./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_spec0_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product24.cil.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 b453d764da4cb622a1911439b5a79bae9155e32b42a83c5d4472e5a8d62a8d39 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 02:40:55,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 02:40:55,488 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 02:40:55,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 02:40:55,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 02:40:55,512 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 02:40:55,512 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 02:40:55,513 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 02:40:55,513 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 02:40:55,514 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 02:40:55,514 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 02:40:55,514 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 02:40:55,515 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 02:40:55,515 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 02:40:55,515 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 02:40:55,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 02:40:55,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 02:40:55,516 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 02:40:55,516 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 02:40:55,517 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 02:40:55,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 02:40:55,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 02:40:55,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 02:40:55,518 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 02:40:55,518 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 02:40:55,519 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 02:40:55,519 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 02:40:55,519 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 02:40:55,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 02:40:55,520 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 02:40:55,520 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 02:40:55,520 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 02:40:55,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:40:55,521 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 02:40:55,521 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 02:40:55,521 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 02:40:55,521 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 02:40:55,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 02:40:55,522 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 02:40:55,522 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 02:40:55,522 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 02:40:55,523 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 02:40:55,523 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b453d764da4cb622a1911439b5a79bae9155e32b42a83c5d4472e5a8d62a8d39 [2024-10-11 02:40:55,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 02:40:55,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 02:40:55,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 02:40:55,757 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 02:40:55,757 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 02:40:55,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product24.cil.c [2024-10-11 02:40:57,015 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 02:40:57,249 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 02:40:57,250 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product24.cil.c [2024-10-11 02:40:57,275 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0940d753d/987858bee2d248cdacb63bc25272998a/FLAG8abd257bd [2024-10-11 02:40:57,587 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0940d753d/987858bee2d248cdacb63bc25272998a [2024-10-11 02:40:57,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 02:40:57,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 02:40:57,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 02:40:57,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 02:40:57,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 02:40:57,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:40:57" (1/1) ... [2024-10-11 02:40:57,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ed99016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:40:57, skipping insertion in model container [2024-10-11 02:40:57,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:40:57" (1/1) ... [2024-10-11 02:40:57,650 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 02:40:58,047 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_spec0_product24.cil.c[25283,25296] [2024-10-11 02:40:58,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:40:58,177 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 02:40:58,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [48] [2024-10-11 02:40:58,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [460] [2024-10-11 02:40:58,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [689] [2024-10-11 02:40:58,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1036] [2024-10-11 02:40:58,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1332] [2024-10-11 02:40:58,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1341] [2024-10-11 02:40:58,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1707] [2024-10-11 02:40:58,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"DecryptForward_spec.i","") [1803] [2024-10-11 02:40:58,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1822] [2024-10-11 02:40:58,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1857] [2024-10-11 02:40:58,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2922] [2024-10-11 02:40:58,224 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_spec0_product24.cil.c[25283,25296] [2024-10-11 02:40:58,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:40:58,303 INFO L204 MainTranslator]: Completed translation [2024-10-11 02:40:58,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:40:58 WrapperNode [2024-10-11 02:40:58,304 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 02:40:58,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 02:40:58,304 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 02:40:58,304 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 02:40:58,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:40:58" (1/1) ... [2024-10-11 02:40:58,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:40:58" (1/1) ... [2024-10-11 02:40:58,380 INFO L138 Inliner]: procedures = 130, calls = 192, calls flagged for inlining = 64, calls inlined = 59, statements flattened = 1055 [2024-10-11 02:40:58,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 02:40:58,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 02:40:58,381 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 02:40:58,381 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 02:40:58,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:40:58" (1/1) ... [2024-10-11 02:40:58,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:40:58" (1/1) ... [2024-10-11 02:40:58,396 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:40:58" (1/1) ... [2024-10-11 02:40:58,423 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]. [2024-10-11 02:40:58,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:40:58" (1/1) ... [2024-10-11 02:40:58,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:40:58" (1/1) ... [2024-10-11 02:40:58,437 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:40:58" (1/1) ... [2024-10-11 02:40:58,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:40:58" (1/1) ... [2024-10-11 02:40:58,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:40:58" (1/1) ... [2024-10-11 02:40:58,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:40:58" (1/1) ... [2024-10-11 02:40:58,473 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 02:40:58,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 02:40:58,478 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 02:40:58,478 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 02:40:58,479 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:40:58" (1/1) ... [2024-10-11 02:40:58,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:40:58,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:40:58,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 02:40:58,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 02:40:58,560 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-11 02:40:58,561 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-11 02:40:58,561 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-11 02:40:58,561 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-11 02:40:58,561 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-10-11 02:40:58,561 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-10-11 02:40:58,561 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-11 02:40:58,562 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-11 02:40:58,562 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-10-11 02:40:58,562 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-10-11 02:40:58,563 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-11 02:40:58,563 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-11 02:40:58,563 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-11 02:40:58,564 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-11 02:40:58,564 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-10-11 02:40:58,564 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-10-11 02:40:58,564 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-11 02:40:58,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-11 02:40:58,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 02:40:58,565 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-10-11 02:40:58,565 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-10-11 02:40:58,565 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-11 02:40:58,565 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-11 02:40:58,566 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-11 02:40:58,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-11 02:40:58,566 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-11 02:40:58,566 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-11 02:40:58,566 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-11 02:40:58,566 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-11 02:40:58,566 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-11 02:40:58,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-11 02:40:58,566 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-11 02:40:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-11 02:40:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 02:40:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 02:40:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 02:40:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 02:40:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-11 02:40:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-11 02:40:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 02:40:58,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 02:40:58,713 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 02:40:58,716 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 02:40:59,353 INFO L? ?]: Removed 457 outVars from TransFormulas that were not future-live. [2024-10-11 02:40:59,354 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 02:40:59,409 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 02:40:59,411 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 02:40:59,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:40:59 BoogieIcfgContainer [2024-10-11 02:40:59,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 02:40:59,413 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 02:40:59,413 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 02:40:59,416 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 02:40:59,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:40:57" (1/3) ... [2024-10-11 02:40:59,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cab04a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:40:59, skipping insertion in model container [2024-10-11 02:40:59,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:40:58" (2/3) ... [2024-10-11 02:40:59,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cab04a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:40:59, skipping insertion in model container [2024-10-11 02:40:59,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:40:59" (3/3) ... [2024-10-11 02:40:59,419 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product24.cil.c [2024-10-11 02:40:59,431 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 02:40:59,432 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 02:40:59,497 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 02:40:59,505 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;@5330d356, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 02:40:59,506 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 02:40:59,512 INFO L276 IsEmpty]: Start isEmpty. Operand has 292 states, 227 states have (on average 1.5991189427312775) internal successors, (363), 229 states have internal predecessors, (363), 46 states have call successors, (46), 17 states have call predecessors, (46), 17 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-11 02:40:59,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-11 02:40:59,525 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:40:59,526 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:40:59,526 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:40:59,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:40:59,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1066125170, now seen corresponding path program 1 times [2024-10-11 02:40:59,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:40:59,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494747940] [2024-10-11 02:40:59,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:40:59,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:40:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:00,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:41:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:00,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:41:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:00,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:41:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:00,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:41:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:00,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:41:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:00,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:41:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:00,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 02:41:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:00,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 02:41:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:00,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 02:41:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:00,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 02:41:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:00,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 02:41:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:00,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 02:41:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:00,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:41:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:00,193 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 02:41:00,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:41:00,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494747940] [2024-10-11 02:41:00,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494747940] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:41:00,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453968691] [2024-10-11 02:41:00,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:00,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:41:00,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:41:00,197 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:41:00,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 02:41:00,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:00,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 992 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 02:41:00,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:41:00,499 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-11 02:41:00,499 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:41:00,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453968691] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:41:00,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:41:00,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-11 02:41:00,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762060031] [2024-10-11 02:41:00,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:41:00,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 02:41:00,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:41:00,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 02:41:00,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:41:00,533 INFO L87 Difference]: Start difference. First operand has 292 states, 227 states have (on average 1.5991189427312775) internal successors, (363), 229 states have internal predecessors, (363), 46 states have call successors, (46), 17 states have call predecessors, (46), 17 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:00,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:41:00,623 INFO L93 Difference]: Finished difference Result 435 states and 666 transitions. [2024-10-11 02:41:00,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 02:41:00,627 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 98 [2024-10-11 02:41:00,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:41:00,637 INFO L225 Difference]: With dead ends: 435 [2024-10-11 02:41:00,637 INFO L226 Difference]: Without dead ends: 289 [2024-10-11 02:41:00,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:41:00,643 INFO L432 NwaCegarLoop]: 434 