./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec6_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec6_product31.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bad89116a36bb46e02a3fc807805b2b6d03550190d8073d361f25c2754b15f25 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 15:07:11,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 15:07:11,278 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 15:07:11,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 15:07:11,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 15:07:11,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 15:07:11,314 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 15:07:11,314 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 15:07:11,315 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 15:07:11,315 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 15:07:11,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 15:07:11,316 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 15:07:11,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 15:07:11,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 15:07:11,320 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 15:07:11,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 15:07:11,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 15:07:11,320 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 15:07:11,320 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 15:07:11,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 15:07:11,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 15:07:11,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 15:07:11,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 15:07:11,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 15:07:11,322 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 15:07:11,322 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 15:07:11,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 15:07:11,323 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 15:07:11,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 15:07:11,325 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 15:07:11,325 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 15:07:11,325 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 15:07:11,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:07:11,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 15:07:11,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 15:07:11,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 15:07:11,326 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 15:07:11,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 15:07:11,326 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 15:07:11,327 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 15:07:11,327 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 15:07:11,328 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 15:07:11,328 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bad89116a36bb46e02a3fc807805b2b6d03550190d8073d361f25c2754b15f25 [2024-11-08 15:07:11,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 15:07:11,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 15:07:11,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 15:07:11,546 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 15:07:11,546 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 15:07:11,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product31.cil.c [2024-11-08 15:07:12,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 15:07:13,091 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 15:07:13,092 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product31.cil.c [2024-11-08 15:07:13,116 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adb1544b7/82dff878d3284e58a77c0560ac9343dc/FLAG5e8a95684 [2024-11-08 15:07:13,379 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adb1544b7/82dff878d3284e58a77c0560ac9343dc [2024-11-08 15:07:13,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 15:07:13,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 15:07:13,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 15:07:13,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 15:07:13,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 15:07:13,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:07:13" (1/1) ... [2024-11-08 15:07:13,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a66980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:07:13, skipping insertion in model container [2024-11-08 15:07:13,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:07:13" (1/1) ... [2024-11-08 15:07:13,470 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 15:07:13,761 WARN L250 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_spec6_product31.cil.c[31008,31021] [2024-11-08 15:07:13,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:07:13,920 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 15:07:13,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [48] [2024-11-08 15:07:13,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [66] [2024-11-08 15:07:13,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [225] [2024-11-08 15:07:13,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1305] [2024-11-08 15:07:13,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1314] [2024-11-08 15:07:13,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [1680] [2024-11-08 15:07:13,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [1905] [2024-11-08 15:07:13,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2190] [2024-11-08 15:07:13,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EncryptDecrypt_spec.i","") [2554] [2024-11-08 15:07:13,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2600] [2024-11-08 15:07:13,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2997] [2024-11-08 15:07:13,957 WARN L250 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_spec6_product31.cil.c[31008,31021] [2024-11-08 15:07:14,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:07:14,038 INFO L204 MainTranslator]: Completed translation [2024-11-08 15:07:14,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:07:14 WrapperNode [2024-11-08 15:07:14,039 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 15:07:14,040 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 15:07:14,040 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 15:07:14,040 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 15:07:14,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:07:14" (1/1) ... [2024-11-08 15:07:14,065 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:07:14" (1/1) ... [2024-11-08 15:07:14,117 INFO L138 Inliner]: procedures = 132, calls = 209, calls flagged for inlining = 62, calls inlined = 57, statements flattened = 1056 [2024-11-08 15:07:14,118 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 15:07:14,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 15:07:14,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 15:07:14,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 15:07:14,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:07:14" (1/1) ... [2024-11-08 15:07:14,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:07:14" (1/1) ... [2024-11-08 15:07:14,134 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:07:14" (1/1) ... [2024-11-08 15:07:14,170 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-08 15:07:14,172 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:07:14" (1/1) ... [2024-11-08 15:07:14,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:07:14" (1/1) ... [2024-11-08 15:07:14,197 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:07:14" (1/1) ... [2024-11-08 15:07:14,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:07:14" (1/1) ... [2024-11-08 15:07:14,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:07:14" (1/1) ... [2024-11-08 15:07:14,209 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:07:14" (1/1) ... [2024-11-08 15:07:14,214 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 15:07:14,215 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 15:07:14,215 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 15:07:14,215 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 15:07:14,216 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:07:14" (1/1) ... [2024-11-08 15:07:14,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:07:14,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:07:14,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 15:07:14,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 15:07:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-08 15:07:14,307 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-08 15:07:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-08 15:07:14,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-08 15:07:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-08 15:07:14,307 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-08 15:07:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-08 15:07:14,307 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-08 15:07:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-08 15:07:14,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-08 15:07:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-08 15:07:14,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-08 15:07:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-08 15:07:14,309 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-08 15:07:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-08 15:07:14,309 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-08 15:07:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-08 15:07:14,310 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-08 15:07:14,310 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-08 15:07:14,310 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-08 15:07:14,310 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-08 15:07:14,311 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-08 15:07:14,311 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-08 15:07:14,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-08 15:07:14,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 15:07:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-08 15:07:14,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-08 15:07:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-08 15:07:14,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-08 15:07:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-08 15:07:14,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-08 15:07:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-08 15:07:14,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-08 15:07:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-08 15:07:14,312 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-08 15:07:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-08 15:07:14,312 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-08 15:07:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-08 15:07:14,312 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-08 15:07:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-08 15:07:14,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-08 15:07:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-08 15:07:14,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-08 15:07:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-08 15:07:14,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-08 15:07:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 15:07:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 15:07:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 15:07:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 15:07:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-08 15:07:14,314 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-08 15:07:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 15:07:14,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 15:07:14,483 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 15:07:14,486 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 15:07:15,269 INFO L? ?]: Removed 481 outVars from TransFormulas that were not future-live. [2024-11-08 15:07:15,270 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 15:07:15,334 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 15:07:15,335 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 15:07:15,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:07:15 BoogieIcfgContainer [2024-11-08 15:07:15,335 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 15:07:15,336 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 15:07:15,337 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 15:07:15,339 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 15:07:15,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 03:07:13" (1/3) ... [2024-11-08 15:07:15,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d7594f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:07:15, skipping insertion in model container [2024-11-08 15:07:15,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:07:14" (2/3) ... [2024-11-08 15:07:15,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d7594f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:07:15, skipping insertion in model container [2024-11-08 15:07:15,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:07:15" (3/3) ... [2024-11-08 15:07:15,341 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product31.cil.c [2024-11-08 15:07:15,353 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 15:07:15,354 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 15:07:15,416 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 15:07:15,420 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;@3c53b4fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 15:07:15,421 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 15:07:15,427 INFO L276 IsEmpty]: Start isEmpty. Operand has 374 states, 288 states have (on average 1.4965277777777777) internal successors, (431), 292 states have internal predecessors, (431), 61 states have call successors, (61), 23 states have call predecessors, (61), 23 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-08 15:07:15,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-08 15:07:15,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:15,441 INFO L215 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:15,441 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:15,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:15,445 INFO L85 PathProgramCache]: Analyzing trace with hash -937278279, now seen corresponding path program 1 times [2024-11-08 15:07:15,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:15,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861234304] [2024-11-08 15:07:15,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:15,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:15,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:15,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:15,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:15,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 15:07:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:15,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 15:07:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:15,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 15:07:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:15,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 15:07:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:15,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 15:07:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:15,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 15:07:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:15,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 15:07:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:15,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 15:07:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:15,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 15:07:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:15,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 15:07:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:15,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 15:07:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:15,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 15:07:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:15,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 15:07:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:15,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 15:07:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:15,982 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:07:15,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:15,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861234304] [2024-11-08 15:07:15,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861234304] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:07:15,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683381714] [2024-11-08 15:07:15,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:15,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:07:15,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:07:15,990 