./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec1_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec1_product30.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 c07a23e40b849b33d08a88f08826cd6b68b33a2f2aee4edabb68f594c2a0aef6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 01:53:07,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 01:53:07,097 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 01:53:07,102 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 01:53:07,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 01:53:07,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 01:53:07,128 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 01:53:07,128 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 01:53:07,129 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 01:53:07,130 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 01:53:07,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 01:53:07,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 01:53:07,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 01:53:07,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 01:53:07,133 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 01:53:07,133 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 01:53:07,133 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 01:53:07,133 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 01:53:07,134 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 01:53:07,134 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 01:53:07,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 01:53:07,137 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 01:53:07,137 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 01:53:07,137 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 01:53:07,137 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 01:53:07,138 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 01:53:07,138 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 01:53:07,138 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 01:53:07,138 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 01:53:07,138 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 01:53:07,139 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 01:53:07,139 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 01:53:07,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 01:53:07,139 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 01:53:07,139 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 01:53:07,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 01:53:07,140 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 01:53:07,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 01:53:07,141 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 01:53:07,142 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 01:53:07,142 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 01:53:07,142 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 01:53:07,143 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c07a23e40b849b33d08a88f08826cd6b68b33a2f2aee4edabb68f594c2a0aef6 [2024-11-22 01:53:07,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 01:53:07,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 01:53:07,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 01:53:07,408 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 01:53:07,409 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 01:53:07,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product30.cil.c [2024-11-22 01:53:08,708 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 01:53:08,942 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 01:53:08,943 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product30.cil.c [2024-11-22 01:53:08,957 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58ecb3908/348d5db71af3424d999d0b9ce28b5464/FLAGd8085eccb [2024-11-22 01:53:08,970 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58ecb3908/348d5db71af3424d999d0b9ce28b5464 [2024-11-22 01:53:08,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 01:53:08,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 01:53:08,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 01:53:08,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 01:53:08,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 01:53:08,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:53:08" (1/1) ... [2024-11-22 01:53:08,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3673adcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:08, skipping insertion in model container [2024-11-22 01:53:08,983 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:53:08" (1/1) ... [2024-11-22 01:53:09,035 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 01:53:09,476 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_spec1_product30.cil.c[58327,58340] [2024-11-22 01:53:09,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 01:53:09,506 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 01:53:09,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [48] [2024-11-22 01:53:09,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"AddressBookEncrypt_spec.i","") [208] [2024-11-22 01:53:09,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [238] [2024-11-22 01:53:09,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [540] [2024-11-22 01:53:09,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [906] [2024-11-22 01:53:09,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [1978] [2024-11-22 01:53:09,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2337] [2024-11-22 01:53:09,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2734] [2024-11-22 01:53:09,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [2743] [2024-11-22 01:53:09,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2778] [2024-11-22 01:53:09,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [2994] [2024-11-22 01:53:09,598 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_spec1_product30.cil.c[58327,58340] [2024-11-22 01:53:09,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 01:53:09,635 INFO L204 MainTranslator]: Completed translation [2024-11-22 01:53:09,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:09 WrapperNode [2024-11-22 01:53:09,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 01:53:09,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 01:53:09,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 01:53:09,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 01:53:09,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:09" (1/1) ... [2024-11-22 01:53:09,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:09" (1/1) ... [2024-11-22 01:53:09,711 INFO L138 Inliner]: procedures = 131, calls = 204, calls flagged for inlining = 60, calls inlined = 50, statements flattened = 911 [2024-11-22 01:53:09,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 01:53:09,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 01:53:09,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 01:53:09,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 01:53:09,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:09" (1/1) ... [2024-11-22 01:53:09,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:09" (1/1) ... [2024-11-22 01:53:09,732 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:09" (1/1) ... [2024-11-22 01:53:09,757 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]. [2024-11-22 01:53:09,758 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:09" (1/1) ... [2024-11-22 01:53:09,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:09" (1/1) ... [2024-11-22 01:53:09,769 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:09" (1/1) ... [2024-11-22 01:53:09,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:09" (1/1) ... [2024-11-22 01:53:09,782 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:09" (1/1) ... [2024-11-22 01:53:09,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:09" (1/1) ... [2024-11-22 01:53:09,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 01:53:09,796 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 01:53:09,796 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 01:53:09,796 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 01:53:09,797 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:09" (1/1) ... [2024-11-22 01:53:09,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 01:53:09,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:53:09,833 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) [2024-11-22 01:53:09,836 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 [2024-11-22 01:53:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-22 01:53:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-22 01:53:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2024-11-22 01:53:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2024-11-22 01:53:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2024-11-22 01:53:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2024-11-22 01:53:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-22 01:53:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-22 01:53:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-22 01:53:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-22 01:53:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-22 01:53:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-22 01:53:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-22 01:53:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-22 01:53:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2024-11-22 01:53:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2024-11-22 01:53:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-22 01:53:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-22 01:53:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-22 01:53:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-22 01:53:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-22 01:53:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-22 01:53:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-22 01:53:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-22 01:53:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 01:53:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-22 01:53:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-22 01:53:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2024-11-22 01:53:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2024-11-22 01:53:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-22 01:53:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-22 01:53:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-22 01:53:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-22 01:53:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-22 01:53:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-22 01:53:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-22 01:53:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-22 01:53:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-22 01:53:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-22 01:53:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2024-11-22 01:53:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2024-11-22 01:53:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-22 01:53:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-22 01:53:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-22 01:53:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-22 01:53:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 01:53:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 01:53:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 01:53:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 01:53:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-22 01:53:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-22 01:53:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 01:53:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 01:53:10,063 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 01:53:10,066 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 01:53:10,792 INFO L? ?]: Removed 429 outVars from TransFormulas that were not future-live. [2024-11-22 01:53:10,792 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 01:53:10,846 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 01:53:10,846 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 01:53:10,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:53:10 BoogieIcfgContainer [2024-11-22 01:53:10,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 01:53:10,850 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 01:53:10,850 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 01:53:10,853 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 01:53:10,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:53:08" (1/3) ... [2024-11-22 01:53:10,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532e5a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:53:10, skipping