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:41:00,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 434 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:41:00,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-10-11 02:41:00,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2024-10-11 02:41:00,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 225 states have (on average 1.5822222222222222) internal successors, (356), 226 states have internal predecessors, (356), 46 states have call successors, (46), 17 states have call predecessors, (46), 17 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-11 02:41:00,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 447 transitions. [2024-10-11 02:41:00,692 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 447 transitions. Word has length 98 [2024-10-11 02:41:00,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:41:00,693 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 447 transitions. [2024-10-11 02:41:00,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:00,693 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 447 transitions. [2024-10-11 02:41:00,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-11 02:41:00,697 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:41:00,697 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:41:00,715 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 02:41:00,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-11 02:41:00,899 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:41:00,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:41:00,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1766991533, now seen corresponding path program 1 times [2024-10-11 02:41:00,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:41:00,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418492462] [2024-10-11 02:41:00,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:00,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:41:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:01,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:41:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:01,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:41:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:01,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:41:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:01,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:41:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:01,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:41:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:01,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:41:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:01,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 02:41:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:01,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 02:41:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:01,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 02:41:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:01,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:41:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:01,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:41:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:01,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 02:41:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:01,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 02:41:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:01,173 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 02:41:01,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:41:01,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418492462] [2024-10-11 02:41:01,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418492462] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:41:01,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306522783] [2024-10-11 02:41:01,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:01,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:41:01,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:41:01,181 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:41:01,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 02:41:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:01,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 993 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 02:41:01,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:41:01,452 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-11 02:41:01,452 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:41:01,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306522783] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:41:01,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:41:01,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-11 02:41:01,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977310320] [2024-10-11 02:41:01,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:41:01,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:41:01,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:41:01,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:41:01,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:41:01,455 INFO L87 Difference]: Start difference. First operand 289 states and 447 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, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:01,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:41:01,538 INFO L93 Difference]: Finished difference Result 431 states and 653 transitions. [2024-10-11 02:41:01,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:41:01,539 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, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 99 [2024-10-11 02:41:01,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:41:01,542 INFO L225 Difference]: With dead ends: 431 [2024-10-11 02:41:01,544 INFO L226 Difference]: Without dead ends: 291 [2024-10-11 02:41:01,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:41:01,548 INFO L432 NwaCegarLoop]: 431 mSDtfsCounter, 0 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:41:01,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 861 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 02:41:01,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-10-11 02:41:01,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2024-10-11 02:41:01,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 227 states have (on average 1.577092511013216) internal successors, (358), 228 states have internal predecessors, (358), 46 states have call successors, (46), 17 states have call predecessors, (46), 17 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-11 02:41:01,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 449 transitions. [2024-10-11 02:41:01,578 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 449 transitions. Word has length 99 [2024-10-11 02:41:01,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:41:01,579 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 449 transitions. [2024-10-11 02:41:01,579 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, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:01,579 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 449 transitions. [2024-10-11 02:41:01,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-11 02:41:01,584 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:41:01,585 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:41:01,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 02:41:01,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:41:01,786 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:41:01,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:41:01,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1352094134, now seen corresponding path program 1 times [2024-10-11 02:41:01,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:41:01,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901717328] [2024-10-11 02:41:01,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:01,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:41:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:01,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:41:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:01,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:41:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:01,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:41:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:01,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:41:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:01,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:41:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:01,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:41:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:01,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 02:41:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:02,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 02:41:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:02,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:41:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:02,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:41:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:02,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 02:41:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:02,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 02:41:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:02,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 02:41:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:02,030 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:41:02,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:41:02,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901717328] [2024-10-11 02:41:02,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901717328] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:41:02,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279040205] [2024-10-11 02:41:02,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:02,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:41:02,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:41:02,034 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:41:02,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 02:41:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:02,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 1017 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 02:41:02,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:41:02,273 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-11 02:41:02,275 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:41:02,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279040205] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:41:02,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:41:02,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-11 02:41:02,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889908954] [2024-10-11 02:41:02,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:41:02,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:41:02,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:41:02,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:41:02,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:41:02,278 INFO L87 Difference]: Start difference. First operand 291 states and 449 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:02,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:41:02,335 INFO L93 Difference]: Finished difference Result 616 states and 964 transitions. [2024-10-11 02:41:02,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:41:02,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 106 [2024-10-11 02:41:02,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:41:02,339 INFO L225 Difference]: With dead ends: 616 [2024-10-11 02:41:02,339 INFO L226 Difference]: Without dead ends: 347 [2024-10-11 02:41:02,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 02:41:02,341 INFO L432 NwaCegarLoop]: 448 mSDtfsCounter, 109 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:41:02,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 836 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:41:02,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-10-11 02:41:02,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 342. [2024-10-11 02:41:02,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 267 states have (on average 1.591760299625468) internal successors, (425), 268 states have internal predecessors, (425), 57 states have call successors, (57), 17 states have call predecessors, (57), 17 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-10-11 02:41:02,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 538 transitions. [2024-10-11 02:41:02,360 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 538 transitions. Word has length 106 [2024-10-11 02:41:02,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:41:02,360 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 538 transitions. [2024-10-11 02:41:02,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:02,361 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 538 transitions. [2024-10-11 02:41:02,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-11 02:41:02,362 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:41:02,363 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:41:02,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 02:41:02,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:41:02,564 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:41:02,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:41:02,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1457005129, now seen corresponding path program 1 times [2024-10-11 02:41:02,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:41:02,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470755734] [2024-10-11 02:41:02,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:02,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:41:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:02,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:41:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:02,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:41:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:02,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:41:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:02,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 02:41:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:02,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 02:41:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:02,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 02:41:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:02,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 02:41:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:02,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 02:41:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:02,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:41:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:02,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:41:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:02,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 02:41:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:02,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 02:41:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:02,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 02:41:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:02,728 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:41:02,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:41:02,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470755734] [2024-10-11 02:41:02,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470755734] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:41:02,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728416867] [2024-10-11 02:41:02,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:02,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:41:02,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:41:02,730 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:41:02,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 02:41:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:02,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 02:41:02,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:41:03,001 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-11 02:41:03,001 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:41:03,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728416867] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:41:03,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:41:03,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-11 02:41:03,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178790385] [2024-10-11 02:41:03,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:41:03,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 02:41:03,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:41:03,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 02:41:03,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:41:03,003 INFO L87 Difference]: Start difference. First operand 342 states and 538 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-11 02:41:03,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:41:03,078 INFO L93 Difference]: Finished difference Result 679 states and 1070 transitions. [2024-10-11 02:41:03,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 02:41:03,079 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 107 [2024-10-11 02:41:03,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:41:03,082 INFO L225 Difference]: With dead ends: 679 [2024-10-11 02:41:03,082 INFO L226 Difference]: Without dead ends: 344 [2024-10-11 02:41:03,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:41:03,083 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 2 mSDsluCounter, 1258 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1681 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:41:03,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1681 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 02:41:03,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-10-11 02:41:03,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2024-10-11 02:41:03,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 268 states have (on