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:07:15,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 15:07:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:16,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 15:07:16,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:07:16,326 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 15:07:16,326 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:07:16,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683381714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:16,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:07:16,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-08 15:07:16,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671294310] [2024-11-08 15:07:16,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:16,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 15:07:16,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:16,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 15:07:16,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:07:16,352 INFO L87 Difference]: Start difference. First operand has 374 states, 288 states have (on average 1.4965277777777777) internal successors, (431), 292 states have internal predecessors, (431), 61 states have call successors, (61), 23 states have call predecessors, (61), 23 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) Second operand has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:16,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:16,399 INFO L93 Difference]: Finished difference Result 594 states and 860 transitions. [2024-11-08 15:07:16,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 15:07:16,401 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 126 [2024-11-08 15:07:16,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:16,410 INFO L225 Difference]: With dead ends: 594 [2024-11-08 15:07:16,410 INFO L226 Difference]: Without dead ends: 367 [2024-11-08 15:07:16,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:07:16,416 INFO L432 NwaCegarLoop]: 549 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:16,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:07:16,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-08 15:07:16,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2024-11-08 15:07:16,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 282 states have (on average 1.4893617021276595) internal successors, (420), 285 states have internal predecessors, (420), 61 states have call successors, (61), 23 states have call predecessors, (61), 23 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-08 15:07:16,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 541 transitions. [2024-11-08 15:07:16,467 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 541 transitions. Word has length 126 [2024-11-08 15:07:16,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:16,468 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 541 transitions. [2024-11-08 15:07:16,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:16,468 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 541 transitions. [2024-11-08 15:07:16,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-08 15:07:16,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:16,473 INFO L215 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:16,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 15:07:16,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-08 15:07:16,674 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:16,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:16,675 INFO L85 PathProgramCache]: Analyzing trace with hash -337301568, now seen corresponding path program 1 times [2024-11-08 15:07:16,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:16,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793319018] [2024-11-08 15:07:16,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:16,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:16,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:16,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:16,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:16,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 15:07:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:16,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 15:07:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:16,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 15:07:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:16,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 15:07:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:16,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 15:07:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:16,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 15:07:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:16,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 15:07:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:16,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 15:07:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:16,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 15:07:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:16,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 15:07:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:16,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 15:07:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:16,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 15:07:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:16,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 15:07:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:16,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 15:07:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:16,899 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:07:16,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:16,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793319018] [2024-11-08 15:07:16,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793319018] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:07:16,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541336233] [2024-11-08 15:07:16,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:16,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:07:16,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:07:16,902 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:07:16,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 15:07:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:17,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 1134 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 15:07:17,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:07:17,177 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 15:07:17,177 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:07:17,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541336233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:17,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:07:17,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 15:07:17,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022822615] [2024-11-08 15:07:17,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:17,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:07:17,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:17,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:07:17,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:07:17,180 INFO L87 Difference]: Start difference. First operand 367 states and 541 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:17,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:17,212 INFO L93 Difference]: Finished difference Result 584 states and 841 transitions. [2024-11-08 15:07:17,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:07:17,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 127 [2024-11-08 15:07:17,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:17,215 INFO L225 Difference]: With dead ends: 584 [2024-11-08 15:07:17,215 INFO L226 Difference]: Without dead ends: 370 [2024-11-08 15:07:17,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:07:17,217 INFO L432 NwaCegarLoop]: 539 mSDtfsCounter, 1 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:17,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1076 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:07:17,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-08 15:07:17,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 369. [2024-11-08 15:07:17,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 284 states have (on average 1.4859154929577465) internal successors, (422), 287 states have internal predecessors, (422), 61 states have call successors, (61), 23 states have call predecessors, (61), 23 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-08 15:07:17,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 543 transitions. [2024-11-08 15:07:17,234 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 543 transitions. Word has length 127 [2024-11-08 15:07:17,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:17,235 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 543 transitions. [2024-11-08 15:07:17,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:17,235 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 543 transitions. [2024-11-08 15:07:17,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-08 15:07:17,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:17,243 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:17,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-08 15:07:17,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-08 15:07:17,448 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:17,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:17,449 INFO L85 PathProgramCache]: Analyzing trace with hash -2047662697, now seen corresponding path program 1 times [2024-11-08 15:07:17,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:17,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137150989] [2024-11-08 15:07:17,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:17,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:17,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:17,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:17,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:17,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 15:07:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:17,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 15:07:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:17,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 15:07:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:17,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 15:07:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:17,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 15:07:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:17,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 15:07:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:17,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 15:07:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:17,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 15:07:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:17,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 15:07:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:17,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 15:07:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:17,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 15:07:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:17,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 15:07:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:17,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 15:07:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:17,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 15:07:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:17,837 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 15:07:17,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:17,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137150989] [2024-11-08 15:07:17,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137150989] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:07:17,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441961360] [2024-11-08 15:07:17,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:17,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:07:17,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:07:17,840 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:07:17,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 15:07:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:18,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 1146 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 15:07:18,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:07:18,119 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 15:07:18,119 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:07:18,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441961360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:18,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:07:18,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 15:07:18,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224851948] [2024-11-08 15:07:18,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:18,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:07:18,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:18,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:07:18,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:07:18,122 INFO L87 Difference]: Start difference. First operand 369 states and 543 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:18,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:18,152 INFO L93 Difference]: Finished difference Result 768 states and 1145 transitions. [2024-11-08 15:07:18,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:07:18,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 133 [2024-11-08 15:07:18,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:18,156 INFO L225 Difference]: With dead ends: 768 [2024-11-08 15:07:18,156 INFO L226 Difference]: Without dead ends: 426 [2024-11-08 15:07:18,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:07:18,158 INFO L432 NwaCegarLoop]: 544 mSDtfsCounter, 107 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:18,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 1036 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:07:18,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-08 15:07:18,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 418. [2024-11-08 15:07:18,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 322 states have (on average 1.5031055900621118) internal successors, (484), 325 states have internal predecessors, (484), 72 states have call successors, (72), 23 states have call predecessors, (72), 23 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-08 15:07:18,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 627 transitions. [2024-11-08 15:07:18,180 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 627 transitions. Word has length 133 [2024-11-08 15:07:18,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:18,180 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 627 transitions. [2024-11-08 15:07:18,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:18,180 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 627 transitions. [2024-11-08 15:07:18,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 15:07:18,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:18,183 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:18,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 15:07:18,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:07:18,384 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:18,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:18,389 INFO L85 PathProgramCache]: Analyzing trace with hash 790744338, now seen corresponding path program 1 times [2024-11-08 15:07:18,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:18,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099645633] [2024-11-08 15:07:18,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:18,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:18,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:18,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:18,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:18,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 15:07:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:18,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 15:07:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:18,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 15:07:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:18,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 15:07:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:18,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 15:07:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:18,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 15:07:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:18,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 15:07:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:18,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 