insertion in model container [2024-11-22 01:53:10,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:09" (2/3) ... [2024-11-22 01:53:10,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532e5a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:53:10, skipping insertion in model container [2024-11-22 01:53:10,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:53:10" (3/3) ... [2024-11-22 01:53:10,856 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product30.cil.c [2024-11-22 01:53:10,870 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 01:53:10,870 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 01:53:10,935 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 01:53:10,940 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;@6a191382, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 01:53:10,940 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 01:53:10,947 INFO L276 IsEmpty]: Start isEmpty. Operand has 347 states, 269 states have (on average 1.516728624535316) internal successors, (408), 273 states have internal predecessors, (408), 53 states have call successors, (53), 23 states have call predecessors, (53), 23 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-22 01:53:10,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-22 01:53:10,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:53:10,960 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:53:10,961 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:53:10,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:53:10,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1478262703, now seen corresponding path program 1 times [2024-11-22 01:53:10,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:53:10,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249063806] [2024-11-22 01:53:10,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:10,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:53:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:11,500 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-22 01:53:11,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:53:11,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249063806] [2024-11-22 01:53:11,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249063806] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:53:11,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665903912] [2024-11-22 01:53:11,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:11,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:53:11,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:53:11,509 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) [2024-11-22 01:53:11,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 01:53:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:11,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 01:53:11,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:53:11,842 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 01:53:11,842 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:53:11,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665903912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:53:11,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:53:11,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-11-22 01:53:11,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895195613] [2024-11-22 01:53:11,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:53:11,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 01:53:11,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:53:11,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 01:53:11,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:53:11,870 INFO L87 Difference]: Start difference. First operand has 347 states, 269 states have (on average 1.516728624535316) internal successors, (408), 273 states have internal predecessors, (408), 53 states have call successors, (53), 23 states have call predecessors, (53), 23 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:11,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:53:11,916 INFO L93 Difference]: Finished difference Result 540 states and 782 transitions. [2024-11-22 01:53:11,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 01:53:11,919 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 101 [2024-11-22 01:53:11,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:53:11,929 INFO L225 Difference]: With dead ends: 540 [2024-11-22 01:53:11,930 INFO L226 Difference]: Without dead ends: 340 [2024-11-22 01:53:11,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:53:11,936 INFO L432 NwaCegarLoop]: 510 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, 510 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 [2024-11-22 01:53:11,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:53:11,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-22 01:53:11,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2024-11-22 01:53:11,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 263 states have (on average 1.5095057034220531) internal successors, (397), 266 states have internal predecessors, (397), 53 states have call successors, (53), 23 states have call predecessors, (53), 23 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-22 01:53:11,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 502 transitions. [2024-11-22 01:53:11,985 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 502 transitions. Word has length 101 [2024-11-22 01:53:11,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:53:11,987 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 502 transitions. [2024-11-22 01:53:11,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:11,987 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 502 transitions. [2024-11-22 01:53:11,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-22 01:53:11,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:53:11,992 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:53:12,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 01:53:12,196 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 [2024-11-22 01:53:12,196 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:53:12,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:53:12,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1284030147, now seen corresponding path program 1 times [2024-11-22 01:53:12,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:53:12,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934360313] [2024-11-22 01:53:12,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:12,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:53:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:12,415 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-22 01:53:12,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:53:12,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934360313] [2024-11-22 01:53:12,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934360313] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:53:12,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640652540] [2024-11-22 01:53:12,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:12,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:53:12,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:53:12,418 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) [2024-11-22 01:53:12,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 01:53:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:12,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 1017 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 01:53:12,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:53:12,720 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 01:53:12,720 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:53:12,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640652540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:53:12,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:53:12,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-22 01:53:12,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067400580] [2024-11-22 01:53:12,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:53:12,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:53:12,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:53:12,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:53:12,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:53:12,728 INFO L87 Difference]: Start difference. First operand 340 states and 502 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:12,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:53:12,772 INFO L93 Difference]: Finished difference Result 530 states and 763 transitions. [2024-11-22 01:53:12,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:53:12,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 102 [2024-11-22 01:53:12,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:53:12,780 INFO L225 Difference]: With dead ends: 530 [2024-11-22 01:53:12,780 INFO L226 Difference]: Without dead ends: 343 [2024-11-22 01:53:12,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:53:12,783 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 1 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 998 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 [2024-11-22 01:53:12,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 998 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:53:12,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-22 01:53:12,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 342. [2024-11-22 01:53:12,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 265 states have (on average 1.5056603773584907) internal successors, (399), 268 states have internal predecessors, (399), 53 states have call successors, (53), 23 states have call predecessors, (53), 23 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-22 01:53:12,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 504 transitions. [2024-11-22 01:53:12,817 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 504 transitions. Word has length 102 [2024-11-22 01:53:12,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:53:12,818 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 504 transitions. [2024-11-22 01:53:12,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:12,818 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 504 transitions. [2024-11-22 01:53:12,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-22 01:53:12,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:53:12,821 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:53:12,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 01:53:13,022 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 [2024-11-22 01:53:13,023 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:53:13,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:53:13,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1065468452, now seen corresponding path program 1 times [2024-11-22 01:53:13,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:53:13,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742297801] [2024-11-22 01:53:13,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:13,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:53:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:13,186 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 01:53:13,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:53:13,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742297801] [2024-11-22 01:53:13,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742297801] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:53:13,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706862547] [2024-11-22 01:53:13,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:13,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:53:13,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:53:13,191 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) [2024-11-22 01:53:13,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 01:53:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:13,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 01:53:13,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:53:13,477 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 01:53:13,483 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:53:13,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706862547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:53:13,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:53:13,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-22 01:53:13,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455982939] [2024-11-22 01:53:13,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:53:13,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:53:13,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:53:13,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:53:13,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:53:13,486 