average 1.5895522388059702) internal successors, (426), 270 states have internal predecessors, (426), 57 states have call successors, (57), 17 states have call predecessors, (57), 18 states have return successors, (58), 56 states have call predecessors, (58), 56 states have call successors, (58) [2024-10-11 02:41:03,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 541 transitions. [2024-10-11 02:41:03,097 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 541 transitions. Word has length 107 [2024-10-11 02:41:03,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:41:03,097 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 541 transitions. [2024-10-11 02:41:03,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-11 02:41:03,098 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 541 transitions. [2024-10-11 02:41:03,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-11 02:41:03,099 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:41:03,099 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:41:03,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-11 02:41:03,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:41:03,300 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:41:03,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:41:03,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1123160546, now seen corresponding path program 1 times [2024-10-11 02:41:03,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:41:03,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795286790] [2024-10-11 02:41:03,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:03,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:41:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:03,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:41:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:03,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:41:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:03,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:41:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:03,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:41:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:03,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 02:41:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:03,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 02:41:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:03,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 02:41:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:03,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 02:41:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:03,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:41:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:03,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 02:41:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:03,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 02:41:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:03,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 02:41:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:03,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 02:41:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:03,486 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 02:41:03,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:41:03,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795286790] [2024-10-11 02:41:03,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795286790] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:41:03,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784082885] [2024-10-11 02:41:03,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:03,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:41:03,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:41:03,489 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:41:03,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 02:41:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:03,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 02:41:03,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:41:03,779 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-11 02:41:03,779 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:41:03,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784082885] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:41:03,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:41:03,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-11 02:41:03,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823045910] [2024-10-11 02:41:03,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:41:03,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 02:41:03,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:41:03,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 02:41:03,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-11 02:41:03,781 INFO L87 Difference]: Start difference. First operand 344 states and 541 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-11 02:41:03,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:41:03,874 INFO L93 Difference]: Finished difference Result 681 states and 1075 transitions. [2024-10-11 02:41:03,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 02:41:03,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 108 [2024-10-11 02:41:03,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:41:03,877 INFO L225 Difference]: With dead ends: 681 [2024-10-11 02:41:03,877 INFO L226 Difference]: Without dead ends: 346 [2024-10-11 02:41:03,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-11 02:41:03,880 INFO L432 NwaCegarLoop]: 421 mSDtfsCounter, 2 mSDsluCounter, 1246 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1667 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:41:03,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1667 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 02:41:03,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-10-11 02:41:03,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2024-10-11 02:41:03,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 269 states have (on average 1.587360594795539) internal successors, (427), 272 states have internal predecessors, (427), 57 states have call successors, (57), 17 states have call predecessors, (57), 19 states have return successors, (63), 56 states have call predecessors, (63), 56 states have call successors, (63) [2024-10-11 02:41:03,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 547 transitions. [2024-10-11 02:41:03,898 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 547 transitions. Word has length 108 [2024-10-11 02:41:03,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:41:03,899 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 547 transitions. [2024-10-11 02:41:03,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-11 02:41:03,899 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 547 transitions. [2024-10-11 02:41:03,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-11 02:41:03,901 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:41:03,901 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:41:03,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 02:41:04,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:41:04,102 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:41:04,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:41:04,102 INFO L85 PathProgramCache]: Analyzing trace with hash -950473715, now seen corresponding path program 1 times [2024-10-11 02:41:04,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:41:04,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865902949] [2024-10-11 02:41:04,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:04,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:41:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:04,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:41:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:04,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:41:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:04,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:41:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:04,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:41:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:04,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:41:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:04,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 02:41:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:04,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 02:41:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:04,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 02:41:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:04,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 02:41:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:04,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 02:41:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:04,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:41:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:04,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 02:41:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:04,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 02:41:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:04,257 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:41:04,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:41:04,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865902949] [2024-10-11 02:41:04,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865902949] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:41:04,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:41:04,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 02:41:04,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52946593] [2024-10-11 02:41:04,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:41:04,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 02:41:04,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:41:04,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 02:41:04,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:41:04,259 INFO L87 Difference]: Start difference. First operand 346 states and 547 transitions. Second operand has 9 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-11 02:41:05,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:41:05,964 INFO L93 Difference]: Finished difference Result 844 states and 1347 transitions. [2024-10-11 02:41:05,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 02:41:05,965 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 109 [2024-10-11 02:41:05,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:41:05,968 INFO L225 Difference]: With dead ends: 844 [2024-10-11 02:41:05,968 INFO L226 Difference]: Without dead ends: 517 [2024-10-11 02:41:05,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-11 02:41:05,970 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 995 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 2465 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 996 SdHoareTripleChecker+Valid, 1015 SdHoareTripleChecker+Invalid, 2772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 2465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-11 02:41:05,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [996 Valid, 1015 Invalid, 2772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 2465 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-11 02:41:05,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-10-11 02:41:06,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 346. [2024-10-11 02:41:06,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 269 states have (on average 1.587360594795539) internal successors, (427), 272 states have internal predecessors, (427), 57 states have call successors, (57), 17 states have call predecessors, (57), 19 states have return successors, (62), 56 states have call predecessors, (62), 56 states have call successors, (62) [2024-10-11 02:41:06,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 546 transitions. [2024-10-11 02:41:06,004 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 546 transitions. Word has length 109 [2024-10-11 02:41:06,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:41:06,005 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 546 transitions. [2024-10-11 02:41:06,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-11 02:41:06,005 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 546 transitions. [2024-10-11 02:41:06,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-11 02:41:06,011 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:41:06,011 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:41:06,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 02:41:06,012 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:41:06,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:41:06,012 INFO L85 PathProgramCache]: Analyzing trace with hash -94936170, now seen corresponding path program 2 times [2024-10-11 02:41:06,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:41:06,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595657434] [2024-10-11 02:41:06,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:06,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:41:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:06,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:41:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:06,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:41:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:06,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:41:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:06,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:41:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:06,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:41:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:06,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 02:41:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:06,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 02:41:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:06,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 02:41:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:06,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 02:41:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:06,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 02:41:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:06,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 02:41:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:06,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 02:41:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:06,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 02:41:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:06,208 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:41:06,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:41:06,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595657434] [2024-10-11 02:41:06,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595657434] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:41:06,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:41:06,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 02:41:06,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388764307] [2024-10-11 02:41:06,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:41:06,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 02:41:06,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:41:06,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 02:41:06,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:41:06,214 INFO L87 Difference]: Start difference. First operand 346 states and 546 transitions. Second operand has 9 states, 8 states have (on average 8.375) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-11 02:41:07,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:41:07,592 INFO L93 Difference]: Finished difference Result 846 states and 1350 transitions. [2024-10-11 02:41:07,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 02:41:07,592 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.375) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 110 [2024-10-11 02:41:07,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:41:07,595 INFO L225 Difference]: With dead ends: 846 [2024-10-11 02:41:07,595 INFO L226 Difference]: Without dead ends: 519 [2024-10-11 02:41:07,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-11 02:41:07,598 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 1020 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 2382 mSolverCounterSat, 319 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1022 SdHoareTripleChecker+Valid, 1015 SdHoareTripleChecker+Invalid, 2701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 319 IncrementalHoareTripleChecker+Valid, 2382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 02:41:07,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1022 Valid, 1015 Invalid, 2701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [319 Valid, 2382 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 02:41:07,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-10-11 02:41:07,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 348. [2024-10-11 02:41:07,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 270 states have (on average 1.5851851851851853) internal successors, (428), 274 states have internal predecessors, (428), 57 states have call successors, (57), 17 states have call predecessors, (57), 20 states have return successors, (64), 56 states have call predecessors, (64), 56 states have call successors, (64) [2024-10-11 02:41:07,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 549 transitions. [2024-10-11 02:41:07,617 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 549 transitions. Word has length 110 [2024-10-11 02:41:07,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:41:07,618 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 549 transitions. [2024-10-11 02:41:07,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.375) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-11 02:41:07,618 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 549 transitions. [2024-10-11 02:41:07,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-11 02:41:07,620 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:41:07,620 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:41:07,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 