15:07:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:18,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:07:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:18,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 15:07:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:18,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 15:07:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:18,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 15:07:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:18,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 15:07:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:18,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 15:07:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:18,607 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 15:07:18,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:18,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099645633] [2024-11-08 15:07:18,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099645633] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:07:18,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263670074] [2024-11-08 15:07:18,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:18,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:07:18,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:07:18,612 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:07:18,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 15:07:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:18,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 1151 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 15:07:18,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:07:18,915 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-08 15:07:18,917 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:07:18,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263670074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:18,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:07:18,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-08 15:07:18,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257456856] [2024-11-08 15:07:18,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:18,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:07:18,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:18,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:07:18,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:07:18,921 INFO L87 Difference]: Start difference. First operand 418 states and 627 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-08 15:07:18,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:18,998 INFO L93 Difference]: Finished difference Result 827 states and 1244 transitions. [2024-11-08 15:07:18,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:07:18,999 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 134 [2024-11-08 15:07:18,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:19,001 INFO L225 Difference]: With dead ends: 827 [2024-11-08 15:07:19,001 INFO L226 Difference]: Without dead ends: 420 [2024-11-08 15:07:19,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:07:19,003 INFO L432 NwaCegarLoop]: 533 mSDtfsCounter, 2 mSDsluCounter, 1588 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2121 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:19,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2121 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:07:19,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-08 15:07:19,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2024-11-08 15:07:19,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 323 states have (on average 1.501547987616099) internal successors, (485), 327 states have internal predecessors, (485), 72 states have call successors, (72), 23 states have call predecessors, (72), 24 states have return successors, (73), 71 states have call predecessors, (73), 71 states have call successors, (73) [2024-11-08 15:07:19,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 630 transitions. [2024-11-08 15:07:19,019 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 630 transitions. Word has length 134 [2024-11-08 15:07:19,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:19,019 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 630 transitions. [2024-11-08 15:07:19,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-08 15:07:19,019 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 630 transitions. [2024-11-08 15:07:19,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 15:07:19,021 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:19,021 INFO L215 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:19,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-08 15:07:19,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:07:19,222 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:19,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:19,223 INFO L85 PathProgramCache]: Analyzing trace with hash -610465485, now seen corresponding path program 1 times [2024-11-08 15:07:19,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:19,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788561771] [2024-11-08 15:07:19,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:19,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:19,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:19,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:19,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:19,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:19,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 15:07:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:19,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:07:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:19,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 15:07:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:19,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 15:07:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:19,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 15:07:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:19,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 15:07:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:19,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 15:07:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:19,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 15:07:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:19,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 15:07:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:19,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 15:07:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:19,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 15:07:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:19,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 15:07:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:19,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 15:07:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:19,418 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 15:07:19,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:19,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788561771] [2024-11-08 15:07:19,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788561771] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:07:19,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535659128] [2024-11-08 15:07:19,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:19,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:07:19,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:07:19,422 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:07:19,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 15:07:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:19,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 15:07:19,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:07:19,835 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-08 15:07:19,836 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:07:19,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535659128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:19,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:07:19,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-08 15:07:19,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325382360] [2024-11-08 15:07:19,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:19,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:07:19,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:19,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:07:19,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 15:07:19,837 INFO L87 Difference]: Start difference. First operand 420 states and 630 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-08 15:07:19,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:19,920 INFO L93 Difference]: Finished difference Result 829 states and 1249 transitions. [2024-11-08 15:07:19,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:07:19,921 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 135 [2024-11-08 15:07:19,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:19,923 INFO L225 Difference]: With dead ends: 829 [2024-11-08 15:07:19,923 INFO L226 Difference]: Without dead ends: 422 [2024-11-08 15:07:19,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 15:07:19,928 INFO L432 NwaCegarLoop]: 531 mSDtfsCounter, 2 mSDsluCounter, 1576 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2107 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:19,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2107 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:07:19,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-08 15:07:19,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 422. [2024-11-08 15:07:19,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 324 states have (on average 1.5) internal successors, (486), 329 states have internal predecessors, (486), 72 states have call successors, (72), 23 states have call predecessors, (72), 25 states have return successors, (78), 71 states have call predecessors, (78), 71 states have call successors, (78) [2024-11-08 15:07:19,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 636 transitions. [2024-11-08 15:07:19,952 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 636 transitions. Word has length 135 [2024-11-08 15:07:19,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:19,952 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 636 transitions. [2024-11-08 15:07:19,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-08 15:07:19,953 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 636 transitions. [2024-11-08 15:07:19,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 15:07:19,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:19,957 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:19,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 15:07:20,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:07:20,162 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:20,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:20,163 INFO L85 PathProgramCache]: Analyzing trace with hash -304652879, now seen corresponding path program 1 times [2024-11-08 15:07:20,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:20,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889507635] [2024-11-08 15:07:20,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:20,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:20,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:20,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:20,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:20,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:20,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:07:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:20,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 15:07:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:20,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 15:07:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:20,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 15:07:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:20,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 15:07:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:20,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 15:07:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:20,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 15:07:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:20,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 15:07:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:20,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 15:07:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:20,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 15:07:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:20,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 15:07:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:20,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 15:07:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:20,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 15:07:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:20,345 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 15:07:20,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:20,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889507635] [2024-11-08 15:07:20,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889507635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:20,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:07:20,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 15:07:20,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081326901] [2024-11-08 15:07:20,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:20,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:07:20,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:20,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:07:20,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:07:20,347 INFO L87 Difference]: Start difference. First operand 422 states and 636 transitions. Second operand has 9 states, 8 states have (on average 10.375) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-08 15:07:22,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:22,322 INFO L93 Difference]: Finished difference Result 1011 states and 1522 transitions. [2024-11-08 15:07:22,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 15:07:22,323 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 136 [2024-11-08 15:07:22,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:22,329 INFO L225 Difference]: With dead ends: 1011 [2024-11-08 15:07:22,329 INFO L226 Difference]: Without dead ends: 612 [2024-11-08 15:07:22,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 15:07:22,332 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 1196 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 2972 mSolverCounterSat, 398 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1197 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 3370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 398 IncrementalHoareTripleChecker+Valid, 2972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:22,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1197 Valid, 1108 Invalid, 3370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [398 Valid, 2972 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 15:07:22,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2024-11-08 15:07:22,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 422. [2024-11-08 15:07:22,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 324 states have (on average 1.5) internal successors, (486), 329 states have internal predecessors, (486), 72 states have call successors, (72), 23 states have call predecessors, (72), 25 states have return successors, (77), 71 states have call predecessors, (77), 71 states have call successors, (77) [2024-11-08 15:07:22,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 635 transitions. [2024-11-08 15:07:22,378 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 635 transitions. Word has length 136 [2024-11-08 15:07:22,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:22,378 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 635 transitions. [2024-11-08 15:07:22,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-08 15:07:22,378 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 635 transitions. [2024-11-08 15:07:22,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 15:07:22,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:22,380 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:22,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 15:07:22,380 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:22,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:22,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1755102132, now seen corresponding path program 2 times [2024-11-08 15:07:22,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:22,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722111771] [2024-11-08 