INFO L87 Difference]: Start difference. First operand 342 states and 504 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:13,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:53:13,519 INFO L93 Difference]: Finished difference Result 714 states and 1067 transitions. [2024-11-22 01:53:13,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:53:13,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 111 [2024-11-22 01:53:13,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:53:13,524 INFO L225 Difference]: With dead ends: 714 [2024-11-22 01:53:13,525 INFO L226 Difference]: Without dead ends: 399 [2024-11-22 01:53:13,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 01:53:13,527 INFO L432 NwaCegarLoop]: 519 mSDtfsCounter, 107 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 974 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 [2024-11-22 01:53:13,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 974 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:53:13,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-22 01:53:13,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 391. [2024-11-22 01:53:13,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 303 states have (on average 1.5214521452145215) internal successors, (461), 306 states have internal predecessors, (461), 64 states have call successors, (64), 23 states have call predecessors, (64), 23 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-22 01:53:13,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 588 transitions. [2024-11-22 01:53:13,553 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 588 transitions. Word has length 111 [2024-11-22 01:53:13,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:53:13,553 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 588 transitions. [2024-11-22 01:53:13,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:13,553 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 588 transitions. [2024-11-22 01:53:13,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-22 01:53:13,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:53:13,555 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:53:13,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 01:53:13,756 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 [2024-11-22 01:53:13,756 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:53:13,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:53:13,757 INFO L85 PathProgramCache]: Analyzing trace with hash -875235926, now seen corresponding path program 1 times [2024-11-22 01:53:13,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:53:13,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059503462] [2024-11-22 01:53:13,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:13,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:53:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:13,917 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 01:53:13,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:53:13,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059503462] [2024-11-22 01:53:13,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059503462] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:53:13,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996487661] [2024-11-22 01:53:13,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:13,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:53:13,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:53:13,923 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) [2024-11-22 01:53:13,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 01:53:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:14,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 01:53:14,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:53:14,210 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-22 01:53:14,210 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:53:14,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996487661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:53:14,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:53:14,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-22 01:53:14,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953095548] [2024-11-22 01:53:14,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:53:14,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:53:14,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:53:14,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:53:14,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:53:14,212 INFO L87 Difference]: Start difference. First operand 391 states and 588 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:53:14,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:53:14,286 INFO L93 Difference]: Finished difference Result 773 states and 1166 transitions. [2024-11-22 01:53:14,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:53:14,287 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 112 [2024-11-22 01:53:14,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:53:14,289 INFO L225 Difference]: With dead ends: 773 [2024-11-22 01:53:14,289 INFO L226 Difference]: Without dead ends: 393 [2024-11-22 01:53:14,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 01:53:14,294 INFO L432 NwaCegarLoop]: 494 mSDtfsCounter, 2 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1965 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 [2024-11-22 01:53:14,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1965 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:53:14,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-22 01:53:14,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2024-11-22 01:53:14,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 304 states have (on average 1.519736842105263) internal successors, (462), 308 states have internal predecessors, (462), 64 states have call successors, (64), 23 states have call predecessors, (64), 24 states have return successors, (65), 63 states have call predecessors, (65), 63 states have call successors, (65) [2024-11-22 01:53:14,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 591 transitions. [2024-11-22 01:53:14,315 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 591 transitions. Word has length 112 [2024-11-22 01:53:14,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:53:14,316 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 591 transitions. [2024-11-22 01:53:14,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:53:14,316 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 591 transitions. [2024-11-22 01:53:14,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-22 01:53:14,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:53:14,318 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:53:14,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 01:53:14,519 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 [2024-11-22 01:53:14,519 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:53:14,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:53:14,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1490413496, now seen corresponding path program 1 times [2024-11-22 01:53:14,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:53:14,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941046454] [2024-11-22 01:53:14,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:14,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:53:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:14,655 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 01:53:14,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:53:14,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941046454] [2024-11-22 01:53:14,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941046454] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:53:14,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135489744] [2024-11-22 01:53:14,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:14,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:53:14,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:53:14,658 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) [2024-11-22 01:53:14,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 01:53:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:14,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 01:53:14,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:53:14,930 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-22 01:53:14,931 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 01:53:14,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135489744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:53:14,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 01:53:14,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-22 01:53:14,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782171425] [2024-11-22 01:53:14,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:53:14,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:53:14,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:53:14,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:53:14,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-22 01:53:14,932 INFO L87 Difference]: Start difference. First operand 393 states and 591 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:53:14,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:53:14,984 INFO L93 Difference]: Finished difference Result 775 states and 1171 transitions. [2024-11-22 01:53:14,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:53:14,984 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 113 [2024-11-22 01:53:14,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:53:14,987 INFO L225 Difference]: With dead ends: 775 [2024-11-22 01:53:14,987 INFO L226 Difference]: Without dead ends: 395 [2024-11-22 01:53:14,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-22 01:53:14,989 INFO L432 NwaCegarLoop]: 492 mSDtfsCounter, 2 mSDsluCounter, 1459 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1951 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:53:14,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1951 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:53:14,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-11-22 01:53:15,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2024-11-22 01:53:15,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 305 states have (on average 1.518032786885246) internal successors, (463), 310 states have internal predecessors, (463), 64 states have call successors, (64), 23 states have call predecessors, (64), 25 states have return successors, (70), 63 states have call predecessors, (70), 63 states have call successors, (70) [2024-11-22 01:53:15,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 597 transitions. [2024-11-22 01:53:15,007 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 597 transitions. Word has length 113 [2024-11-22 01:53:15,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:53:15,007 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 597 transitions. [2024-11-22 01:53:15,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:53:15,008 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 597 transitions. [2024-11-22 01:53:15,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-22 01:53:15,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:53:15,009 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:53:15,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-22 01:53:15,213 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 [2024-11-22 01:53:15,215 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:53:15,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:53:15,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1538264855, now seen corresponding path program 1 times [2024-11-22 01:53:15,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:53:15,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052082930] [2024-11-22 01:53:15,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:15,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:53:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:15,349 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 01:53:15,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:53:15,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052082930] [2024-11-22 01:53:15,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052082930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:53:15,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:53:15,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 01:53:15,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923461315] [2024-11-22 01:53:15,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:53:15,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:53:15,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:53:15,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:53:15,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:53:15,351 