02:41:07,620 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:41:07,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:41:07,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1497763060, now seen corresponding path program 1 times [2024-10-11 02:41:07,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:41:07,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491304625] [2024-10-11 02:41:07,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:07,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:41:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:07,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:41:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:07,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:41:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:07,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:41:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:07,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:41:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:07,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:41:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:07,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:41:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:07,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 02:41:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:07,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 02:41:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:07,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:41:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:07,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 02:41:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:07,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 02:41:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:07,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 02:41:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:07,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 02:41:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:07,752 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-11 02:41:07,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:41:07,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491304625] [2024-10-11 02:41:07,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491304625] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:41:07,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:41:07,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 02:41:07,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622172364] [2024-10-11 02:41:07,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:41:07,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 02:41:07,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:41:07,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 02:41:07,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 02:41:07,754 INFO L87 Difference]: Start difference. First operand 348 states and 549 transitions. Second operand has 9 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-11 02:41:09,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:41:09,396 INFO L93 Difference]: Finished difference Result 846 states and 1349 transitions. [2024-10-11 02:41:09,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 02:41:09,397 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 111 [2024-10-11 02:41:09,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:41:09,399 INFO L225 Difference]: With dead ends: 846 [2024-10-11 02:41:09,400 INFO L226 Difference]: Without dead ends: 519 [2024-10-11 02:41:09,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-11 02:41:09,405 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 996 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 2459 mSolverCounterSat, 310 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 997 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 2769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 310 IncrementalHoareTripleChecker+Valid, 2459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 02:41:09,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [997 Valid, 1012 Invalid, 2769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [310 Valid, 2459 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 02:41:09,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-10-11 02:41:09,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 348. [2024-10-11 02:41:09,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 270 states have (on average 1.5851851851851853) internal successors, (428), 274 states have internal predecessors, (428), 57 states have call successors, (57), 17 states have call predecessors, (57), 20 states have return successors, (64), 56 states have call predecessors, (64), 56 states have call successors, (64) [2024-10-11 02:41:09,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 549 transitions. [2024-10-11 02:41:09,436 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 549 transitions. Word has length 111 [2024-10-11 02:41:09,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:41:09,436 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 549 transitions. [2024-10-11 02:41:09,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-11 02:41:09,437 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 549 transitions. [2024-10-11 02:41:09,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-11 02:41:09,438 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:41:09,438 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:41:09,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 02:41:09,439 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:41:09,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:41:09,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1257523314, now seen corresponding path program 1 times [2024-10-11 02:41:09,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:41:09,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891193378] [2024-10-11 02:41:09,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:09,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:41:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:09,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:41:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:09,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:41:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:09,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:41:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:09,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:41:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:09,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:41:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:09,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:41:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:09,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 02:41:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:09,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 02:41:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:09,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:41:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:09,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 02:41:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:09,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 02:41:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:09,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 02:41:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:09,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 02:41:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:09,653 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 02:41:09,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:41:09,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891193378] [2024-10-11 02:41:09,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891193378] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:41:09,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:41:09,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 02:41:09,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462071456] [2024-10-11 02:41:09,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:41:09,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 02:41:09,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:41:09,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 02:41:09,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:41:09,655 INFO L87 Difference]: Start difference. First operand 348 states and 549 transitions. Second operand has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 8 states have internal predecessors, (71), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-10-11 02:41:11,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:41:11,626 INFO L93 Difference]: Finished difference Result 844 states and 1344 transitions. [2024-10-11 02:41:11,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 02:41:11,627 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 8 states have internal predecessors, (71), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 111 [2024-10-11 02:41:11,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:41:11,631 INFO L225 Difference]: With dead ends: 844 [2024-10-11 02:41:11,631 INFO L226 Difference]: Without dead ends: 519 [2024-10-11 02:41:11,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-11 02:41:11,633 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 1023 mSDsluCounter, 1244 mSDsCounter, 0 mSdLazyCounter, 3849 mSolverCounterSat, 326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1024 SdHoareTripleChecker+Valid, 1406 SdHoareTripleChecker+Invalid, 4175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 326 IncrementalHoareTripleChecker+Valid, 3849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-11 02:41:11,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1024 Valid, 1406 Invalid, 4175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [326 Valid, 3849 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-11 02:41:11,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-10-11 02:41:11,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 348. [2024-10-11 02:41:11,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 270 states have (on average 1.5851851851851853) internal successors, (428), 274 states have internal predecessors, (428), 57 states have call successors, (57), 17 states have call predecessors, (57), 20 states have return successors, (63), 56 states have call predecessors, (63), 56 states have call successors, (63) [2024-10-11 02:41:11,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 548 transitions. [2024-10-11 02:41:11,657 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 548 transitions. Word has length 111 [2024-10-11 02:41:11,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:41:11,657 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 548 transitions. [2024-10-11 02:41:11,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 8 states have internal predecessors, (71), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-10-11 02:41:11,658 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 548 transitions. [2024-10-11 02:41:11,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-11 02:41:11,660 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:41:11,660 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:41:11,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 02:41:11,660 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:41:11,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:41:11,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1303733373, now seen corresponding path program 2 times [2024-10-11 02:41:11,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:41:11,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906307205] [2024-10-11 02:41:11,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:11,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:41:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:11,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:41:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:11,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:41:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:11,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:41:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:11,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:41:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:11,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:41:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:11,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:41:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:11,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 02:41:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:11,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 02:41:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:11,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:41:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:11,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 02:41:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:11,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 02:41:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:11,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 02:41:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:11,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 02:41:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:11,869 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 02:41:11,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:41:11,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906307205] [2024-10-11 02:41:11,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906307205] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:41:11,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:41:11,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 02:41:11,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003654934] [2024-10-11 02:41:11,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:41:11,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 02:41:11,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:41:11,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 02:41:11,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-11 02:41:11,870 INFO L87 Difference]: Start difference. First operand 348 states and 548 transitions. Second operand has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-10-11 02:41:13,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:41:13,771 INFO L93 Difference]: Finished difference Result 846 states and 1350 transitions. [2024-10-11 02:41:13,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 02:41:13,772 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 112 [2024-10-11 02:41:13,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:41:13,774 INFO L225 Difference]: With dead ends: 846 [2024-10-11 02:41:13,774 INFO L226 Difference]: Without dead ends: 521 [2024-10-11 02:41:13,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-11 02:41:13,776 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 994 mSDsluCounter, 1244 mSDsCounter, 0 mSdLazyCounter, 4063 mSolverCounterSat, 311 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 995 SdHoareTripleChecker+Valid, 1408 SdHoareTripleChecker+Invalid, 4374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 311 IncrementalHoareTripleChecker+Valid, 4063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-11 02:41:13,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [995 Valid, 1408 Invalid, 4374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [311 Valid, 4063 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-11 02:41:13,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2024-10-11 02:41:13,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 350. [2024-10-11 02:41:13,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 271 states have (on average 1.5830258302583027) internal successors, (429), 276 states have internal predecessors, (429), 57 states have call successors, (57), 17 states have call predecessors, (57), 21 states have return successors, (68), 56 states have call predecessors, (68), 56 states have call successors, (68) [2024-10-11 02:41:13,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 554 transitions. [2024-10-11 02:41:13,798 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 554 transitions. Word has length 112 [2024-10-11 02:41:13,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:41:13,798 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 554 transitions. [2024-10-11 02:41:13,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-10-11 02:41:13,798 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 554 transitions. [2024-10-11 02:41:13,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-11 02:41:13,799 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:41:13,800 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:41:13,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 02:41:13,800 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:41:13,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:41:13,800 INFO L85 PathProgramCache]: Analyzing trace with hash 419048855, now seen corresponding path program 1 times [2024-10-11 02:41:13,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:41:13,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310007545] [2024-10-11 02:41:13,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:13,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:41:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:13,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:41:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:13,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:41:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:13,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:41:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:13,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:41:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:13,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:41:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:13,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:41:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:13,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 02:41:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:13,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 