 03:05:45,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:45,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:45,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:45,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:45,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:45,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:45,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:45,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:45,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 03:05:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:45,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 03:05:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:45,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 03:05:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:45,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 03:05:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:45,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 03:05:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:45,689 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:05:45,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:45,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711293533] [2024-10-14 03:05:45,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711293533] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:45,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:45,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:05:45,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392288268] [2024-10-14 03:05:45,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:45,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:05:45,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:45,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:05:45,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:05:45,692 INFO L87 Difference]: Start difference. First operand 27627 states and 47063 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:47,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:47,675 INFO L93 Difference]: Finished difference Result 75272 states and 130431 transitions. [2024-10-14 03:05:47,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:05:47,676 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 110 [2024-10-14 03:05:47,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:47,922 INFO L225 Difference]: With dead ends: 75272 [2024-10-14 03:05:47,922 INFO L226 Difference]: Without dead ends: 50525 [2024-10-14 03:05:48,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:05:48,004 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 888 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 987 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 903 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:48,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [903 Valid, 709 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 987 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 03:05:48,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50525 states. [2024-10-14 03:05:50,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50525 to 50451. [2024-10-14 03:05:50,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50451 states, 41912 states have (on average 1.6103741171979384) internal successors, (67494), 41919 states have internal predecessors, (67494), 8517 states have call successors, (8517), 17 states have call predecessors, (8517), 21 states have return successors, (9662), 8516 states have call predecessors, (9662), 8516 states have call successors, (9662) [2024-10-14 03:05:50,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50451 states to 50451 states and 85673 transitions. [2024-10-14 03:05:50,514 INFO L78 Accepts]: Start accepts. Automaton has 50451 states and 85673 transitions. Word has length 110 [2024-10-14 03:05:50,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:50,514 INFO L471 AbstractCegarLoop]: Abstraction has 50451 states and 85673 transitions. [2024-10-14 03:05:50,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:50,515 INFO L276 IsEmpty]: Start isEmpty. Operand 50451 states and 85673 transitions. [2024-10-14 03:05:50,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-14 03:05:50,548 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:50,549 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:50,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-14 03:05:50,549 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:50,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:50,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1870050955, now seen corresponding path program 1 times [2024-10-14 03:05:50,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:50,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876181698] [2024-10-14 03:05:50,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:50,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 03:05:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 03:05:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 03:05:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 03:05:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 03:05:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:50,658 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:05:50,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:50,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876181698] [2024-10-14 03:05:50,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876181698] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:50,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:50,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:05:50,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612844995] [2024-10-14 03:05:50,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:50,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:05:50,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:50,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:05:50,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:05:50,661 INFO L87 Difference]: Start difference. First operand 50451 states and 85673 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:53,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:05:53,895 INFO L93 Difference]: Finished difference Result 94019 states and 163337 transitions. [2024-10-14 03:05:53,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 03:05:53,895 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 111 [2024-10-14 03:05:53,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:05:54,380 INFO L225 Difference]: With dead ends: 94019 [2024-10-14 03:05:54,380 INFO L226 Difference]: Without dead ends: 93905 [2024-10-14 03:05:54,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:05:54,430 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 883 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 1009 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 897 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 1307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 1009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 03:05:54,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [897 Valid, 718 Invalid, 1307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 1009 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 03:05:54,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93905 states. [2024-10-14 03:05:57,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93905 to 93831. [2024-10-14 03:05:58,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93831 states, 78493 states have (on average 1.6034805651459365) internal successors, (125862), 78500 states have internal predecessors, (125862), 15316 states have call successors, (15316), 17 states have call predecessors, (15316), 21 states have return successors, (17507), 15315 states have call predecessors, (17507), 15315 states have call successors, (17507) [2024-10-14 03:05:58,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93831 states to 93831 states and 158685 transitions. [2024-10-14 03:05:58,563 INFO L78 Accepts]: Start accepts. Automaton has 93831 states and 158685 transitions. Word has length 111 [2024-10-14 03:05:58,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:05:58,563 INFO L471 AbstractCegarLoop]: Abstraction has 93831 states and 158685 transitions. [2024-10-14 03:05:58,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-14 03:05:58,564 INFO L276 IsEmpty]: Start isEmpty. Operand 93831 states and 158685 transitions. [2024-10-14 03:05:58,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-14 03:05:58,588 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:05:58,588 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:05:58,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 03:05:58,588 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:05:58,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:05:58,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1497105365, now seen corresponding path program 1 times [2024-10-14 