INFO L87 Difference]: Start difference. First operand 395 states and 597 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:53:15,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:53:15,386 INFO L93 Difference]: Finished difference Result 767 states and 1162 transitions. [2024-11-22 01:53:15,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:53:15,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 114 [2024-11-22 01:53:15,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:53:15,389 INFO L225 Difference]: With dead ends: 767 [2024-11-22 01:53:15,389 INFO L226 Difference]: Without dead ends: 395 [2024-11-22 01:53:15,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:53:15,392 INFO L432 NwaCegarLoop]: 495 mSDtfsCounter, 2 mSDsluCounter, 1474 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1969 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:53:15,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1969 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:53:15,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-11-22 01:53:15,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2024-11-22 01:53:15,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 305 states have (on average 1.518032786885246) internal successors, (463), 310 states have internal predecessors, (463), 64 states have call successors, (64), 23 states have call predecessors, (64), 25 states have return successors, (69), 63 states have call predecessors, (69), 63 states have call successors, (69) [2024-11-22 01:53:15,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 596 transitions. [2024-11-22 01:53:15,404 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 596 transitions. Word has length 114 [2024-11-22 01:53:15,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:53:15,404 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 596 transitions. [2024-11-22 01:53:15,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:53:15,404 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 596 transitions. [2024-11-22 01:53:15,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-22 01:53:15,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:53:15,406 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:53:15,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 01:53:15,406 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:53:15,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:53:15,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1533725465, now seen corresponding path program 2 times [2024-11-22 01:53:15,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:53:15,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864204552] [2024-11-22 01:53:15,408 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 01:53:15,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:53:15,430 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 01:53:15,431 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 01:53:15,499 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 01:53:15,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:53:15,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864204552] [2024-11-22 01:53:15,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864204552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:53:15,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:53:15,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 01:53:15,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077651418] [2024-11-22 01:53:15,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:53:15,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:53:15,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:53:15,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:53:15,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:53:15,501 INFO L87 Difference]: Start difference. First operand 395 states and 596 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:53:15,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:53:15,537 INFO L93 Difference]: Finished difference Result 765 states and 1157 transitions. [2024-11-22 01:53:15,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:53:15,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 115 [2024-11-22 01:53:15,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:53:15,540 INFO L225 Difference]: With dead ends: 765 [2024-11-22 01:53:15,540 INFO L226 Difference]: Without dead ends: 395 [2024-11-22 01:53:15,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:53:15,542 INFO L432 NwaCegarLoop]: 493 mSDtfsCounter, 2 mSDsluCounter, 1462 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1955 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:53:15,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1955 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:53:15,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-11-22 01:53:15,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2024-11-22 01:53:15,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 305 states have (on average 1.518032786885246) internal successors, (463), 310 states have internal predecessors, (463), 64 states have call successors, (64), 23 states have call predecessors, (64), 25 states have return successors, (68), 63 states have call predecessors, (68), 63 states have call successors, (68) [2024-11-22 01:53:15,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 595 transitions. [2024-11-22 01:53:15,553 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 595 transitions. Word has length 115 [2024-11-22 01:53:15,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:53:15,553 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 595 transitions. [2024-11-22 01:53:15,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:53:15,554 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 595 transitions. [2024-11-22 01:53:15,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-22 01:53:15,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:53:15,555 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:53:15,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 01:53:15,555 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:53:15,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:53:15,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1960276140, now seen corresponding path program 3 times [2024-11-22 01:53:15,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:53:15,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411123752] [2024-11-22 01:53:15,556 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 01:53:15,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:53:15,576 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-22 01:53:15,576 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 01:53:15,658 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 01:53:15,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:53:15,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411123752] [2024-11-22 01:53:15,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411123752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:53:15,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:53:15,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 01:53:15,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957505645] [2024-11-22 01:53:15,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:53:15,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:53:15,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:53:15,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:53:15,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:53:15,660 INFO L87 Difference]: Start difference. First operand 395 states and 595 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:53:15,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:53:15,701 INFO L93 Difference]: Finished difference Result 767 states and 1163 transitions. [2024-11-22 01:53:15,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:53:15,701 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 116 [2024-11-22 01:53:15,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:53:15,703 INFO L225 Difference]: With dead ends: 767 [2024-11-22 01:53:15,703 INFO L226 Difference]: Without dead ends: 397 [2024-11-22 01:53:15,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:53:15,705 INFO L432 NwaCegarLoop]: 496 mSDtfsCounter, 1 mSDsluCounter, 1470 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1966 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:53:15,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1966 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:53:15,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-11-22 01:53:15,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2024-11-22 01:53:15,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 306 states have (on average 1.5163398692810457) internal successors, (464), 312 states have internal predecessors, (464), 64 states have call successors, (64), 23 states have call predecessors, (64), 26 states have return successors, (73), 63 states have call predecessors, (73), 63 states have call successors, (73) [2024-11-22 01:53:15,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 601 transitions. [2024-11-22 01:53:15,715 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 601 transitions. Word has length 116 [2024-11-22 01:53:15,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:53:15,715 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 601 transitions. [2024-11-22 01:53:15,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:53:15,716 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 601 transitions. [2024-11-22 01:53:15,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-22 01:53:15,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:53:15,717 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:53:15,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 01:53:15,718 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:53:15,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:53:15,718 INFO L85 PathProgramCache]: Analyzing trace with hash 221534996, now seen corresponding path program 1 times [2024-11-22 01:53:15,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:53:15,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642336564] [2024-11-22 01:53:15,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:15,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:53:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:15,812 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 01:53:15,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:53:15,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642336564] [2024-11-22 01:53:15,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642336564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:53:15,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:53:15,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 01:53:15,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299883738] [2024-11-22 01:53:15,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:53:15,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 01:53:15,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:53:15,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 01:53:15,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:53:15,814 INFO L87 Difference]: Start difference. First operand 397 states and 601 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:53:15,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:53:15,846 INFO L93 Difference]: Finished difference Result 773 states and 1173 transitions. [2024-11-22 01:53:15,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 01:53:15,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 117 [2024-11-22 01:53:15,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:53:15,849 INFO L225 Difference]: With dead ends: 773 [2024-11-22 01:53:15,849 INFO L226 Difference]: Without dead ends: 399 [2024-11-22 01:53:15,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 01:53:15,850 INFO L432 NwaCegarLoop]: 496 mSDtfsCounter, 1 mSDsluCounter, 1476 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1972 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 [2024-11-22 01:53:15,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1972 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:53:15,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-22 01:53:15,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2024-11-22 01:53:15,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 307 states have (on average 1.514657980456026) internal successors, (465), 314 states have internal predecessors, (465), 64 states have call successors, (64), 23 states have call predecessors, (64), 27 states have return successors, (75), 63 states have call predecessors, (75), 63 states have call successors, (75) [2024-11-22 01:53:15,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 604 transitions. [2024-11-22 01:53:15,862 