02:41:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:13,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:41:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:13,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 02:41:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:13,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 02:41:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:13,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 02:41:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:13,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 02:41:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:13,957 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-11 02:41:13,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:41:13,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310007545] [2024-10-11 02:41:13,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310007545] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:41:13,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46476469] [2024-10-11 02:41:13,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:13,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:41:13,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:41:13,961 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:41:13,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 02:41:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:14,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 02:41:14,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:41:14,222 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-11 02:41:14,222 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 02:41:14,296 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-11 02:41:14,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46476469] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 02:41:14,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 02:41:14,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-10-11 02:41:14,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115241777] [2024-10-11 02:41:14,297 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 02:41:14,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 02:41:14,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:41:14,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 02:41:14,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-11 02:41:14,298 INFO L87 Difference]: Start difference. First operand 350 states and 554 transitions. Second operand has 15 states, 14 states have (on average 8.0) internal successors, (112), 11 states have internal predecessors, (112), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-10-11 02:41:16,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:41:16,291 INFO L93 Difference]: Finished difference Result 1195 states and 1996 transitions. [2024-10-11 02:41:16,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 02:41:16,291 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.0) internal successors, (112), 11 states have internal predecessors, (112), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 113 [2024-10-11 02:41:16,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:41:16,295 INFO L225 Difference]: With dead ends: 1195 [2024-10-11 02:41:16,296 INFO L226 Difference]: Without dead ends: 871 [2024-10-11 02:41:16,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-10-11 02:41:16,297 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 2229 mSDsluCounter, 1415 mSDsCounter, 0 mSdLazyCounter, 4010 mSolverCounterSat, 643 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2246 SdHoareTripleChecker+Valid, 1573 SdHoareTripleChecker+Invalid, 4653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 643 IncrementalHoareTripleChecker+Valid, 4010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-11 02:41:16,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2246 Valid, 1573 Invalid, 4653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [643 Valid, 4010 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-11 02:41:16,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2024-10-11 02:41:16,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 685. [2024-10-11 02:41:16,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 542 states have (on average 1.6273062730627306) internal successors, (882), 547 states have internal predecessors, (882), 121 states have call successors, (121), 17 states have call predecessors, (121), 21 states have return successors, (142), 120 states have call predecessors, (142), 120 states have call successors, (142) [2024-10-11 02:41:16,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 1145 transitions. [2024-10-11 02:41:16,325 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 1145 transitions. Word has length 113 [2024-10-11 02:41:16,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:41:16,325 INFO L471 AbstractCegarLoop]: Abstraction has 685 states and 1145 transitions. [2024-10-11 02:41:16,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.0) internal successors, (112), 11 states have internal predecessors, (112), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-10-11 02:41:16,326 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1145 transitions. [2024-10-11 02:41:16,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-11 02:41:16,328 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:41:16,328 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:41:16,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 02:41:16,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 02:41:16,529 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:41:16,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:41:16,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1932855846, now seen corresponding path program 1 times [2024-10-11 02:41:16,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:41:16,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076762878] [2024-10-11 02:41:16,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:16,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:41:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:16,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:41:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:16,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:41:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:16,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:41:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:16,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:41:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:16,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:41:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:16,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:41:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:16,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 02:41:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:16,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 02:41:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:16,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 02:41:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:16,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 02:41:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:16,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:41:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:16,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 02:41:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:16,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 02:41:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:16,622 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-11 02:41:16,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:41:16,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076762878] [2024-10-11 02:41:16,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076762878] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:41:16,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:41:16,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:41:16,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131717] [2024-10-11 02:41:16,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:41:16,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:41:16,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:41:16,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:41:16,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:41:16,623 INFO L87 Difference]: Start difference. First operand 685 states and 1145 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:17,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:41:17,595 INFO L93 Difference]: Finished difference Result 1790 states and 3055 transitions. [2024-10-11 02:41:17,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:41:17,595 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 117 [2024-10-11 02:41:17,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:41:17,601 INFO L225 Difference]: With dead ends: 1790 [2024-10-11 02:41:17,601 INFO L226 Difference]: Without dead ends: 1173 [2024-10-11 02:41:17,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:41:17,603 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 1094 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 1455 mSolverCounterSat, 375 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1110 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 1830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 375 IncrementalHoareTripleChecker+Valid, 1455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 02:41:17,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1110 Valid, 776 Invalid, 1830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [375 Valid, 1455 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 02:41:17,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2024-10-11 02:41:17,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 997. [2024-10-11 02:41:17,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 997 states, 790 states have (on average 1.6379746835443039) internal successors, (1294), 795 states have internal predecessors, (1294), 185 states have call successors, (185), 17 states have call predecessors, (185), 21 states have return successors, (216), 184 states have call predecessors, (216), 184 states have call successors, (216) [2024-10-11 02:41:17,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1695 transitions. [2024-10-11 02:41:17,640 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1695 transitions. Word has length 117 [2024-10-11 02:41:17,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:41:17,641 INFO L471 AbstractCegarLoop]: Abstraction has 997 states and 1695 transitions. [2024-10-11 02:41:17,641 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:17,641 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1695 transitions. [2024-10-11 02:41:17,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-11 02:41:17,645 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:41:17,645 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:41:17,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 02:41:17,645 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:41:17,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:41:17,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1854012316, now seen corresponding path program 1 times [2024-10-11 02:41:17,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:41:17,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569711908] [2024-10-11 02:41:17,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:17,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:41:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:17,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:41:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:17,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:41:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:17,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:41:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:17,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:41:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:17,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:41:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:17,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:41:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:17,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 02:41:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:17,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 02:41:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:17,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 02:41:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:17,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 02:41:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:17,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 02:41:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:17,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 02:41:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:17,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 02:41:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:17,744 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-11 02:41:17,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:41:17,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569711908] [2024-10-11 02:41:17,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569711908] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:41:17,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:41:17,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:41:17,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236985179] [2024-10-11 02:41:17,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:41:17,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:41:17,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:41:17,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:41:17,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:41:17,746 INFO L87 Difference]: Start difference. First operand 997 states and 1695 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:18,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:41:18,699 INFO L93 Difference]: Finished difference Result 2559 states and 4403 transitions. [2024-10-11 02:41:18,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:41:18,700 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 118 [2024-10-11 02:41:18,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:41:18,707 INFO L225 Difference]: With dead ends: 2559 [2024-10-11 02:41:18,707 INFO L226 Difference]: Without dead ends: 1680 [2024-10-11 02:41:18,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:41:18,712 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 1106 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 1410 mSolverCounterSat, 376 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1121 SdHoareTripleChecker+Valid, 746 SdHoareTripleChecker+Invalid, 1786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 376 IncrementalHoareTripleChecker+Valid, 1410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 02:41:18,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1121 Valid, 746 Invalid, 1786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [376 Valid, 1410 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 02:41:18,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2024-10-11 02:41:18,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 1504. [2024-10-11 02:41:18,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1504 states, 1202 states have (on average 1.642262895174709) internal successors, (1974), 1207 states have internal predecessors, (1974), 280 states have call successors, (280), 17 states have call predecessors, (280), 21 states have return successors, (311), 279 states have call predecessors, (311), 279 states have call successors, (311) [2024-10-11 02:41:18,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1504 states and 2565 transitions. [2024-10-11 02:41:18,772 INFO L78 Accepts]: Start accepts. Automaton has 1504 states and 2565 transitions. Word has length 118 [2024-10-11 02:41:18,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:41:18,772 INFO L471 AbstractCegarLoop]: Abstraction has 1504 states and 2565 transitions. [2024-10-11 02:41:18,772 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:18,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 2565 transitions. [2024-10-11 02:41:18,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-11 02:41:18,779 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:41:18,779 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:41:18,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 02:41:18,779 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:41:18,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:41:18,779 INFO L85 PathProgramCache]: Analyzing trace with hash -649150028, now seen corresponding path program 1 times [2024-10-11 02:41:18,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:41:18,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393209428] [2024-10-11 02:41:18,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:18,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:41:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:18,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:41:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:18,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:41:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:18,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:41:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:18,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:41:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:18,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:41:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:18,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:41:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:18,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 02:41:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:18,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:41:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:18,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 02:41:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:18,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 02:41:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:18,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 