15:07:22,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:22,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:22,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:22,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:22,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:22,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:22,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:07:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:22,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 15:07:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:22,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 15:07:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:22,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 15:07:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:22,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 15:07:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:22,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 15:07:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:22,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 15:07:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:22,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 15:07:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:22,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 15:07:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:22,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 15:07:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:22,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:07:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:22,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 15:07:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:22,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 15:07:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:22,570 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 15:07:22,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:22,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722111771] [2024-11-08 15:07:22,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722111771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:22,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:07:22,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 15:07:22,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80620384] [2024-11-08 15:07:22,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:22,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:07:22,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:22,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:07:22,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:07:22,573 INFO L87 Difference]: Start difference. First operand 422 states and 635 transitions. Second operand has 9 states, 8 states have (on average 10.5) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-08 15:07:24,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:24,502 INFO L93 Difference]: Finished difference Result 1013 states and 1525 transitions. [2024-11-08 15:07:24,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 15:07:24,503 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 137 [2024-11-08 15:07:24,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:24,507 INFO L225 Difference]: With dead ends: 1013 [2024-11-08 15:07:24,510 INFO L226 Difference]: Without dead ends: 614 [2024-11-08 15:07:24,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 15:07:24,512 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 1192 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 2989 mSolverCounterSat, 398 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1193 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 3387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 398 IncrementalHoareTripleChecker+Valid, 2989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:24,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1193 Valid, 1108 Invalid, 3387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [398 Valid, 2989 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 15:07:24,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2024-11-08 15:07:24,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 424. [2024-11-08 15:07:24,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 325 states have (on average 1.4984615384615385) internal successors, (487), 331 states have internal predecessors, (487), 72 states have call successors, (72), 23 states have call predecessors, (72), 26 states have return successors, (79), 71 states have call predecessors, (79), 71 states have call successors, (79) [2024-11-08 15:07:24,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 638 transitions. [2024-11-08 15:07:24,542 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 638 transitions. Word has length 137 [2024-11-08 15:07:24,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:24,542 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 638 transitions. [2024-11-08 15:07:24,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-08 15:07:24,543 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 638 transitions. [2024-11-08 15:07:24,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 15:07:24,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:24,545 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:24,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 15:07:24,546 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:24,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:24,546 INFO L85 PathProgramCache]: Analyzing trace with hash 811193644, now seen corresponding path program 1 times [2024-11-08 15:07:24,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:24,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354581312] [2024-11-08 15:07:24,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:24,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:24,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:24,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:24,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:24,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:24,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:24,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:07:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:24,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:07:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:24,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 15:07:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:24,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 15:07:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:24,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 15:07:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:24,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 15:07:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:24,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 15:07:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:24,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 15:07:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:24,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 15:07:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:24,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 15:07:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:24,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 15:07:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:24,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 15:07:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:24,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 15:07:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:24,797 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 15:07:24,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:24,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354581312] [2024-11-08 15:07:24,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354581312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:24,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:07:24,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 15:07:24,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546155014] [2024-11-08 15:07:24,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:24,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 15:07:24,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:24,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 15:07:24,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:07:24,800 INFO L87 Difference]: Start difference. First operand 424 states and 638 transitions. Second operand has 12 states, 11 states have (on average 8.0) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-08 15:07:27,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:27,370 INFO L93 Difference]: Finished difference Result 1011 states and 1520 transitions. [2024-11-08 15:07:27,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 15:07:27,371 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 138 [2024-11-08 15:07:27,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:27,375 INFO L225 Difference]: With dead ends: 1011 [2024-11-08 15:07:27,375 INFO L226 Difference]: Without dead ends: 614 [2024-11-08 15:07:27,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 15:07:27,377 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 1196 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 4955 mSolverCounterSat, 404 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1197 SdHoareTripleChecker+Valid, 1535 SdHoareTripleChecker+Invalid, 5359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 404 IncrementalHoareTripleChecker+Valid, 4955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:27,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1197 Valid, 1535 Invalid, 5359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [404 Valid, 4955 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 15:07:27,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2024-11-08 15:07:27,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 424. [2024-11-08 15:07:27,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 325 states have (on average 1.4984615384615385) internal successors, (487), 331 states have internal predecessors, (487), 72 states have call successors, (72), 23 states have call predecessors, (72), 26 states have return successors, (78), 71 states have call predecessors, (78), 71 states have call successors, (78) [2024-11-08 15:07:27,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 637 transitions. [2024-11-08 15:07:27,402 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 637 transitions. Word has length 138 [2024-11-08 15:07:27,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:27,402 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 637 transitions. [2024-11-08 15:07:27,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-08 15:07:27,402 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 637 transitions. [2024-11-08 15:07:27,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 15:07:27,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:27,404 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:27,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 15:07:27,404 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:27,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:27,404 INFO L85 PathProgramCache]: Analyzing trace with hash 169071964, now seen corresponding path program 2 times [2024-11-08 15:07:27,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:27,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510300098] [2024-11-08 15:07:27,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:27,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:27,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:27,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:27,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:27,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:27,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:07:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:27,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:07:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:27,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 15:07:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:27,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 15:07:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:27,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 15:07:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:27,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 15:07:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:27,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 15:07:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:27,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 15:07:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:27,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 15:07:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:27,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 15:07:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:27,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 15:07:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:27,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 15:07:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:27,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 15:07:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:27,616 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 15:07:27,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:27,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510300098] [2024-11-08 15:07:27,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510300098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:27,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:07:27,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 15:07:27,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105002099] [2024-11-08 15:07:27,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:27,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 15:07:27,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:27,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 15:07:27,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:07:27,619 INFO L87 Difference]: Start difference. First operand 424 states and 637 transitions. Second operand has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-08 15:07:30,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:30,454 INFO L93 Difference]: Finished difference Result 1013 states and 1526 transitions. [2024-11-08 15:07:30,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 15:07:30,455 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 139 [2024-11-08 15:07:30,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:30,458 INFO L225 Difference]: With dead ends: 1013 [2024-11-08 15:07:30,458 INFO L226 Difference]: Without dead ends: 616 [2024-11-08 15:07:30,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 15:07:30,460 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 1192 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 4999 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1193 SdHoareTripleChecker+Valid, 1536 SdHoareTripleChecker+Invalid, 5400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 4999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:30,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1193 Valid, 1536 Invalid, 5400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 4999 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-08 15:07:30,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-11-08 15:07:30,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 426. [2024-11-08 15:07:30,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 326 states have (on average 1.4969325153374233) internal successors, (488), 333 states have internal predecessors, (488), 72 states have call successors, (72), 23 states have call predecessors, (72), 27 states have return successors, (83), 71 states have call predecessors, (83), 71 states have call successors, (83) [2024-11-08 15:07:30,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 643 transitions. [2024-11-08 15:07:30,480 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 643 transitions. Word has length 139 [2024-11-08 15:07:30,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:30,481 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 643 transitions. [2024-11-08 15:07:30,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.090909090909092) internal successors, (89), 8 states have internal predecessors, (89), 4 states have call successors, (19), 6 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-08 15:07:30,481 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 643 transitions. [2024-11-08 15:07:30,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 15:07:30,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:30,483 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:30,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 15:07:30,483 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:30,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:30,483 INFO L85 PathProgramCache]: Analyzing trace with hash -903691641, now seen corresponding path program 1 times [2024-11-08 15:07:30,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:30,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795089153] [2024-11-08 