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 604 transitions. Word has length 117 [2024-11-22 01:53:15,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:53:15,862 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 604 transitions. [2024-11-22 01:53:15,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-22 01:53:15,862 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 604 transitions. [2024-11-22 01:53:15,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-22 01:53:15,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:53:15,864 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:53:15,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 01:53:15,865 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:53:15,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:53:15,865 INFO L85 PathProgramCache]: Analyzing trace with hash 343942527, now seen corresponding path program 1 times [2024-11-22 01:53:15,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:53:15,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903446831] [2024-11-22 01:53:15,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:15,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:53:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:16,021 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-22 01:53:16,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:53:16,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903446831] [2024-11-22 01:53:16,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903446831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 01:53:16,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633709761] [2024-11-22 01:53:16,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:16,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 01:53:16,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 01:53:16,023 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) [2024-11-22 01:53:16,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 01:53:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:16,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 1053 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 01:53:16,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 01:53:16,358 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:53:16,359 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 01:53:16,451 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:53:16,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633709761] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 01:53:16,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 01:53:16,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 11 [2024-11-22 01:53:16,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643637214] [2024-11-22 01:53:16,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 01:53:16,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 01:53:16,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:53:16,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 01:53:16,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-22 01:53:16,454 INFO L87 Difference]: Start difference. First operand 399 states and 604 transitions. Second operand has 11 states, 10 states have (on average 13.1) internal successors, (131), 11 states have internal predecessors, (131), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-22 01:53:16,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:53:16,933 INFO L93 Difference]: Finished difference Result 1123 states and 1778 transitions. [2024-11-22 01:53:16,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 01:53:16,933 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.1) internal successors, (131), 11 states have internal predecessors, (131), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 118 [2024-11-22 01:53:16,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:53:16,937 INFO L225 Difference]: With dead ends: 1123 [2024-11-22 01:53:16,937 INFO L226 Difference]: Without dead ends: 753 [2024-11-22 01:53:16,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2024-11-22 01:53:16,940 INFO L432 NwaCegarLoop]: 498 mSDtfsCounter, 1297 mSDsluCounter, 2652 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1297 SdHoareTripleChecker+Valid, 3150 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 01:53:16,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1297 Valid, 3150 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 01:53:16,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2024-11-22 01:53:16,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 729. [2024-11-22 01:53:16,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 729 states, 573 states have (on average 1.5671902268760907) internal successors, (898), 579 states have internal predecessors, (898), 128 states have call successors, (128), 24 states have call predecessors, (128), 27 states have return successors, (149), 127 states have call predecessors, (149), 127 states have call successors, (149) [2024-11-22 01:53:16,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1175 transitions. [2024-11-22 01:53:16,966 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1175 transitions. Word has length 118 [2024-11-22 01:53:16,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:53:16,966 INFO L471 AbstractCegarLoop]: Abstraction has 729 states and 1175 transitions. [2024-11-22 01:53:16,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.1) internal successors, (131), 11 states have internal predecessors, (131), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-22 01:53:16,966 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1175 transitions. [2024-11-22 01:53:16,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-22 01:53:16,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:53:16,970 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:53:16,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-22 01:53:17,171 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 [2024-11-22 01:53:17,171 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:53:17,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:53:17,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1237049440, now seen corresponding path program 1 times [2024-11-22 01:53:17,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:53:17,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868026892] [2024-11-22 01:53:17,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:17,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:53:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:17,218 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:53:17,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:53:17,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868026892] [2024-11-22 01:53:17,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868026892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:53:17,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:53:17,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:53:17,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183306070] [2024-11-22 01:53:17,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:53:17,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:53:17,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:53:17,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:53:17,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:53:17,220 INFO L87 Difference]: Start difference. First operand 729 states and 1175 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:17,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:53:17,253 INFO L93 Difference]: Finished difference Result 1686 states and 2766 transitions. [2024-11-22 01:53:17,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:53:17,254 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 121 [2024-11-22 01:53:17,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:53:17,261 INFO L225 Difference]: With dead ends: 1686 [2024-11-22 01:53:17,261 INFO L226 Difference]: Without dead ends: 1037 [2024-11-22 01:53:17,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:53:17,265 INFO L432 NwaCegarLoop]: 521 mSDtfsCounter, 104 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 1013 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 [2024-11-22 01:53:17,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 1013 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:53:17,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2024-11-22 01:53:17,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 1029. [2024-11-22 01:53:17,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 809 states have (on average 1.5859085290482076) internal successors, (1283), 815 states have internal predecessors, (1283), 192 states have call successors, (192), 24 states have call predecessors, (192), 27 states have return successors, (223), 191 states have call predecessors, (223), 191 states have call successors, (223) [2024-11-22 01:53:17,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1698 transitions. [2024-11-22 01:53:17,330 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1698 transitions. Word has length 121 [2024-11-22 01:53:17,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:53:17,330 INFO L471 AbstractCegarLoop]: Abstraction has 1029 states and 1698 transitions. [2024-11-22 01:53:17,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:17,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1698 transitions. [2024-11-22 01:53:17,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-22 01:53:17,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:53:17,334 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:53:17,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 01:53:17,335 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:53:17,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:53:17,335 INFO L85 PathProgramCache]: Analyzing trace with hash -868759813, now seen corresponding path program 1 times [2024-11-22 01:53:17,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:53:17,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585015318] [2024-11-22 01:53:17,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:17,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:53:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:17,381 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:53:17,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:53:17,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585015318] [2024-11-22 01:53:17,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585015318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:53:17,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:53:17,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:53:17,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305810009] [2024-11-22 01:53:17,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:53:17,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:53:17,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:53:17,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:53:17,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:53:17,383 INFO L87 Difference]: Start difference. First operand 1029 states and 1698 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:17,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:53:17,431 INFO L93 Difference]: Finished difference Result 2426 states and 4030 transitions. [2024-11-22 01:53:17,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:53:17,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 122 [2024-11-22 01:53:17,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:53:17,438 INFO L225 Difference]: With dead ends: 2426 [2024-11-22 01:53:17,439 INFO L226 Difference]: Without dead ends: 1530 [2024-11-22 01:53:17,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:53:17,442 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 102 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 1004 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 [2024-11-22 01:53:17,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 1004 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:53:17,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2024-11-22 01:53:17,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 1522. [2024-11-22 01:53:17,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1522 states, 1207 states have (on average 1.5948632974316488) internal successors, (1925), 1213 states have internal predecessors, (1925), 287 states have call successors, (287), 24 states have call predecessors, (287), 27 states have return successors, (318), 286 states have call predecessors, (318), 286 states have call successors, (318) [2024-11-22 01:53:17,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1522 states and 2530 transitions. [2024-11-22 01:53:17,492 INFO L78 Accepts]: Start accepts. Automaton has 1522 states and 2530 transitions. Word has length 122 [2024-11-22 01:53:17,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:53:17,493 