02:41:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:18,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 02:41:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:18,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 02:41:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:18,925 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-11 02:41:18,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:41:18,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393209428] [2024-10-11 02:41:18,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393209428] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:41:18,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:41:18,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:41:18,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495996902] [2024-10-11 02:41:18,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:41:18,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:41:18,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:41:18,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:41:18,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:41:18,927 INFO L87 Difference]: Start difference. First operand 1504 states and 2565 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:19,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:41:19,957 INFO L93 Difference]: Finished difference Result 3705 states and 6428 transitions. [2024-10-11 02:41:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:41:19,957 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 119 [2024-10-11 02:41:19,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:41:19,970 INFO L225 Difference]: With dead ends: 3705 [2024-10-11 02:41:19,971 INFO L226 Difference]: Without dead ends: 2447 [2024-10-11 02:41:19,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:41:19,976 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 1100 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 1422 mSolverCounterSat, 359 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1116 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 1781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 359 IncrementalHoareTripleChecker+Valid, 1422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 02:41:19,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1116 Valid, 738 Invalid, 1781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [359 Valid, 1422 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 02:41:19,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2447 states. [2024-10-11 02:41:20,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2447 to 2271. [2024-10-11 02:41:20,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2271 states, 1846 states have (on average 1.6462621885157096) internal successors, (3039), 1851 states have internal predecessors, (3039), 403 states have call successors, (403), 17 states have call predecessors, (403), 21 states have return successors, (450), 402 states have call predecessors, (450), 402 states have call successors, (450) [2024-10-11 02:41:20,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2271 states to 2271 states and 3892 transitions. [2024-10-11 02:41:20,083 INFO L78 Accepts]: Start accepts. Automaton has 2271 states and 3892 transitions. Word has length 119 [2024-10-11 02:41:20,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:41:20,084 INFO L471 AbstractCegarLoop]: Abstraction has 2271 states and 3892 transitions. [2024-10-11 02:41:20,084 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, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:20,084 INFO L276 IsEmpty]: Start isEmpty. Operand 2271 states and 3892 transitions. [2024-10-11 02:41:20,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-11 02:41:20,092 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:41:20,092 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:41:20,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 02:41:20,092 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:41:20,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:41:20,093 INFO L85 PathProgramCache]: Analyzing trace with hash -631677827, now seen corresponding path program 1 times [2024-10-11 02:41:20,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:41:20,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708737601] [2024-10-11 02:41:20,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:20,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:41:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:20,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:41:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:20,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:41:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:20,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:41:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:20,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:41:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:20,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:41:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:20,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:41:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:20,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 02:41:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:20,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:41:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:20,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 02:41:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:20,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 02:41:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:20,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 02:41:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:20,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 02:41:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:20,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 02:41:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:20,172 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-11 02:41:20,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:41:20,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708737601] [2024-10-11 02:41:20,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708737601] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:41:20,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:41:20,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:41:20,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469350337] [2024-10-11 02:41:20,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:41:20,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:41:20,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:41:20,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:41:20,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:41:20,174 INFO L87 Difference]: Start difference. First operand 2271 states and 3892 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:21,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:41:21,244 INFO L93 Difference]: Finished difference Result 5487 states and 9586 transitions. [2024-10-11 02:41:21,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:41:21,244 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 120 [2024-10-11 02:41:21,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:41:21,261 INFO L225 Difference]: With dead ends: 5487 [2024-10-11 02:41:21,261 INFO L226 Difference]: Without dead ends: 3671 [2024-10-11 02:41:21,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:41:21,267 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 1108 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 1377 mSolverCounterSat, 377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1124 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 1754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 377 IncrementalHoareTripleChecker+Valid, 1377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 02:41:21,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1124 Valid, 735 Invalid, 1754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [377 Valid, 1377 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 02:41:21,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3671 states. [2024-10-11 02:41:21,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3671 to 3495. [2024-10-11 02:41:21,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3495 states, 2891 states have (on average 1.6489104116222761) internal successors, (4767), 2896 states have internal predecessors, (4767), 582 states have call successors, (582), 17 states have call predecessors, (582), 21 states have return successors, (655), 581 states have call predecessors, (655), 581 states have call successors, (655) [2024-10-11 02:41:21,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3495 states to 3495 states and 6004 transitions. [2024-10-11 02:41:21,384 INFO L78 Accepts]: Start accepts. Automaton has 3495 states and 6004 transitions. Word has length 120 [2024-10-11 02:41:21,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:41:21,384 INFO L471 AbstractCegarLoop]: Abstraction has 3495 states and 6004 transitions. [2024-10-11 02:41:21,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:21,384 INFO L276 IsEmpty]: Start isEmpty. Operand 3495 states and 6004 transitions. [2024-10-11 02:41:21,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-11 02:41:21,393 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:41:21,394 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:41:21,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 02:41:21,394 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:41:21,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:41:21,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1281470960, now seen corresponding path program 1 times [2024-10-11 02:41:21,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:41:21,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25617643] [2024-10-11 02:41:21,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:21,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:41:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:21,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:41:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:21,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:41:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:21,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:41:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:21,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:41:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:21,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:41:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:21,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:41:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:21,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 02:41:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:21,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:41:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:21,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 02:41:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:21,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 02:41:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:21,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 02:41:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:21,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 02:41:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:21,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 02:41:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:21,480 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-11 02:41:21,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:41:21,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25617643] [2024-10-11 02:41:21,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25617643] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:41:21,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:41:21,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:41:21,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301626099] [2024-10-11 02:41:21,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:41:21,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:41:21,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:41:21,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:41:21,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:41:21,483 INFO L87 Difference]: Start difference. First operand 3495 states and 6004 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:22,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:41:22,544 INFO L93 Difference]: Finished difference Result 8466 states and 14826 transitions. [2024-10-11 02:41:22,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:41:22,545 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 121 [2024-10-11 02:41:22,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:41:22,571 INFO L225 Difference]: With dead ends: 8466 [2024-10-11 02:41:22,571 INFO L226 Difference]: Without dead ends: 5729 [2024-10-11 02:41:22,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:41:22,581 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 1090 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 1435 mSolverCounterSat, 372 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1105 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 1807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 372 IncrementalHoareTripleChecker+Valid, 1435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 02:41:22,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1105 Valid, 766 Invalid, 1807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [372 Valid, 1435 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 02:41:22,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5729 states. [2024-10-11 02:41:22,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5729 to 5553. [2024-10-11 02:41:22,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5553 states, 4573 states have (on average 1.6378744806472776) internal successors, (7490), 4578 states have internal predecessors, (7490), 958 states have call successors, (958), 17 states have call predecessors, (958), 21 states have return successors, (1075), 957 states have call predecessors, (1075), 957 states have call successors, (1075) [2024-10-11 02:41:22,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5553 states to 5553 states and 9523 transitions. [2024-10-11 02:41:22,810 INFO L78 Accepts]: Start accepts. Automaton has 5553 states and 9523 transitions. Word has length 121 [2024-10-11 02:41:22,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:41:22,810 INFO L471 AbstractCegarLoop]: Abstraction has 5553 states and 9523 transitions. [2024-10-11 02:41:22,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:22,811 INFO L276 IsEmpty]: Start isEmpty. Operand 5553 states and 9523 transitions. [2024-10-11 02:41:22,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-11 02:41:22,825 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:41:22,825 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:41:22,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 02:41:22,825 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:41:22,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:41:22,826 INFO L85 PathProgramCache]: Analyzing trace with hash 503783489, now seen corresponding path program 1 times [2024-10-11 02:41:22,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:41:22,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238961850] [2024-10-11 02:41:22,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:22,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:41:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:22,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:41:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:22,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:41:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:22,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:41:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:22,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:41:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:22,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:41:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:22,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:41:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:22,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 02:41:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:22,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:41:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:22,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 02:41:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:22,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:41:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:22,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 02:41:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:22,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 02:41:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:22,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 02:41:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:22,905 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-11 02:41:22,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:41:22,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238961850] [2024-10-11 02:41:22,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238961850] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:41:22,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:41:22,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:41:22,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641528513] [2024-10-11 02:41:22,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:41:22,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:41:22,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:41:22,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:41:22,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:41:22,907 INFO L87 Difference]: Start difference. First operand 5553 states and 9523 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:24,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:41:24,163 INFO L93 Difference]: Finished difference Result 13827 states and 24183 transitions. [2024-10-11 02:41:24,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:41:24,164 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 122 [2024-10-11 02:41:24,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:41:24,212 