15:07:30,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:30,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:07:30,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:07:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 15:07:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 15:07:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 15:07:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 15:07:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 15:07:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 15:07:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 15:07:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 15:07:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 15:07:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 15:07:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 15:07:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,589 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 15:07:30,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:30,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795089153] [2024-11-08 15:07:30,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795089153] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:07:30,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685152520] [2024-11-08 15:07:30,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:30,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:07:30,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:07:30,595 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:07:30,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 15:07:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:30,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 15:07:30,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:07:30,884 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 15:07:30,884 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 15:07:30,994 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 15:07:30,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685152520] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 15:07:30,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 15:07:30,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-11-08 15:07:30,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934006508] [2024-11-08 15:07:30,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 15:07:30,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 15:07:30,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:30,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 15:07:30,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-08 15:07:30,999 INFO L87 Difference]: Start difference. First operand 426 states and 643 transitions. Second operand has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 7 states have internal predecessors, (128), 2 states have call successors, (39), 6 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-08 15:07:32,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:32,904 INFO L93 Difference]: Finished difference Result 1182 states and 1854 transitions. [2024-11-08 15:07:32,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 15:07:32,905 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 7 states have internal predecessors, (128), 2 states have call successors, (39), 6 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 140 [2024-11-08 15:07:32,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:32,909 INFO L225 Difference]: With dead ends: 1182 [2024-11-08 15:07:32,910 INFO L226 Difference]: Without dead ends: 968 [2024-11-08 15:07:32,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-08 15:07:32,912 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 1600 mSDsluCounter, 1198 mSDsCounter, 0 mSdLazyCounter, 2505 mSolverCounterSat, 543 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1645 SdHoareTripleChecker+Valid, 1426 SdHoareTripleChecker+Invalid, 3048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 543 IncrementalHoareTripleChecker+Valid, 2505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:32,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1645 Valid, 1426 Invalid, 3048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [543 Valid, 2505 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 15:07:32,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2024-11-08 15:07:32,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 754. [2024-11-08 15:07:32,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 754 states, 590 states have (on average 1.5694915254237287) internal successors, (926), 597 states have internal predecessors, (926), 136 states have call successors, (136), 23 states have call predecessors, (136), 27 states have return successors, (157), 135 states have call predecessors, (157), 135 states have call successors, (157) [2024-11-08 15:07:32,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1219 transitions. [2024-11-08 15:07:32,955 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1219 transitions. Word has length 140 [2024-11-08 15:07:32,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:32,955 INFO L471 AbstractCegarLoop]: Abstraction has 754 states and 1219 transitions. [2024-11-08 15:07:32,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.636363636363637) internal successors, (128), 7 states have internal predecessors, (128), 2 states have call successors, (39), 6 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-08 15:07:32,955 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1219 transitions. [2024-11-08 15:07:32,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-08 15:07:32,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:32,958 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:32,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 15:07:33,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:07:33,158 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:33,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:33,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1843294026, now seen corresponding path program 1 times [2024-11-08 15:07:33,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:33,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789167346] [2024-11-08 15:07:33,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:33,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:33,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:33,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:33,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:33,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:33,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:07:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:33,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:07:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:33,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 15:07:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:33,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 15:07:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:33,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 15:07:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:33,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 15:07:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:33,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 15:07:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:33,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 15:07:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:33,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 15:07:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:33,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 15:07:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:33,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 15:07:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:33,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 15:07:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:33,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 15:07:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:33,261 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 15:07:33,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:33,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789167346] [2024-11-08 15:07:33,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789167346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:33,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:07:33,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:07:33,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138165702] [2024-11-08 15:07:33,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:33,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:07:33,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:33,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:07:33,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:07:33,262 INFO L87 Difference]: Start difference. First operand 754 states and 1219 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:34,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:34,693 INFO L93 Difference]: Finished difference Result 1963 states and 3225 transitions. [2024-11-08 15:07:34,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:07:34,693 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 146 [2024-11-08 15:07:34,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:34,699 INFO L225 Difference]: With dead ends: 1963 [2024-11-08 15:07:34,699 INFO L226 Difference]: Without dead ends: 1277 [2024-11-08 15:07:34,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:07:34,701 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 1296 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 1702 mSolverCounterSat, 451 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1311 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 2153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 451 IncrementalHoareTripleChecker+Valid, 1702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:34,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1311 Valid, 856 Invalid, 2153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [451 Valid, 1702 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 15:07:34,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2024-11-08 15:07:34,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1079. [2024-11-08 15:07:34,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1079 states, 851 states have (on average 1.5875440658049353) internal successors, (1351), 858 states have internal predecessors, (1351), 200 states have call successors, (200), 23 states have call predecessors, (200), 27 states have return successors, (231), 199 states have call predecessors, (231), 199 states have call successors, (231) [2024-11-08 15:07:34,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1782 transitions. [2024-11-08 15:07:34,740 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1782 transitions. Word has length 146 [2024-11-08 15:07:34,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:34,740 INFO L471 AbstractCegarLoop]: Abstraction has 1079 states and 1782 transitions. [2024-11-08 15:07:34,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:34,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1782 transitions. [2024-11-08 15:07:34,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 15:07:34,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:34,744 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:34,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 15:07:34,744 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:34,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:34,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1634004674, now seen corresponding path program 1 times [2024-11-08 15:07:34,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:34,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7902946] [2024-11-08 15:07:34,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:34,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:34,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:34,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:34,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:34,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:34,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:07:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:34,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:07:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:34,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 15:07:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:34,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 15:07:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:34,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 15:07:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:34,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 15:07:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:34,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 15:07:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:34,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 15:07:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:34,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 15:07:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:34,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 15:07:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:34,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 15:07:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:34,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 15:07:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:34,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 15:07:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:34,843 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 15:07:34,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:34,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7902946] [2024-11-08 15:07:34,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7902946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:34,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:07:34,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:07:34,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279691156] [2024-11-08 15:07:34,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:34,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:07:34,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:34,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:07:34,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:07:34,846 INFO L87 Difference]: Start difference. First operand 1079 states and 1782 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:36,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:36,300 INFO L93 Difference]: Finished difference Result 2743 states and 4574 transitions. [2024-11-08 15:07:36,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:07:36,301 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 147 [2024-11-08 15:07:36,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:36,315 INFO L225 Difference]: With dead ends: 2743 [2024-11-08 15:07:36,319 INFO L226 Difference]: Without dead ends: 1785 [2024-11-08 15:07:36,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:07:36,326 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 1294 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 1681 mSolverCounterSat, 459 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1309 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 2140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 459 IncrementalHoareTripleChecker+Valid, 1681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:36,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1309 Valid, 819 Invalid, 2140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [459 Valid, 1681 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 15:07:36,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1785 states. [2024-11-08 15:07:36,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1785 to 1587. [2024-11-08 15:07:36,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1587 states, 1264 states have (on average 1.5996835443037976) internal successors, (2022), 1271 states have internal predecessors, (2022), 295 states have call successors, (295), 23 states have call predecessors, (295), 27 states have return successors, (326), 294 states have call predecessors, (326), 294 states have call successors, (326) [2024-11-08 15:07:36,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1587 states and 2643 transitions. [2024-11-08 15:07:36,459 INFO L78 Accepts]: Start accepts. Automaton has 1587 states and 2643 transitions. Word has length 147 [2024-11-08 15:07:36,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:36,459 INFO L471 AbstractCegarLoop]: Abstraction has 1587 states and 2643 transitions. [2024-11-08 15:07:36,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:36,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 2643 transitions. [2024-11-08 15:07:36,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-08 15:07:36,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:36,468 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:36,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 15:07:36,468 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:36,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:36,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1281911896, now