INFO L471 AbstractCegarLoop]: Abstraction has 1522 states and 2530 transitions. [2024-11-22 01:53:17,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:17,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1522 states and 2530 transitions. [2024-11-22 01:53:17,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-22 01:53:17,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:53:17,498 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:53:17,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 01:53:17,499 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:53:17,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:53:17,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1417441102, now seen corresponding path program 1 times [2024-11-22 01:53:17,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:53:17,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648941855] [2024-11-22 01:53:17,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:17,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:53:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:17,550 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:53:17,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:53:17,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648941855] [2024-11-22 01:53:17,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648941855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:53:17,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:53:17,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:53:17,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870181474] [2024-11-22 01:53:17,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:53:17,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:53:17,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:53:17,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:53:17,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:53:17,553 INFO L87 Difference]: Start difference. First operand 1522 states and 2530 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:17,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:53:17,608 INFO L93 Difference]: Finished difference Result 3528 states and 5914 transitions. [2024-11-22 01:53:17,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:53:17,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 123 [2024-11-22 01:53:17,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:53:17,620 INFO L225 Difference]: With dead ends: 3528 [2024-11-22 01:53:17,620 INFO L226 Difference]: Without dead ends: 2274 [2024-11-22 01:53:17,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:53:17,625 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 100 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 991 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 [2024-11-22 01:53:17,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 991 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:53:17,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2274 states. [2024-11-22 01:53:17,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2274 to 2266. [2024-11-22 01:53:17,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2266 states, 1828 states have (on average 1.6017505470459519) internal successors, (2928), 1834 states have internal predecessors, (2928), 410 states have call successors, (410), 24 states have call predecessors, (410), 27 states have return successors, (457), 409 states have call predecessors, (457), 409 states have call successors, (457) [2024-11-22 01:53:17,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2266 states to 2266 states and 3795 transitions. [2024-11-22 01:53:17,730 INFO L78 Accepts]: Start accepts. Automaton has 2266 states and 3795 transitions. Word has length 123 [2024-11-22 01:53:17,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:53:17,730 INFO L471 AbstractCegarLoop]: Abstraction has 2266 states and 3795 transitions. [2024-11-22 01:53:17,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:17,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 3795 transitions. [2024-11-22 01:53:17,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-22 01:53:17,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:53:17,738 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:53:17,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 01:53:17,738 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:53:17,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:53:17,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1143698300, now seen corresponding path program 1 times [2024-11-22 01:53:17,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:53:17,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299768613] [2024-11-22 01:53:17,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:17,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:53:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:17,781 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:53:17,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:53:17,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299768613] [2024-11-22 01:53:17,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299768613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:53:17,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:53:17,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:53:17,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356131510] [2024-11-22 01:53:17,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:53:17,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:53:17,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:53:17,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:53:17,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:53:17,783 INFO L87 Difference]: Start difference. First operand 2266 states and 3795 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:17,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:53:17,862 INFO L93 Difference]: Finished difference Result 5237 states and 8837 transitions. [2024-11-22 01:53:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:53:17,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 124 [2024-11-22 01:53:17,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:53:17,878 INFO L225 Difference]: With dead ends: 5237 [2024-11-22 01:53:17,878 INFO L226 Difference]: Without dead ends: 3458 [2024-11-22 01:53:17,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:53:17,886 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 98 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 991 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 [2024-11-22 01:53:17,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 991 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:53:17,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3458 states. [2024-11-22 01:53:18,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3458 to 3450. [2024-11-22 01:53:18,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3450 states, 2833 states have (on average 1.6060713025061772) internal successors, (4550), 2839 states have internal predecessors, (4550), 589 states have call successors, (589), 24 states have call predecessors, (589), 27 states have return successors, (662), 588 states have call predecessors, (662), 588 states have call successors, (662) [2024-11-22 01:53:18,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3450 states to 3450 states and 5801 transitions. [2024-11-22 01:53:18,029 INFO L78 Accepts]: Start accepts. Automaton has 3450 states and 5801 transitions. Word has length 124 [2024-11-22 01:53:18,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:53:18,029 INFO L471 AbstractCegarLoop]: Abstraction has 3450 states and 5801 transitions. [2024-11-22 01:53:18,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:18,029 INFO L276 IsEmpty]: Start isEmpty. Operand 3450 states and 5801 transitions. [2024-11-22 01:53:18,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-22 01:53:18,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:53:18,038 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:53:18,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 01:53:18,038 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:53:18,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:53:18,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1106271446, now seen corresponding path program 1 times [2024-11-22 01:53:18,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:53:18,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436922061] [2024-11-22 01:53:18,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:18,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:53:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:18,089 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:53:18,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:53:18,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436922061] [2024-11-22 01:53:18,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436922061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:53:18,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:53:18,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:53:18,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37019377] [2024-11-22 01:53:18,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:53:18,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:53:18,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:53:18,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:53:18,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:53:18,090 INFO L87 Difference]: Start difference. First operand 3450 states and 5801 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:18,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:53:18,195 INFO L93 Difference]: Finished difference Result 8310 states and 14053 transitions. [2024-11-22 01:53:18,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:53:18,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 125 [2024-11-22 01:53:18,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:53:18,220 INFO L225 Difference]: With dead ends: 8310 [2024-11-22 01:53:18,220 INFO L226 Difference]: Without dead ends: 5599 [2024-11-22 01:53:18,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:53:18,268 INFO L432 NwaCegarLoop]: 522 mSDtfsCounter, 96 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 1021 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 [2024-11-22 01:53:18,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 1021 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:53:18,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5599 states. [2024-11-22 01:53:18,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5599 to 5591. [2024-11-22 01:53:18,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5591 states, 4598 states have (on average 1.5998260113092648) internal successors, (7356), 4604 states have internal predecessors, (7356), 965 states have call successors, (965), 24 states have call predecessors, (965), 27 states have return successors, (1082), 964 states have call predecessors, (1082), 964 states have call successors, (1082) [2024-11-22 01:53:18,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5591 states to 5591 states and 9403 transitions. [2024-11-22 01:53:18,549 INFO L78 Accepts]: Start accepts. Automaton has 5591 states and 9403 transitions. Word has length 125 [2024-11-22 01:53:18,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:53:18,550 INFO L471 AbstractCegarLoop]: Abstraction has 5591 states and 9403 transitions. [2024-11-22 01:53:18,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:18,550 INFO L276 IsEmpty]: Start isEmpty. Operand 5591 states and 9403 transitions. [2024-11-22 01:53:18,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-22 01:53:18,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:53:18,564 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:53:18,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 01:53:18,564 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:53:18,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:53:18,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1528989600, now seen corresponding path program 1 times [2024-11-22 01:53:18,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:53:18,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42222218] [2024-11-22 01:53:18,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:18,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:53:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:18,608 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:53:18,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:53:18,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42222218] [2024-11-22 01:53:18,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42222218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:53:18,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:53:18,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:53:18,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671243120] [2024-11-22 