INFO L225 Difference]: With dead ends: 13827 [2024-10-11 02:41:24,212 INFO L226 Difference]: Without dead ends: 9418 [2024-10-11 02:41:24,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:41:24,232 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 1083 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1098 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 1792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 364 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:41:24,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1098 Valid, 744 Invalid, 1792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [364 Valid, 1428 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 02:41:24,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9418 states. [2024-10-11 02:41:24,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9418 to 9242. [2024-10-11 02:41:24,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9242 states, 7656 states have (on average 1.6353187042842214) internal successors, (12520), 7661 states have internal predecessors, (12520), 1564 states have call successors, (1564), 17 states have call predecessors, (1564), 21 states have return successors, (1759), 1563 states have call predecessors, (1759), 1563 states have call successors, (1759) [2024-10-11 02:41:24,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9242 states to 9242 states and 15843 transitions. [2024-10-11 02:41:24,638 INFO L78 Accepts]: Start accepts. Automaton has 9242 states and 15843 transitions. Word has length 122 [2024-10-11 02:41:24,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:41:24,638 INFO L471 AbstractCegarLoop]: Abstraction has 9242 states and 15843 transitions. [2024-10-11 02:41:24,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:24,638 INFO L276 IsEmpty]: Start isEmpty. Operand 9242 states and 15843 transitions. [2024-10-11 02:41:24,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-11 02:41:24,656 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:41:24,656 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:41:24,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 02:41:24,656 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:41:24,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:41:24,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1017406498, now seen corresponding path program 1 times [2024-10-11 02:41:24,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:41:24,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80653086] [2024-10-11 02:41:24,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:24,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:41:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:24,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:41:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:24,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:41:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:24,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:41:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:24,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:41:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:24,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:41:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:24,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:41:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:24,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 02:41:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:24,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 02:41:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:24,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 02:41:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:24,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 02:41:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:24,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 02:41:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:24,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 02:41:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:24,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 02:41:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:24,747 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-11 02:41:24,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:41:24,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80653086] [2024-10-11 02:41:24,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80653086] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:41:24,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:41:24,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:41:24,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449563062] [2024-10-11 02:41:24,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:41:24,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:41:24,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:41:24,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:41:24,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:41:24,748 INFO L87 Difference]: Start difference. First operand 9242 states and 15843 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:26,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:41:26,031 INFO L93 Difference]: Finished difference Result 24019 states and 41947 transitions. [2024-10-11 02:41:26,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:41:26,031 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 123 [2024-10-11 02:41:26,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:41:26,089 INFO L225 Difference]: With dead ends: 24019 [2024-10-11 02:41:26,089 INFO L226 Difference]: Without dead ends: 16378 [2024-10-11 02:41:26,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:41:26,112 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 1098 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 1400 mSolverCounterSat, 382 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1113 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 1782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 382 IncrementalHoareTripleChecker+Valid, 1400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 02:41:26,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1113 Valid, 764 Invalid, 1782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [382 Valid, 1400 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 02:41:26,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16378 states. [2024-10-11 02:41:26,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16378 to 16202. [2024-10-11 02:41:26,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16202 states, 13413 states have (on average 1.62625810780586) internal successors, (21813), 13418 states have internal predecessors, (21813), 2767 states have call successors, (2767), 17 states have call predecessors, (2767), 21 states have return successors, (3106), 2766 states have call predecessors, (3106), 2766 states have call successors, (3106) [2024-10-11 02:41:26,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16202 states to 16202 states and 27686 transitions. [2024-10-11 02:41:26,625 INFO L78 Accepts]: Start accepts. Automaton has 16202 states and 27686 transitions. Word has length 123 [2024-10-11 02:41:26,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:41:26,626 INFO L471 AbstractCegarLoop]: Abstraction has 16202 states and 27686 transitions. [2024-10-11 02:41:26,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:26,626 INFO L276 IsEmpty]: Start isEmpty. Operand 16202 states and 27686 transitions. [2024-10-11 02:41:26,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-11 02:41:26,649 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:41:26,649 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:41:26,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 02:41:26,649 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:41:26,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:41:26,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1177990590, now seen corresponding path program 1 times [2024-10-11 02:41:26,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:41:26,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770485347] [2024-10-11 02:41:26,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:26,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:41:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:26,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:41:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:26,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:41:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:26,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:41:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:26,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:41:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:26,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:41:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:26,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:41:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:26,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:41:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:26,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 02:41:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:26,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 02:41:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:26,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 02:41:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:26,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 02:41:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:26,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 02:41:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:26,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 02:41:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:26,837 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-11 02:41:26,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:41:26,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770485347] [2024-10-11 02:41:26,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770485347] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:41:26,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:41:26,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:41:26,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410001163] [2024-10-11 02:41:26,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:41:26,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:41:26,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:41:26,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:41:26,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:41:26,840 INFO L87 Difference]: Start difference. First operand 16202 states and 27686 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:28,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:41:28,373 INFO L93 Difference]: Finished difference Result 42994 states and 74959 transitions. [2024-10-11 02:41:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:41:28,373 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 124 [2024-10-11 02:41:28,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:41:28,483 INFO L225 Difference]: With dead ends: 42994 [2024-10-11 02:41:28,483 INFO L226 Difference]: Without dead ends: 29041 [2024-10-11 02:41:28,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:41:28,525 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 1099 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 1386 mSolverCounterSat, 381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1115 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 1767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 381 IncrementalHoareTripleChecker+Valid, 1386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 02:41:28,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1115 Valid, 737 Invalid, 1767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [381 Valid, 1386 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 02:41:28,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29041 states. [2024-10-11 02:41:29,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29041 to 28865. [2024-10-11 02:41:29,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28865 states, 24037 states have (on average 1.6224570453883596) internal successors, (38999), 24042 states have internal predecessors, (38999), 4806 states have call successors, (4806), 17 states have call predecessors, (4806), 21 states have return successors, (5419), 4805 states have call predecessors, (5419), 4805 states have call successors, (5419) [2024-10-11 02:41:29,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28865 states to 28865 states and 49224 transitions. [2024-10-11 02:41:29,508 INFO L78 Accepts]: Start accepts. Automaton has 28865 states and 49224 transitions. Word has length 124 [2024-10-11 02:41:29,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:41:29,508 INFO L471 AbstractCegarLoop]: Abstraction has 28865 states and 49224 transitions. [2024-10-11 02:41:29,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:29,508 INFO L276 IsEmpty]: Start isEmpty. Operand 28865 states and 49224 transitions. [2024-10-11 02:41:29,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-11 02:41:29,536 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:41:29,536 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:41:29,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 02:41:29,537 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:41:29,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:41:29,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1883952704, now seen corresponding path program 1 times [2024-10-11 02:41:29,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:41:29,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736191407] [2024-10-11 02:41:29,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:29,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:41:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:29,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:41:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:29,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:41:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:29,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:41:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:29,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:41:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:29,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:41:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:29,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:41:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:29,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 02:41:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:29,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 02:41:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:29,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 02:41:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:29,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 02:41:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:29,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 02:41:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:29,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 02:41:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:29,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 02:41:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:29,629 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-11 02:41:29,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:41:29,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736191407] [2024-10-11 02:41:29,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736191407] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:41:29,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:41:29,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:41:29,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088805441] [2024-10-11 02:41:29,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:41:29,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:41:29,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:41:29,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:41:29,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:41:29,630 INFO L87 Difference]: Start difference. First operand 28865 states and 49224 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:32,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:41:32,131 INFO L93 Difference]: Finished difference Result 78766 states and 136518 transitions. [2024-10-11 02:41:32,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:41:32,132 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 125 [2024-10-11 02:41:32,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:41:32,344 INFO L225 Difference]: With dead ends: 78766 [2024-10-11 02:41:32,345 INFO L226 Difference]: Without dead ends: 52929 [2024-10-11 02:41:32,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:41:32,421 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 1118 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1134 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 1724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 395 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 02:41:32,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1134 Valid, 748 Invalid, 1724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [395 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 02:41:32,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52929 states. [2024-10-11 02:41:34,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52929 to 52753. [2024-10-11 02:41:34,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52753 states, 44210 states have (on average 1.6174847319610948) internal successors, (71509), 44215 states have internal predecessors, (71509), 8521 states have call successors, (8521), 17 states have call predecessors, (8521), 21 states have return successors, (9666), 8520 states have call predecessors, (9666), 8520 states have call successors, (9666) [2024-10-11 02:41:34,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52753 states to 52753 states and 89696 transitions. [2024-10-11 02:41:34,561 INFO L78 Accepts]: Start accepts. Automaton has 52753 states and 89696 transitions. Word has length 125 [2024-10-11 02:41:34,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:41:34,562 INFO L471 AbstractCegarLoop]: Abstraction