seen corresponding path program 1 times [2024-11-08 15:07:36,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:36,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212591014] [2024-11-08 15:07:36,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:36,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:36,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:36,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:36,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:36,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:36,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:07:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:36,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:07:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:36,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 15:07:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:36,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 15:07:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:36,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 15:07:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:36,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 15:07:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:36,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 15:07:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:36,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 15:07:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:36,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 15:07:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:36,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 15:07:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:36,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 15:07:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:36,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-08 15:07:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:36,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-08 15:07:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:36,562 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 15:07:36,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:36,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212591014] [2024-11-08 15:07:36,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212591014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:36,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:07:36,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:07:36,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706696244] [2024-11-08 15:07:36,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:36,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:07:36,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:36,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:07:36,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:07:36,564 INFO L87 Difference]: Start difference. First operand 1587 states and 2643 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:37,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:37,991 INFO L93 Difference]: Finished difference Result 3895 states and 6583 transitions. [2024-11-08 15:07:37,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:07:37,991 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2024-11-08 15:07:37,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:38,009 INFO L225 Difference]: With dead ends: 3895 [2024-11-08 15:07:38,010 INFO L226 Difference]: Without dead ends: 2554 [2024-11-08 15:07:38,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:07:38,014 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 1292 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 1672 mSolverCounterSat, 450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1307 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 2122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 1672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:38,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1307 Valid, 811 Invalid, 2122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 1672 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 15:07:38,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2554 states. [2024-11-08 15:07:38,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2554 to 2356. [2024-11-08 15:07:38,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2356 states, 1910 states have (on average 1.6089005235602094) internal successors, (3073), 1917 states have internal predecessors, (3073), 418 states have call successors, (418), 23 states have call predecessors, (418), 27 states have return successors, (465), 417 states have call predecessors, (465), 417 states have call successors, (465) [2024-11-08 15:07:38,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 2356 states and 3956 transitions. [2024-11-08 15:07:38,084 INFO L78 Accepts]: Start accepts. Automaton has 2356 states and 3956 transitions. Word has length 148 [2024-11-08 15:07:38,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:38,085 INFO L471 AbstractCegarLoop]: Abstraction has 2356 states and 3956 transitions. [2024-11-08 15:07:38,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:38,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2356 states and 3956 transitions. [2024-11-08 15:07:38,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 15:07:38,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:38,093 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:38,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 15:07:38,093 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:38,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:38,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1639506049, now seen corresponding path program 1 times [2024-11-08 15:07:38,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:38,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904884930] [2024-11-08 15:07:38,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:38,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:38,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:38,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:38,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:38,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:38,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:07:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:38,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:07:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:38,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 15:07:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:38,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 15:07:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:38,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 15:07:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:38,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 15:07:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:38,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 15:07:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:38,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 15:07:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:38,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 15:07:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:38,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 15:07:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:38,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 15:07:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:38,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-08 15:07:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:38,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-08 15:07:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:38,232 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 15:07:38,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:38,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904884930] [2024-11-08 15:07:38,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904884930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:38,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:07:38,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:07:38,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056378285] [2024-11-08 15:07:38,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:38,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:07:38,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:38,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:07:38,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:07:38,234 INFO L87 Difference]: Start difference. First operand 2356 states and 3956 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:39,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:39,718 INFO L93 Difference]: Finished difference Result 5689 states and 9717 transitions. [2024-11-08 15:07:39,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:07:39,719 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 149 [2024-11-08 15:07:39,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:39,735 INFO L225 Difference]: With dead ends: 5689 [2024-11-08 15:07:39,735 INFO L226 Difference]: Without dead ends: 3783 [2024-11-08 15:07:39,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:07:39,742 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 1290 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 1681 mSolverCounterSat, 451 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1305 SdHoareTripleChecker+Valid, 814 SdHoareTripleChecker+Invalid, 2132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 451 IncrementalHoareTripleChecker+Valid, 1681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:39,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1305 Valid, 814 Invalid, 2132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [451 Valid, 1681 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 15:07:39,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3783 states. [2024-11-08 15:07:39,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3783 to 3585. [2024-11-08 15:07:39,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3585 states, 2960 states have (on average 1.614864864864865) internal successors, (4780), 2967 states have internal predecessors, (4780), 597 states have call successors, (597), 23 states have call predecessors, (597), 27 states have return successors, (670), 596 states have call predecessors, (670), 596 states have call successors, (670) [2024-11-08 15:07:39,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3585 states to 3585 states and 6047 transitions. [2024-11-08 15:07:39,893 INFO L78 Accepts]: Start accepts. Automaton has 3585 states and 6047 transitions. Word has length 149 [2024-11-08 15:07:39,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:39,893 INFO L471 AbstractCegarLoop]: Abstraction has 3585 states and 6047 transitions. [2024-11-08 15:07:39,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:39,893 INFO L276 IsEmpty]: Start isEmpty. Operand 3585 states and 6047 transitions. [2024-11-08 15:07:39,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 15:07:39,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:39,905 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:39,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 15:07:39,905 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:39,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:39,905 INFO L85 PathProgramCache]: Analyzing trace with hash 445863980, now seen corresponding path program 1 times [2024-11-08 15:07:39,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:39,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378745544] [2024-11-08 15:07:39,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:39,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:39,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:39,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:39,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:39,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:39,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:07:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:39,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:07:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:39,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 15:07:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:39,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 15:07:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:39,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 15:07:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:39,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 15:07:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:39,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 15:07:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:39,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 15:07:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:39,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 15:07:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:39,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 15:07:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:39,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 15:07:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:39,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 15:07:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:39,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 15:07:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:39,987 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 15:07:39,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:39,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378745544] [2024-11-08 15:07:39,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378745544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:39,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:07:39,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:07:39,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92908506] [2024-11-08 15:07:39,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:39,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:07:39,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:39,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:07:39,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:07:39,989 INFO L87 Difference]: Start difference. First operand 3585 states and 6047 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:41,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:41,483 INFO L93 Difference]: Finished difference Result 8637 states and 14864 transitions. [2024-11-08 15:07:41,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:07:41,484 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 150 [2024-11-08 15:07:41,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:41,505 INFO L225 Difference]: With dead ends: 8637 [2024-11-08 15:07:41,505 INFO L226 Difference]: Without dead ends: 5814 [2024-11-08 15:07:41,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:07:41,512 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1288 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 1712 mSolverCounterSat, 450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1303 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 2162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 1712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:41,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1303 Valid, 864 Invalid, 2162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 1712 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 15:07:41,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5814 states. [2024-11-08 15:07:41,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5814 to 5616. [2024-11-08 15:07:41,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5616 states, 4615 states have (on average 1.610400866738895) internal successors, (7432), 4622 states have internal predecessors, (7432), 973 states have call successors, (973), 23 states have call predecessors, (973), 27 states have return successors, (1090), 972 states have call predecessors, (1090), 972 states have call successors, (1090) [2024-11-08 15:07:41,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5616 states to 5616 states and 9495 transitions. [2024-11-08 15:07:41,688 INFO L78 Accepts]: Start accepts. Automaton has 5616 states and 9495 transitions. Word has length 150 [2024-11-08 15:07:41,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:41,688 INFO L471 AbstractCegarLoop]: Abstraction has 5616 states and 9495 transitions. [2024-11-08 15:07:41,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:41,689 INFO L276 IsEmpty]: Start isEmpty. Operand 5616 states and 9495 transitions. [2024-11-08 15:07:41,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-08 15:07:41,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:41,708 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:41,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 15:07:41,708 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:41,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:41,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1000804355, now seen corresponding path program 1 times [2024-11-08 