01:53:18,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:53:18,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:53:18,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:53:18,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:53:18,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:53:18,611 INFO L87 Difference]: Start difference. First operand 5591 states and 9403 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:18,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:53:18,812 INFO L93 Difference]: Finished difference Result 13732 states and 23243 transitions. [2024-11-22 01:53:18,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:53:18,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 126 [2024-11-22 01:53:18,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:53:18,862 INFO L225 Difference]: With dead ends: 13732 [2024-11-22 01:53:18,862 INFO L226 Difference]: Without dead ends: 9282 [2024-11-22 01:53:18,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:53:18,881 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 94 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 996 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 [2024-11-22 01:53:18,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 996 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:53:18,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9282 states. [2024-11-22 01:53:19,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9282 to 9274. [2024-11-22 01:53:19,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9274 states, 7675 states have (on average 1.597785016286645) internal successors, (12263), 7681 states have internal predecessors, (12263), 1571 states have call successors, (1571), 24 states have call predecessors, (1571), 27 states have return successors, (1766), 1570 states have call predecessors, (1766), 1570 states have call successors, (1766) [2024-11-22 01:53:19,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9274 states to 9274 states and 15600 transitions. [2024-11-22 01:53:19,291 INFO L78 Accepts]: Start accepts. Automaton has 9274 states and 15600 transitions. Word has length 126 [2024-11-22 01:53:19,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:53:19,291 INFO L471 AbstractCegarLoop]: Abstraction has 9274 states and 15600 transitions. [2024-11-22 01:53:19,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:19,292 INFO L276 IsEmpty]: Start isEmpty. Operand 9274 states and 15600 transitions. [2024-11-22 01:53:19,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-22 01:53:19,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:53:19,311 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:53:19,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 01:53:19,311 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:53:19,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:53:19,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1067818956, now seen corresponding path program 1 times [2024-11-22 01:53:19,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:53:19,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798751558] [2024-11-22 01:53:19,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:19,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:53:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:19,353 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:53:19,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:53:19,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798751558] [2024-11-22 01:53:19,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798751558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:53:19,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:53:19,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:53:19,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639842403] [2024-11-22 01:53:19,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:53:19,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:53:19,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:53:19,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:53:19,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:53:19,355 INFO L87 Difference]: Start difference. First operand 9274 states and 15600 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:19,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:53:19,823 INFO L93 Difference]: Finished difference Result 23916 states and 40403 transitions. [2024-11-22 01:53:19,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:53:19,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 127 [2024-11-22 01:53:19,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:53:19,899 INFO L225 Difference]: With dead ends: 23916 [2024-11-22 01:53:19,899 INFO L226 Difference]: Without dead ends: 16235 [2024-11-22 01:53:19,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:53:19,932 INFO L432 NwaCegarLoop]: 517 mSDtfsCounter, 92 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 1015 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 [2024-11-22 01:53:19,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 1015 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:53:19,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16235 states. [2024-11-22 01:53:20,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16235 to 16227. [2024-11-22 01:53:20,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16227 states, 13425 states have (on average 1.5890502793296089) internal successors, (21333), 13431 states have internal predecessors, (21333), 2774 states have call successors, (2774), 24 states have call predecessors, (2774), 27 states have return successors, (3113), 2773 states have call predecessors, (3113), 2773 states have call successors, (3113) [2024-11-22 01:53:20,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16227 states to 16227 states and 27220 transitions. [2024-11-22 01:53:20,658 INFO L78 Accepts]: Start accepts. Automaton has 16227 states and 27220 transitions. Word has length 127 [2024-11-22 01:53:20,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:53:20,659 INFO L471 AbstractCegarLoop]: Abstraction has 16227 states and 27220 transitions. [2024-11-22 01:53:20,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:20,659 INFO L276 IsEmpty]: Start isEmpty. Operand 16227 states and 27220 transitions. [2024-11-22 01:53:20,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-22 01:53:20,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:53:20,687 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:53:20,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 01:53:20,687 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:53:20,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:53:20,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1090807745, now seen corresponding path program 1 times [2024-11-22 01:53:20,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:53:20,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468400438] [2024-11-22 01:53:20,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:20,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:53:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:20,744 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:53:20,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:53:20,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468400438] [2024-11-22 01:53:20,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468400438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:53:20,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:53:20,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:53:20,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516462233] [2024-11-22 01:53:20,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:53:20,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:53:20,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:53:20,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:53:20,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:53:20,745 INFO L87 Difference]: Start difference. First operand 16227 states and 27220 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:21,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:53:21,443 INFO L93 Difference]: Finished difference Result 42882 states and 72260 transitions. [2024-11-22 01:53:21,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:53:21,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 128 [2024-11-22 01:53:21,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:53:21,554 INFO L225 Difference]: With dead ends: 42882 [2024-11-22 01:53:21,554 INFO L226 Difference]: Without dead ends: 28890 [2024-11-22 01:53:21,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:53:21,606 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 90 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 994 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 [2024-11-22 01:53:21,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 994 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:53:21,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28890 states. [2024-11-22 01:53:22,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28890 to 28882. [2024-11-22 01:53:22,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28882 states, 24041 states have (on average 1.5847926458965933) internal successors, (38100), 24047 states have internal predecessors, (38100), 4813 states have call successors, (4813), 24 states have call predecessors, (4813), 27 states have return successors, (5426), 4812 states have call predecessors, (5426), 4812 states have call successors, (5426) [2024-11-22 01:53:22,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28882 states to 28882 states and 48339 transitions. [2024-11-22 01:53:22,946 INFO L78 Accepts]: Start accepts. Automaton has 28882 states and 48339 transitions. Word has length 128 [2024-11-22 01:53:22,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:53:22,948 INFO L471 AbstractCegarLoop]: Abstraction has 28882 states and 48339 transitions. [2024-11-22 01:53:22,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:22,948 INFO L276 IsEmpty]: Start isEmpty. Operand 28882 states and 48339 transitions. [2024-11-22 01:53:22,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-22 01:53:22,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:53:22,979 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:53:22,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 01:53:22,979 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:53:22,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:53:22,980 INFO L85 PathProgramCache]: Analyzing trace with hash 345906382, now seen corresponding path program 1 times [2024-11-22 01:53:22,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:53:22,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590113976] [2024-11-22 01:53:22,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:22,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:53:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:23,029 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:53:23,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:53:23,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590113976] [2024-11-22 01:53:23,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590113976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:53:23,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:53:23,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:53:23,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885333906] [2024-11-22 01:53:23,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:53:23,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:53:23,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:53:23,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:53:23,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:53:23,032 INFO L87 Difference]: Start difference. First operand 28882 states and 48339 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:24,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:53:24,205 INFO L93 Difference]: Finished difference Result 78644 states and 132092 transitions. [2024-11-22 01:53:24,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:53:24,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 129 [2024-11-22 01:53:24,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:53:24,438 INFO L225 Difference]: With dead ends: 78644 [2024-11-22 01:53:24,438 INFO L226 Difference]: Without dead ends: 52769 [2024-11-22 01:53:24,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:53:24,528 INFO L432 NwaCegarLoop]: 510 mSDtfsCounter, 88 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 1005 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 [2024-11-22 01:53:24,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 1005 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:53:24,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52769 