has 52753 states and 89696 transitions. [2024-10-11 02:41:34,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:34,562 INFO L276 IsEmpty]: Start isEmpty. Operand 52753 states and 89696 transitions. [2024-10-11 02:41:34,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-11 02:41:34,599 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:41:34,599 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:41:34,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 02:41:34,599 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:41:34,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:41:34,600 INFO L85 PathProgramCache]: Analyzing trace with hash -336977822, now seen corresponding path program 1 times [2024-10-11 02:41:34,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:41:34,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985456981] [2024-10-11 02:41:34,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:34,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:41:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:34,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:41:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:34,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:41:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:34,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:41:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:34,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:41:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:34,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:41:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:34,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:41:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:34,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 02:41:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:34,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 02:41:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:34,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 02:41:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:34,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 02:41:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:34,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 02:41:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:34,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 02:41:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:34,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 02:41:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:34,706 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-11 02:41:34,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:41:34,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985456981] [2024-10-11 02:41:34,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985456981] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:41:34,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:41:34,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 02:41:34,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060453930] [2024-10-11 02:41:34,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:41:34,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 02:41:34,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:41:34,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 02:41:34,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:41:34,708 INFO L87 Difference]: Start difference. First operand 52753 states and 89696 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:37,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:41:37,738 INFO L93 Difference]: Finished difference Result 98541 states and 171223 transitions. [2024-10-11 02:41:37,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 02:41:37,739 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 126 [2024-10-11 02:41:37,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:41:38,261 INFO L225 Difference]: With dead ends: 98541 [2024-10-11 02:41:38,261 INFO L226 Difference]: Without dead ends: 98401 [2024-10-11 02:41:38,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-11 02:41:38,286 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 1062 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 1478 mSolverCounterSat, 353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1076 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 1831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 353 IncrementalHoareTripleChecker+Valid, 1478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 02:41:38,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1076 Valid, 753 Invalid, 1831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [353 Valid, 1478 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 02:41:38,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98401 states. [2024-10-11 02:41:41,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98401 to 98225. [2024-10-11 02:41:41,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98225 states, 82883 states have (on average 1.6111627233570214) internal successors, (133538), 82888 states have internal predecessors, (133538), 15320 states have call successors, (15320), 17 states have call predecessors, (15320), 21 states have return successors, (17511), 15319 states have call predecessors, (17511), 15319 states have call successors, (17511) [2024-10-11 02:41:41,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98225 states to 98225 states and 166369 transitions. [2024-10-11 02:41:41,705 INFO L78 Accepts]: Start accepts. Automaton has 98225 states and 166369 transitions. Word has length 126 [2024-10-11 02:41:41,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:41:41,706 INFO L471 AbstractCegarLoop]: Abstraction has 98225 states and 166369 transitions. [2024-10-11 02:41:41,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 02:41:41,706 INFO L276 IsEmpty]: Start isEmpty. Operand 98225 states and 166369 transitions. [2024-10-11 02:41:41,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-10-11 02:41:41,745 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:41:41,745 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:41:41,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-11 02:41:41,746 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:41:41,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:41:41,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1242490815, now seen corresponding path program 1 times [2024-10-11 02:41:41,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:41:41,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223098230] [2024-10-11 02:41:41,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:41,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:41:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:41,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:41:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:41,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:41:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:41,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:41:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:41,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:41:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:41,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:41:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:41,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:41:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:41,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:41:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:41,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:41:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:41,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 02:41:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:41,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 02:41:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:41,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 02:41:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:41,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 02:41:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:41,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 02:41:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:41,876 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-11 02:41:41,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:41:41,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223098230] [2024-10-11 02:41:41,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223098230] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:41:41,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734846536] [2024-10-11 02:41:41,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:41,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:41:41,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:41:41,879 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:41:41,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 02:41:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:42,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 1067 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 02:41:42,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:41:42,536 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 02:41:42,536 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 02:41:42,715 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 02:41:42,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734846536] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 02:41:42,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 02:41:42,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 22 [2024-10-11 02:41:42,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99688593] [2024-10-11 02:41:42,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 02:41:42,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-11 02:41:42,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:41:42,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-11 02:41:42,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2024-10-11 02:41:42,717 INFO L87 Difference]: Start difference. First operand 98225 states and 166369 transitions. Second operand has 22 states, 21 states have (on average 9.857142857142858) internal successors, (207), 17 states have internal predecessors, (207), 4 states have call successors, (42), 10 states have call predecessors, (42), 8 states have return successors, (35), 5 states have call predecessors, (35), 4 states have call successors, (35) [2024-10-11 02:41:50,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:41:50,085 INFO L93 Difference]: Finished difference Result 196945 states and 344423 transitions. [2024-10-11 02:41:50,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-11 02:41:50,086 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 9.857142857142858) internal successors, (207), 17 states have internal predecessors, (207), 4 states have call successors, (42), 10 states have call predecessors, (42), 8 states have return successors, (35), 5 states have call predecessors, (35), 4 states have call successors, (35) Word has length 127 [2024-10-11 02:41:50,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:41:51,009 INFO L225 Difference]: With dead ends: 196945 [2024-10-11 02:41:51,009 INFO L226 Difference]: Without dead ends: 196810 [2024-10-11 02:41:51,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=619, Invalid=2461, Unknown=0, NotChecked=0, Total=3080 [2024-10-11 02:41:51,088 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 3348 mSDsluCounter, 2169 mSDsCounter, 0 mSdLazyCounter, 7798 mSolverCounterSat, 944 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3360 SdHoareTripleChecker+Valid, 2311 SdHoareTripleChecker+Invalid, 8742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 944 IncrementalHoareTripleChecker+Valid, 7798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-10-11 02:41:51,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3360 Valid, 2311 Invalid, 8742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [944 Valid, 7798 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-10-11 02:41:51,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196810 states. [2024-10-11 02:41:57,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196810 to 196455. [2024-10-11 02:41:57,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196455 states, 165773 states have (on average 1.6111550131806749) internal successors, (267086), 165780 states have internal predecessors, (267086), 30638 states have call successors, (30638), 36 states have call predecessors, (30638), 43 states have return successors, (37200), 30638 states have call predecessors, (37200), 30636 states have call successors, (37200) [2024-10-11 02:41:58,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196455 states to 196455 states and 334924 transitions. [2024-10-11 02:41:58,830 INFO L78 Accepts]: Start accepts. Automaton has 196455 states and 334924 transitions. Word has length 127 [2024-10-11 02:41:58,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:41:58,830 INFO L471 AbstractCegarLoop]: Abstraction has 196455 states and 334924 transitions. [2024-10-11 02:41:58,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 9.857142857142858) internal successors, (207), 17 states have internal predecessors, (207), 4 states have call successors, (42), 10 states have call predecessors, (42), 8 states have return successors, (35), 5 states have call predecessors, (35), 4 states have call successors, (35) [2024-10-11 02:41:58,830 INFO L276 IsEmpty]: Start isEmpty. Operand 196455 states and 334924 transitions. [2024-10-11 02:41:58,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-11 02:41:58,938 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:41:58,938 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:41:58,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-11 02:41:59,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:41:59,139 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:41:59,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:41:59,139 INFO L85 PathProgramCache]: Analyzing trace with hash -980819208, now seen corresponding path program 1 times [2024-10-11 02:41:59,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:41:59,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165962879] [2024-10-11 02:41:59,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:41:59,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:41:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:59,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:41:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:59,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 02:41:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:59,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 02:41:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:59,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:41:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:59,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 02:41:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:59,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 02:41:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:59,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:41:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:59,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 02:41:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:59,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 02:41:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:59,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 02:41:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:59,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 02:41:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:59,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 02:41:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:59,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 02:41:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:59,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 02:41:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:41:59,312 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-11 02:41:59,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:41:59,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165962879] [2024-10-11 02:41:59,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165962879] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:41:59,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:41:59,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 02:41:59,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245940090] [2024-10-11 02:41:59,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:41:59,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 02:41:59,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:41:59,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 02:41:59,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-10-11 02:41:59,315 INFO L87 Difference]: Start difference. First operand 196455 states and 334924 transitions. Second operand has 11 states, 11 states have (on average 8.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 02:42:05,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:42:05,681 INFO L93 Difference]: Finished difference Result 197533 states and 343157 transitions. [2024-10-11 02:42:05,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 02:42:05,682 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 135 [2024-10-11 02:42:05,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:42:06,515 INFO L225 Difference]: With dead ends: 197533 [2024-10-11 02:42:06,515 INFO L226 Difference]: Without dead ends: 197099 [2024-10-11 02:42:06,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=514, Unknown=0, NotChecked=0, Total=702 [2024-10-11 02:42:06,604 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 2136 mSDsluCounter, 947 mSDsCounter, 0 mSdLazyCounter, 2976 mSolverCounterSat, 646 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2152 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 3622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 646 IncrementalHoareTripleChecker+Valid, 2976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 02:42:06,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2152 Valid, 1102 Invalid, 3622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [646 Valid, 2976 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 02:42:06,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197099 states.