15:07:41,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:41,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896646464] [2024-11-08 15:07:41,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:41,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:41,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:41,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:41,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:41,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:41,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:07:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:41,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:07:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:41,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 15:07:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:41,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 15:07:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:41,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 15:07:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:41,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:07:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:41,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 15:07:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:41,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 15:07:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:41,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:07:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:41,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 15:07:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:41,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 15:07:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:41,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 15:07:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:41,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 15:07:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:41,878 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 15:07:41,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:41,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896646464] [2024-11-08 15:07:41,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896646464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:41,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:07:41,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:07:41,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688099280] [2024-11-08 15:07:41,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:41,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:07:41,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:41,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:07:41,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:07:41,880 INFO L87 Difference]: Start difference. First operand 5616 states and 9495 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:43,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:43,450 INFO L93 Difference]: Finished difference Result 13974 states and 24085 transitions. [2024-11-08 15:07:43,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:07:43,450 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 151 [2024-11-08 15:07:43,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:43,486 INFO L225 Difference]: With dead ends: 13974 [2024-11-08 15:07:43,487 INFO L226 Difference]: Without dead ends: 9497 [2024-11-08 15:07:43,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:07:43,500 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 1286 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 1682 mSolverCounterSat, 458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1301 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 2140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 458 IncrementalHoareTripleChecker+Valid, 1682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:43,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1301 Valid, 819 Invalid, 2140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [458 Valid, 1682 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 15:07:43,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9497 states. [2024-11-08 15:07:43,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9497 to 9299. [2024-11-08 15:07:43,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9299 states, 7692 states have (on average 1.609204368174727) internal successors, (12378), 7699 states have internal predecessors, (12378), 1579 states have call successors, (1579), 23 states have call predecessors, (1579), 27 states have return successors, (1774), 1578 states have call predecessors, (1774), 1578 states have call successors, (1774) [2024-11-08 15:07:43,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9299 states to 9299 states and 15731 transitions. [2024-11-08 15:07:43,778 INFO L78 Accepts]: Start accepts. Automaton has 9299 states and 15731 transitions. Word has length 151 [2024-11-08 15:07:43,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:43,781 INFO L471 AbstractCegarLoop]: Abstraction has 9299 states and 15731 transitions. [2024-11-08 15:07:43,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:43,781 INFO L276 IsEmpty]: Start isEmpty. Operand 9299 states and 15731 transitions. [2024-11-08 15:07:43,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-08 15:07:43,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:43,804 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:43,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 15:07:43,805 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:43,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:43,805 INFO L85 PathProgramCache]: Analyzing trace with hash 889735870, now seen corresponding path program 1 times [2024-11-08 15:07:43,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:43,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471700107] [2024-11-08 15:07:43,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:43,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:43,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:43,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:43,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:43,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:43,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:07:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:43,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:07:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:43,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 15:07:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:43,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 15:07:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:43,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 15:07:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:43,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 15:07:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:43,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 15:07:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:43,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 15:07:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:43,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 15:07:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:43,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 15:07:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:43,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 15:07:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:43,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 15:07:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:43,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 15:07:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:43,982 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 15:07:43,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:43,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471700107] [2024-11-08 15:07:43,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471700107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:43,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:07:43,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:07:43,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454558029] [2024-11-08 15:07:43,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:43,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:07:43,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:43,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:07:43,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:07:43,983 INFO L87 Difference]: Start difference. First operand 9299 states and 15731 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:45,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:45,860 INFO L93 Difference]: Finished difference Result 24158 states and 41631 transitions. [2024-11-08 15:07:45,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:07:45,860 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 152 [2024-11-08 15:07:45,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:45,951 INFO L225 Difference]: With dead ends: 24158 [2024-11-08 15:07:45,952 INFO L226 Difference]: Without dead ends: 16450 [2024-11-08 15:07:45,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:07:45,994 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 1284 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 1722 mSolverCounterSat, 450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1299 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 2172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 1722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:45,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1299 Valid, 896 Invalid, 2172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 1722 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 15:07:46,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16450 states. [2024-11-08 15:07:46,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16450 to 16252. [2024-11-08 15:07:46,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16252 states, 13442 states have (on average 1.6009522392501117) internal successors, (21520), 13449 states have internal predecessors, (21520), 2782 states have call successors, (2782), 23 states have call predecessors, (2782), 27 states have return successors, (3121), 2781 states have call predecessors, (3121), 2781 states have call successors, (3121) [2024-11-08 15:07:46,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16252 states to 16252 states and 27423 transitions. [2024-11-08 15:07:47,007 INFO L78 Accepts]: Start accepts. Automaton has 16252 states and 27423 transitions. Word has length 152 [2024-11-08 15:07:47,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:47,008 INFO L471 AbstractCegarLoop]: Abstraction has 16252 states and 27423 transitions. [2024-11-08 15:07:47,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:47,008 INFO L276 IsEmpty]: Start isEmpty. Operand 16252 states and 27423 transitions. [2024-11-08 15:07:47,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-08 15:07:47,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:47,076 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:47,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 15:07:47,076 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:47,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:47,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1224471708, now seen corresponding path program 1 times [2024-11-08 15:07:47,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:47,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850300990] [2024-11-08 15:07:47,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:47,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:47,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:47,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:47,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:47,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:47,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:07:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:47,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:07:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:47,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 15:07:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:47,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 15:07:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:47,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 15:07:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:47,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 15:07:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:47,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 15:07:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:47,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 15:07:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:47,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 15:07:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:47,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 15:07:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:47,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 15:07:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:47,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 15:07:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:47,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 15:07:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:47,250 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 15:07:47,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:47,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850300990] [2024-11-08 15:07:47,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850300990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:47,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:07:47,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:07:47,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885021711] [2024-11-08 15:07:47,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:47,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:07:47,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:47,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:07:47,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:07:47,256 INFO L87 Difference]: Start difference. First operand 16252 states and 27423 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:49,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:49,170 INFO L93 Difference]: Finished difference Result 43124 states and 74230 transitions. [2024-11-08 15:07:49,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:07:49,171 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 153 [2024-11-08 15:07:49,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:49,245 INFO L225 Difference]: With dead ends: 43124 [2024-11-08 15:07:49,245 INFO L226 Difference]: Without dead ends: 29105 [2024-11-08 15:07:49,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:07:49,270 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 1282 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 1691 mSolverCounterSat, 458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1297 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 2149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 458 IncrementalHoareTripleChecker+Valid, 1691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:49,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1297 Valid, 815 Invalid, 2149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [458 Valid, 1691 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 15:07:49,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29105 states. [2024-11-08 15:07:49,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29105 to 28907. [2024-11-08 15:07:50,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28907 states, 24058 states have (on average 1.597140244409344) internal successors, (38424), 24065 states have internal predecessors, (38424), 4821 states have call successors, (4821), 23 states have call predecessors, (4821), 27 states have return successors, (5434), 4820 states have call predecessors, (5434), 4820 states have call successors, (5434) [2024-11-08 15:07:50,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28907 states to 28907 states and 48679 transitions. [2024-11-08 15:07:50,088 INFO L78 Accepts]: Start accepts. Automaton has 28907 states and 48679 transitions. Word has length 153 [2024-11-08 15:07:50,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:50,089 INFO L471 AbstractCegarLoop]: Abstraction has 28907 states and 48679 transitions. [2024-11-08 15:07:50,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:50,090 INFO L276 IsEmpty]: Start isEmpty. Operand 28907 states and 48679 transitions. [2024-11-08 15:07:50,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-08 15:07:50,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:50,124 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:50,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 15:07:50,124 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:50,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:50,124 INFO L85 PathProgramCache]: Analyzing trace with hash -413558180, now seen corresponding path program 1 times [2024-11-08 