states. [2024-11-22 01:53:26,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52769 to 52761. [2024-11-22 01:53:26,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52761 states, 44205 states have (on average 1.5790747652980432) internal successors, (69803), 44211 states have internal predecessors, (69803), 8528 states have call successors, (8528), 24 states have call predecessors, (8528), 27 states have return successors, (9673), 8527 states have call predecessors, (9673), 8527 states have call successors, (9673) [2024-11-22 01:53:26,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52761 states to 52761 states and 88004 transitions. [2024-11-22 01:53:26,906 INFO L78 Accepts]: Start accepts. Automaton has 52761 states and 88004 transitions. Word has length 129 [2024-11-22 01:53:26,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:53:26,907 INFO L471 AbstractCegarLoop]: Abstraction has 52761 states and 88004 transitions. [2024-11-22 01:53:26,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:26,907 INFO L276 IsEmpty]: Start isEmpty. Operand 52761 states and 88004 transitions. [2024-11-22 01:53:26,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-22 01:53:26,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:53:26,938 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:53:26,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 01:53:26,939 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:53:26,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:53:26,939 INFO L85 PathProgramCache]: Analyzing trace with hash -187926591, now seen corresponding path program 1 times [2024-11-22 01:53:26,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:53:26,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853658004] [2024-11-22 01:53:26,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:26,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:53:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:26,999 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:53:26,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:53:26,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853658004] [2024-11-22 01:53:26,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853658004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:53:27,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:53:27,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 01:53:27,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327905753] [2024-11-22 01:53:27,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:53:27,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 01:53:27,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:53:27,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 01:53:27,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:53:27,001 INFO L87 Difference]: Start difference. First operand 52761 states and 88004 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:29,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:53:29,369 INFO L93 Difference]: Finished difference Result 98415 states and 164453 transitions. [2024-11-22 01:53:29,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 01:53:29,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 130 [2024-11-22 01:53:29,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:53:29,782 INFO L225 Difference]: With dead ends: 98415 [2024-11-22 01:53:29,782 INFO L226 Difference]: Without dead ends: 98228 [2024-11-22 01:53:29,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 01:53:29,831 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 83 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 01:53:29,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 1008 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 01:53:29,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98228 states. [2024-11-22 01:53:32,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98228 to 98220. [2024-11-22 01:53:32,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98220 states, 82865 states have (on average 1.5718337054244855) internal successors, (130250), 82871 states have internal predecessors, (130250), 15327 states have call successors, (15327), 24 states have call predecessors, (15327), 27 states have return successors, (17518), 15326 states have call predecessors, (17518), 15326 states have call successors, (17518) [2024-11-22 01:53:33,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98220 states to 98220 states and 163095 transitions. [2024-11-22 01:53:33,748 INFO L78 Accepts]: Start accepts. Automaton has 98220 states and 163095 transitions. Word has length 130 [2024-11-22 01:53:33,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:53:33,749 INFO L471 AbstractCegarLoop]: Abstraction has 98220 states and 163095 transitions. [2024-11-22 01:53:33,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-22 01:53:33,749 INFO L276 IsEmpty]: Start isEmpty. Operand 98220 states and 163095 transitions. [2024-11-22 01:53:33,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-22 01:53:33,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:53:33,786 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:53:33,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-22 01:53:33,787 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:53:33,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:53:33,787 INFO L85 PathProgramCache]: Analyzing trace with hash 717524013, now seen corresponding path program 1 times [2024-11-22 01:53:33,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:53:33,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471056579] [2024-11-22 01:53:33,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:33,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:53:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:34,104 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:53:34,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:53:34,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471056579] [2024-11-22 01:53:34,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471056579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:53:34,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:53:34,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-22 01:53:34,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268789871] [2024-11-22 01:53:34,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:53:34,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 01:53:34,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:53:34,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 01:53:34,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2024-11-22 01:53:34,107 INFO L87 Difference]: Start difference. First operand 98220 states and 163095 transitions. Second operand has 14 states, 12 states have (on average 7.5) internal successors, (90), 12 states have internal predecessors, (90), 6 states have call successors, (15), 3 states have call predecessors, (15), 4 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-22 01:53:39,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:53:39,694 INFO L93 Difference]: Finished difference Result 195932 states and 330798 transitions. [2024-11-22 01:53:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-22 01:53:39,695 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 7.5) internal successors, (90), 12 states have internal predecessors, (90), 6 states have call successors, (15), 3 states have call predecessors, (15), 4 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) Word has length 131 [2024-11-22 01:53:39,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:53:40,980 INFO L225 Difference]: With dead ends: 195932 [2024-11-22 01:53:40,981 INFO L226 Difference]: Without dead ends: 195751 [2024-11-22 01:53:41,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=833, Unknown=0, NotChecked=0, Total=992 [2024-11-22 01:53:41,064 INFO L432 NwaCegarLoop]: 571 mSDtfsCounter, 1542 mSDsluCounter, 6096 mSDsCounter, 0 mSdLazyCounter, 1271 mSolverCounterSat, 470 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1542 SdHoareTripleChecker+Valid, 6667 SdHoareTripleChecker+Invalid, 1741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 470 IncrementalHoareTripleChecker+Valid, 1271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-22 01:53:41,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1542 Valid, 6667 Invalid, 1741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [470 Valid, 1271 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-22 01:53:41,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195751 states. [2024-11-22 01:53:48,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195751 to 195627. [2024-11-22 01:53:48,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195627 states, 165106 states have (on average 1.5727048078204304) internal successors, (259663), 165010 states have internal predecessors, (259663), 30451 states have call successors, (30451), 62 states have call predecessors, (30451), 69 states have return successors, (38106), 30560 states have call predecessors, (38106), 30448 states have call successors, (38106) [2024-11-22 01:53:49,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195627 states to 195627 states and 328220 transitions. [2024-11-22 01:53:49,086 INFO L78 Accepts]: Start accepts. Automaton has 195627 states and 328220 transitions. Word has length 131 [2024-11-22 01:53:49,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 01:53:49,086 INFO L471 AbstractCegarLoop]: Abstraction has 195627 states and 328220 transitions. [2024-11-22 01:53:49,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 7.5) internal successors, (90), 12 states have internal predecessors, (90), 6 states have call successors, (15), 3 states have call predecessors, (15), 4 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-22 01:53:49,087 INFO L276 IsEmpty]: Start isEmpty. Operand 195627 states and 328220 transitions. [2024-11-22 01:53:49,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-22 01:53:49,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 01:53:49,147 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 01:53:49,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-22 01:53:49,147 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 01:53:49,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 01:53:49,148 INFO L85 PathProgramCache]: Analyzing trace with hash 112951381, now seen corresponding path program 1 times [2024-11-22 01:53:49,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 01:53:49,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891932908] [2024-11-22 01:53:49,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 01:53:49,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 01:53:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 01:53:49,307 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-22 01:53:49,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 01:53:49,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891932908] [2024-11-22 01:53:49,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891932908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 01:53:49,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 01:53:49,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-22 01:53:49,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100208140] [2024-11-22 01:53:49,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 01:53:49,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 01:53:49,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 01:53:49,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 01:53:49,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-22 01:53:49,310 INFO L87 Difference]: Start difference. First operand 195627 states and 328220 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 8 states have internal predecessors, (91), 5 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-22 01:53:54,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 01:53:54,306 INFO L93 Difference]: Finished difference Result 196445 states and 329404 transitions. [2024-11-22 01:53:54,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 01:53:54,308 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 8 states have internal predecessors, (91), 5 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 132 [2024-11-22 01:53:54,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 01:53:55,256 INFO L225 Difference]: With dead ends: 196445 [2024-11-22 01:53:55,256 INFO L226 Difference]: Without dead ends: 195724 [2024-11-22 01:53:55,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2024-11-22 01:53:55,327 INFO L432 NwaCegarLoop]: 459 mSDtfsCounter, 685 mSDsluCounter, 3186 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 3645 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 01:53:55,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [687 Valid, 3645 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 01:53:55,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195724 states.