03:05:58,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:05:58,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089958309] [2024-10-14 03:05:58,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:05:58,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:05:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:58,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:05:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:58,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:05:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:58,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:05:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:58,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:05:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:58,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:05:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:58,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:05:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:58,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 03:05:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:58,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 03:05:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:59,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 03:05:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:59,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 03:05:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:59,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 03:05:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:05:59,072 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:05:59,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:05:59,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089958309] [2024-10-14 03:05:59,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089958309] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:05:59,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:05:59,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-14 03:05:59,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249301733] [2024-10-14 03:05:59,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:05:59,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-14 03:05:59,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:05:59,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-14 03:05:59,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2024-10-14 03:05:59,075 INFO L87 Difference]: Start difference. First operand 93831 states and 158685 transitions. Second operand has 16 states, 15 states have (on average 5.0) internal successors, (75), 10 states have internal predecessors, (75), 5 states have call successors, (13), 7 states have call predecessors, (13), 3 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-14 03:06:07,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:06:07,218 INFO L93 Difference]: Finished difference Result 187155 states and 328514 transitions. [2024-10-14 03:06:07,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-14 03:06:07,219 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.0) internal successors, (75), 10 states have internal predecessors, (75), 5 states have call successors, (13), 7 states have call predecessors, (13), 3 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) Word has length 112 [2024-10-14 03:06:07,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:06:08,337 INFO L225 Difference]: With dead ends: 187155 [2024-10-14 03:06:08,338 INFO L226 Difference]: Without dead ends: 187046 [2024-10-14 03:06:08,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 949 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=648, Invalid=2544, Unknown=0, NotChecked=0, Total=3192 [2024-10-14 03:06:08,401 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 2700 mSDsluCounter, 1973 mSDsCounter, 0 mSdLazyCounter, 4939 mSolverCounterSat, 760 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2711 SdHoareTripleChecker+Valid, 2185 SdHoareTripleChecker+Invalid, 5699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 760 IncrementalHoareTripleChecker+Valid, 4939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:06:08,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2711 Valid, 2185 Invalid, 5699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [760 Valid, 4939 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-14 03:06:08,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187046 states. [2024-10-14 03:06:15,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187046 to 186827. [2024-10-14 03:06:15,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186827 states, 156357 states have (on average 1.6044500725902902) internal successors, (250867), 156260 states have internal predecessors, (250867), 30417 states have call successors, (30417), 44 states have call predecessors, (30417), 52 states have return successors, (38073), 30528 states have call predecessors, (38073), 30414 states have call successors, (38073) [2024-10-14 03:06:16,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186827 states to 186827 states and 319357 transitions. [2024-10-14 03:06:16,345 INFO L78 Accepts]: Start accepts. Automaton has 186827 states and 319357 transitions. Word has length 112 [2024-10-14 03:06:16,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:06:16,345 INFO L471 AbstractCegarLoop]: Abstraction has 186827 states and 319357 transitions. [2024-10-14 03:06:16,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.0) internal successors, (75), 10 states have internal predecessors, (75), 5 states have call successors, (13), 7 states have call predecessors, (13), 3 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2024-10-14 03:06:16,346 INFO L276 IsEmpty]: Start isEmpty. Operand 186827 states and 319357 transitions. [2024-10-14 03:06:17,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-14 03:06:17,115 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:06:17,115 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:06:17,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-14 03:06:17,119 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 03:06:17,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:06:17,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1706133864, now seen corresponding path program 1 times [2024-10-14 03:06:17,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:06:17,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315802936] [2024-10-14 03:06:17,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:06:17,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:06:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:17,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 03:06:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:17,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 03:06:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:17,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 03:06:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:17,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 03:06:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:17,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-14 03:06:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:17,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 03:06:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:17,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 03:06:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:17,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 03:06:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:17,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 03:06:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:17,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 03:06:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:17,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 03:06:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:06:17,479 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-14 03:06:17,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:06:17,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315802936] [2024-10-14 03:06:17,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315802936] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:06:17,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:06:17,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 03:06:17,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710328842] [2024-10-14 03:06:17,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:06:17,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 03:06:17,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:06:17,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 03:06:17,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:06:17,482 INFO L87 Difference]: Start difference. First operand 186827 states and 319357 transitions. Second operand has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 6 states have internal predecessors, (76), 4 states have call successors, (13), 7 states have call predecessors, (13), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11)