15:07:50,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:50,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296323439] [2024-11-08 15:07:50,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:50,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:50,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:50,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:50,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:50,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:50,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:07:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:50,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:07:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:50,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 15:07:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:50,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 15:07:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:50,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 15:07:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:50,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 15:07:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:50,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 15:07:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:50,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 15:07:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:50,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 15:07:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:50,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 15:07:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:50,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-08 15:07:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:50,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-08 15:07:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:50,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-08 15:07:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:50,395 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 15:07:50,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:50,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296323439] [2024-11-08 15:07:50,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296323439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:50,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:07:50,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:07:50,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920021588] [2024-11-08 15:07:50,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:50,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:07:50,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:50,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:07:50,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:07:50,396 INFO L87 Difference]: Start difference. First operand 28907 states and 48679 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:53,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:53,185 INFO L93 Difference]: Finished difference Result 78886 states and 134989 transitions. [2024-11-08 15:07:53,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:07:53,186 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 154 [2024-11-08 15:07:53,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:53,368 INFO L225 Difference]: With dead ends: 78886 [2024-11-08 15:07:53,368 INFO L226 Difference]: Without dead ends: 52984 [2024-11-08 15:07:53,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:07:53,426 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1280 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 1698 mSolverCounterSat, 454 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1295 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 2152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 454 IncrementalHoareTripleChecker+Valid, 1698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:53,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1295 Valid, 860 Invalid, 2152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [454 Valid, 1698 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 15:07:53,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52984 states. [2024-11-08 15:07:55,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52984 to 52786. [2024-11-08 15:07:55,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52786 states, 44222 states have (on average 1.5918095065804352) internal successors, (70393), 44229 states have internal predecessors, (70393), 8536 states have call successors, (8536), 23 states have call predecessors, (8536), 27 states have return successors, (9681), 8535 states have call predecessors, (9681), 8535 states have call successors, (9681) [2024-11-08 15:07:55,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52786 states to 52786 states and 88610 transitions. [2024-11-08 15:07:55,409 INFO L78 Accepts]: Start accepts. Automaton has 52786 states and 88610 transitions. Word has length 154 [2024-11-08 15:07:55,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:07:55,410 INFO L471 AbstractCegarLoop]: Abstraction has 52786 states and 88610 transitions. [2024-11-08 15:07:55,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:55,410 INFO L276 IsEmpty]: Start isEmpty. Operand 52786 states and 88610 transitions. [2024-11-08 15:07:55,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-08 15:07:55,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:07:55,469 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:07:55,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 15:07:55,469 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:07:55,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:07:55,470 INFO L85 PathProgramCache]: Analyzing trace with hash -59364804, now seen corresponding path program 1 times [2024-11-08 15:07:55,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:07:55,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342541840] [2024-11-08 15:07:55,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:07:55,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:07:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:55,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:07:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:55,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:07:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:55,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:07:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:55,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:07:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:55,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:07:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:55,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:07:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:55,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 15:07:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:55,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 15:07:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:55,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 15:07:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:55,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 15:07:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:55,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 15:07:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:55,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 15:07:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:55,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 15:07:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:55,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 15:07:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:55,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-08 15:07:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:55,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-08 15:07:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:55,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 15:07:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:07:55,609 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 15:07:55,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:07:55,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342541840] [2024-11-08 15:07:55,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342541840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:07:55,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:07:55,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:07:55,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499747495] [2024-11-08 15:07:55,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:07:55,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:07:55,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:07:55,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:07:55,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:07:55,610 INFO L87 Difference]: Start difference. First operand 52786 states and 88610 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:07:59,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:07:59,097 INFO L93 Difference]: Finished difference Result 98657 states and 169176 transitions. [2024-11-08 15:07:59,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:07:59,097 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 155 [2024-11-08 15:07:59,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:07:59,420 INFO L225 Difference]: With dead ends: 98657 [2024-11-08 15:07:59,420 INFO L226 Difference]: Without dead ends: 98443 [2024-11-08 15:07:59,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:07:59,454 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 1275 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 1692 mSolverCounterSat, 450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1289 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 2142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 1692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:07:59,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1289 Valid, 852 Invalid, 2142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 1692 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 15:07:59,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98443 states. [2024-11-08 15:08:02,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98443 to 98245. [2024-11-08 15:08:02,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98245 states, 82882 states have (on average 1.58494003523081) internal successors, (131363), 82889 states have internal predecessors, (131363), 15335 states have call successors, (15335), 23 states have call predecessors, (15335), 27 states have return successors, (17526), 15334 states have call predecessors, (17526), 15334 states have call successors, (17526) [2024-11-08 15:08:02,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98245 states to 98245 states and 164224 transitions. [2024-11-08 15:08:03,003 INFO L78 Accepts]: Start accepts. Automaton has 98245 states and 164224 transitions. Word has length 155 [2024-11-08 15:08:03,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:08:03,004 INFO L471 AbstractCegarLoop]: Abstraction has 98245 states and 164224 transitions. [2024-11-08 15:08:03,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (19), 6 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 15:08:03,004 INFO L276 IsEmpty]: Start isEmpty. Operand 98245 states and 164224 transitions. [2024-11-08 15:08:03,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-08 15:08:03,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:08:03,068 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:08:03,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 15:08:03,068 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:08:03,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:08:03,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1939624509, now seen corresponding path program 1 times [2024-11-08 15:08:03,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:08:03,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241399179] [2024-11-08 15:08:03,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:08:03,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:08:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:08:03,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:08:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:08:03,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:08:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:08:03,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:08:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:08:03,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:08:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:08:03,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:08:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:08:03,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:08:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:08:03,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 15:08:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:08:03,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 15:08:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:08:03,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 15:08:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:08:03,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 15:08:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:08:03,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 15:08:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:08:03,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 15:08:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:08:03,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 15:08:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:08:03,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 15:08:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:08:03,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 15:08:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:08:03,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 15:08:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:08:03,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 15:08:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:08:03,377 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 15:08:03,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:08:03,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241399179] [2024-11-08 15:08:03,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241399179] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:08:03,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063864063] [2024-11-08 15:08:03,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:08:03,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:08:03,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:08:03,382 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:08:03,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 15:08:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:08:03,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 1208 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 15:08:03,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:08:03,911 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-08 15:08:03,911 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 15:08:04,512 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 15:08:04,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063864063] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 15:08:04,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 15:08:04,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9, 9] total 32 [2024-11-08 15:08:04,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111813277] [2024-11-08 15:08:04,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 15:08:04,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-08 15:08:04,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:08:04,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-08 15:08:04,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=914, Unknown=0, NotChecked=0, Total=992 [2024-11-08 15:08:04,514 INFO L87 Difference]: Start difference. First operand 98245 states and 164224 transitions. Second operand has 32 states, 30 states have (on average 8.466666666666667) internal successors, (254), 24 states have internal predecessors, (254), 9 states have call successors, (50), 12 states have call predecessors, (50), 12 states have return successors, (44), 11 states have call predecessors, (44), 9 states have call successors, (44) [2024-11-08 15:08:35,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:08:35,392 INFO L93 Difference]: Finished difference Result 588438 states and 1032489 transitions. [2024-11-08 15:08:35,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-11-08 15:08:35,393 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 30 states have (on average 8.466666666666667) internal successors, (254), 24 states have internal predecessors, (254), 9 states have call successors, (50), 12 states have call predecessors, (50), 12 states have return successors, (44), 11 states have call predecessors, (44), 9 states have call successors, (44) Word has length 156 [2024-11-08 15:08:35,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted.