./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 03:21:01,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:21:01,396 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:21:01,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:21:01,403 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:21:01,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:21:01,452 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:21:01,452 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:21:01,453 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:21:01,453 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:21:01,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:21:01,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:21:01,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:21:01,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:21:01,455 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:21:01,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:21:01,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:21:01,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:21:01,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:21:01,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:21:01,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:21:01,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:21:01,461 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:21:01,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:21:01,461 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:21:01,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:21:01,462 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:21:01,462 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:21:01,462 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:21:01,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:21:01,467 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:21:01,467 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:21:01,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:21:01,467 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:21:01,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:21:01,468 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:21:01,468 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:21:01,468 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:21:01,469 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:21:01,469 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 [2024-11-19 03:21:01,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:21:01,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:21:01,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:21:01,732 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:21:01,732 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:21:01,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2024-11-19 03:21:03,168 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:21:03,634 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:21:03,635 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2024-11-19 03:21:03,679 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ba028ac8/001b34e7354240299fd0e86072b848c2/FLAG2453910e6 [2024-11-19 03:21:03,740 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ba028ac8/001b34e7354240299fd0e86072b848c2 [2024-11-19 03:21:03,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:21:03,744 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:21:03,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:21:03,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:21:03,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:21:03,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:03" (1/1) ... [2024-11-19 03:21:03,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e7bd3c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:03, skipping insertion in model container [2024-11-19 03:21:03,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:03" (1/1) ... [2024-11-19 03:21:03,861 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:21:04,635 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/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2024-11-19 03:21:05,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:21:05,110 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:21:05,270 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/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2024-11-19 03:21:05,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:21:05,454 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:21:05,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05 WrapperNode [2024-11-19 03:21:05,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:21:05,456 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:21:05,456 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:21:05,456 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:21:05,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05" (1/1) ... [2024-11-19 03:21:05,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05" (1/1) ... [2024-11-19 03:21:05,688 INFO L138 Inliner]: procedures = 175, calls = 763, calls flagged for inlining = 71, calls inlined = 62, statements flattened = 2029 [2024-11-19 03:21:05,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:21:05,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:21:05,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:21:05,690 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:21:05,700 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05" (1/1) ... [2024-11-19 03:21:05,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05" (1/1) ... [2024-11-19 03:21:05,717 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05" (1/1) ... [2024-11-19 03:21:06,018 INFO L175 MemorySlicer]: Split 365 memory accesses to 15 slices as follows [2, 2, 20, 3, 3, 3, 3, 3, 3, 2, 4, 2, 44, 261, 10]. 72 percent of accesses are in the largest equivalence class. The 61 initializations are split as follows [2, 0, 15, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 26, 0]. The 159 writes are split as follows [0, 1, 2, 0, 0, 0, 0, 0, 0, 1, 1, 1, 44, 100, 9]. [2024-11-19 03:21:06,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05" (1/1) ... [2024-11-19 03:21:06,021 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05" (1/1) ... [2024-11-19 03:21:06,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05" (1/1) ... [2024-11-19 03:21:06,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05" (1/1) ... [2024-11-19 03:21:06,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05" (1/1) ... [2024-11-19 03:21:06,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05" (1/1) ... [2024-11-19 03:21:06,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:21:06,211 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:21:06,211 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:21:06,211 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:21:06,212 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05" (1/1) ... [2024-11-19 03:21:06,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:21:06,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:21:06,248 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) [2024-11-19 03:21:06,254 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 [2024-11-19 03:21:06,292 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_scatter [2024-11-19 03:21:06,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_scatter [2024-11-19 03:21:06,292 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-19 03:21:06,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-19 03:21:06,292 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_out [2024-11-19 03:21:06,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_out [2024-11-19 03:21:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:21:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:21:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:21:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:21:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:21:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:21:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 03:21:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 03:21:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 03:21:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 03:21:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 03:21:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 03:21:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 03:21:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-19 03:21:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-19 03:21:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2024-11-19 03:21:06,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2024-11-19 03:21:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-11-19 03:21:06,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-11-19 03:21:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-19 03:21:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-19 03:21:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-19 03:21:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-19 03:21:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-19 03:21:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-19 03:21:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-19 03:21:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-19 03:21:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-19 03:21:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-19 03:21:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-19 03:21:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-19 03:21:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-19 03:21:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-19 03:21:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-19 03:21:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:21:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:21:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:21:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:21:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:21:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:21:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 03:21:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 03:21:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 03:21:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 03:21:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 03:21:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 03:21:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 03:21:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-19 03:21:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-19 03:21:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 03:21:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 03:21:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:21:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:21:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:21:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:21:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:21:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:21:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 03:21:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 03:21:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 03:21:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 03:21:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 03:21:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 03:21:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 03:21:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 03:21:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 03:21:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2024-11-19 03:21:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2024-11-19 03:21:06,301 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_diag_write32 [2024-11-19 03:21:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_diag_write32 [2024-11-19 03:21:06,301 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_destroy [2024-11-19 03:21:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_destroy [2024-11-19 03:21:06,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2024-11-19 03:21:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2024-11-19 03:21:06,301 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-19 03:21:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-19 03:21:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:21:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:21:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_default_pipe [2024-11-19 03:21:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_default_pipe [2024-11-19 03:21:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2024-11-19 03:21:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2024-11-19 03:21:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 03:21:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 03:21:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_off [2024-11-19 03:21:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_off [2024-11-19 03:21:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:21:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:21:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:21:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:21:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:21:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:21:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 03:21:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 03:21:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 03:21:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 03:21:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 03:21:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 03:21:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 03:21:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 03:21:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 03:21:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_bmi_read [2024-11-19 03:21:06,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_bmi_read [2024-11-19 03:21:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-11-19 03:21:06,305 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-11-19 03:21:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 03:21:06,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 03:21:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_stop [2024-11-19 03:21:06,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_stop [2024-11-19 03:21:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_free_queue_number [2024-11-19 03:21:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_free_queue_number [2024-11-19 03:21:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_free_urb_to_pipe [2024-11-19 03:21:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_free_urb_to_pipe [2024-11-19 03:21:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_flush_all [2024-11-19 03:21:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_flush_all [2024-11-19 03:21:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 03:21:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 03:21:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 03:21:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-19 03:21:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-19 03:21:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-19 03:21:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-19 03:21:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-19 03:21:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-19 03:21:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-19 03:21:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-19 03:21:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-19 03:21:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-19 03:21:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-19 03:21:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-19 03:21:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 03:21:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 03:21:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 03:21:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-19 03:21:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-19 03:21:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-19 03:21:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-19 03:21:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-19 03:21:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-19 03:21:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-19 03:21:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-19 03:21:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-19 03:21:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-19 03:21:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-19 03:21:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-19 03:21:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 03:21:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 03:21:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_warn [2024-11-19 03:21:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_warn [2024-11-19 03:21:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_ctrl_msg_exchange [2024-11-19 03:21:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_ctrl_msg_exchange [2024-11-19 03:21:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:21:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_recv_urb [2024-11-19 03:21:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_recv_urb [2024-11-19 03:21:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-19 03:21:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-19 03:21:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_in [2024-11-19 03:21:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_in [2024-11-19 03:21:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:21:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_on [2024-11-19 03:21:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_on [2024-11-19 03:21:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_priv [2024-11-19 03:21:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_priv [2024-11-19 03:21:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:21:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:21:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:21:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:21:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:21:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:21:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:21:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 03:21:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 03:21:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 03:21:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 03:21:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 03:21:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 03:21:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 03:21:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 03:21:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 03:21:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-19 03:21:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-19 03:21:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_err [2024-11-19 03:21:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_err [2024-11-19 03:21:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:21:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:21:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:21:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:21:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:21:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:21:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 03:21:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 03:21:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 03:21:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 03:21:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 03:21:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 03:21:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 03:21:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 03:21:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 03:21:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-19 03:21:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-19 03:21:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2024-11-19 03:21:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2024-11-19 03:21:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_alloc_urb_from_pipe [2024-11-19 03:21:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_alloc_urb_from_pipe [2024-11-19 03:21:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_remove [2024-11-19 03:21:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_remove [2024-11-19 03:21:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-19 03:21:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-19 03:21:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-19 03:21:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-19 03:21:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2024-11-19 03:21:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2024-11-19 03:21:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:21:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 03:21:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 03:21:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 03:21:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 03:21:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 03:21:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 03:21:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 03:21:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 03:21:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 03:21:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 03:21:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 03:21:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-19 03:21:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-19 03:21:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-19 03:21:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-19 03:21:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_post_recv_transfers [2024-11-19 03:21:06,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_post_recv_transfers [2024-11-19 03:21:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-19 03:21:06,321 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-19 03:21:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-19 03:21:06,321 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-19 03:21:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_map_service_pipe [2024-11-19 03:21:06,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_map_service_pipe [2024-11-19 03:21:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-19 03:21:06,322 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-19 03:21:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_dbg [2024-11-19 03:21:06,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_dbg [2024-11-19 03:21:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2024-11-19 03:21:06,322 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2024-11-19 03:21:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-19 03:21:06,322 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-19 03:21:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:21:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:21:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:21:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:21:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:21:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:21:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 03:21:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 03:21:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 03:21:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 03:21:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 03:21:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 03:21:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 03:21:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 03:21:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 03:21:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_send [2024-11-19 03:21:06,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_send [2024-11-19 03:21:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2024-11-19 03:21:06,323 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2024-11-19 03:21:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-11-19 03:21:06,323 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-11-19 03:21:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-19 03:21:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-19 03:21:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-19 03:21:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-19 03:21:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-19 03:21:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-19 03:21:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-19 03:21:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-19 03:21:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-19 03:21:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-19 03:21:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-19 03:21:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-19 03:21:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-19 03:21:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-19 03:21:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-19 03:21:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-19 03:21:06,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-19 03:21:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:21:06,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:21:06,894 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:21:06,899 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:21:07,003 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 03:21:13,014 INFO L? ?]: Removed 912 outVars from TransFormulas that were not future-live. [2024-11-19 03:21:13,014 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:21:13,051 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:21:13,054 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-19 03:21:13,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:13 BoogieIcfgContainer [2024-11-19 03:21:13,056 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:21:13,059 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:21:13,059 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:21:13,063 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:21:13,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:21:03" (1/3) ... [2024-11-19 03:21:13,064 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b244af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:21:13, skipping insertion in model container [2024-11-19 03:21:13,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:05" (2/3) ... [2024-11-19 03:21:13,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b244af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:21:13, skipping insertion in model container [2024-11-19 03:21:13,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:13" (3/3) ... [2024-11-19 03:21:13,067 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2024-11-19 03:21:13,084 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:21:13,085 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:21:13,194 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:21:13,204 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;@64af093c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:21:13,205 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:21:13,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 833 states, 592 states have (on average 1.3412162162162162) internal successors, (794), 606 states have internal predecessors, (794), 185 states have call successors, (185), 55 states have call predecessors, (185), 54 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-19 03:21:13,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 03:21:13,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:21:13,228 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:21:13,229 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:21:13,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:21:13,234 INFO L85 PathProgramCache]: Analyzing trace with hash -455878843, now seen corresponding path program 1 times [2024-11-19 03:21:13,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:21:13,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739465825] [2024-11-19 03:21:13,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:21:13,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:21:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:21:14,529 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-19 03:21:14,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:21:14,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739465825] [2024-11-19 03:21:14,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739465825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:21:14,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:21:14,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:21:14,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033218463] [2024-11-19 03:21:14,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:21:14,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:21:14,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:21:14,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:21:14,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:21:14,568 INFO L87 Difference]: Start difference. First operand has 833 states, 592 states have (on average 1.3412162162162162) internal successors, (794), 606 states have internal predecessors, (794), 185 states have call successors, (185), 55 states have call predecessors, (185), 54 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-19 03:21:18,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:21:18,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:21:18,873 INFO L93 Difference]: Finished difference Result 2428 states and 3486 transitions. [2024-11-19 03:21:18,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:21:18,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 96 [2024-11-19 03:21:18,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:21:18,900 INFO L225 Difference]: With dead ends: 2428 [2024-11-19 03:21:18,901 INFO L226 Difference]: Without dead ends: 1584 [2024-11-19 03:21:18,911 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 [2024-11-19 03:21:18,915 INFO L432 NwaCegarLoop]: 1151 mSDtfsCounter, 1066 mSDsluCounter, 1119 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1066 SdHoareTripleChecker+Valid, 2270 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:21:18,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1066 Valid, 2270 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:21:18,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2024-11-19 03:21:19,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 1584. [2024-11-19 03:21:19,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1584 states, 1134 states have (on average 1.3148148148148149) internal successors, (1491), 1150 states have internal predecessors, (1491), 345 states have call successors, (345), 105 states have call predecessors, (345), 104 states have return successors, (344), 344 states have call predecessors, (344), 344 states have call successors, (344) [2024-11-19 03:21:19,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 2180 transitions. [2024-11-19 03:21:19,094 INFO L78 Accepts]: Start accepts. Automaton has 1584 states and 2180 transitions. Word has length 96 [2024-11-19 03:21:19,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:21:19,096 INFO L471 AbstractCegarLoop]: Abstraction has 1584 states and 2180 transitions. [2024-11-19 03:21:19,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-19 03:21:19,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 2180 transitions. [2024-11-19 03:21:19,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-19 03:21:19,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:21:19,109 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:21:19,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 03:21:19,109 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:21:19,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:21:19,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1823649856, now seen corresponding path program 1 times [2024-11-19 03:21:19,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:21:19,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690817743] [2024-11-19 03:21:19,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:21:19,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:21:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:21:19,869 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-19 03:21:19,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:21:19,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690817743] [2024-11-19 03:21:19,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690817743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:21:19,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:21:19,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:21:19,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540249650] [2024-11-19 03:21:19,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:21:19,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:21:19,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:21:19,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:21:19,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:21:19,874 INFO L87 Difference]: Start difference. First operand 1584 states and 2180 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-19 03:21:20,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:21:20,038 INFO L93 Difference]: Finished difference Result 3138 states and 4317 transitions. [2024-11-19 03:21:20,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:21:20,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 107 [2024-11-19 03:21:20,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:21:20,052 INFO L225 Difference]: With dead ends: 3138 [2024-11-19 03:21:20,052 INFO L226 Difference]: Without dead ends: 1592 [2024-11-19 03:21:20,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:21:20,063 INFO L432 NwaCegarLoop]: 1133 mSDtfsCounter, 1125 mSDsluCounter, 1135 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1125 SdHoareTripleChecker+Valid, 2268 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:21:20,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1125 Valid, 2268 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:21:20,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2024-11-19 03:21:20,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 1586. [2024-11-19 03:21:20,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1136 states have (on average 1.3133802816901408) internal successors, (1492), 1152 states have internal predecessors, (1492), 345 states have call successors, (345), 105 states have call predecessors, (345), 104 states have return successors, (344), 344 states have call predecessors, (344), 344 states have call successors, (344) [2024-11-19 03:21:20,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2181 transitions. [2024-11-19 03:21:20,147 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2181 transitions. Word has length 107 [2024-11-19 03:21:20,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:21:20,148 INFO L471 AbstractCegarLoop]: Abstraction has 1586 states and 2181 transitions. [2024-11-19 03:21:20,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-19 03:21:20,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2181 transitions. [2024-11-19 03:21:20,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-19 03:21:20,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:21:20,155 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:21:20,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:21:20,155 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:21:20,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:21:20,155 INFO L85 PathProgramCache]: Analyzing trace with hash 2071485682, now seen corresponding path program 1 times [2024-11-19 03:21:20,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:21:20,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184236550] [2024-11-19 03:21:20,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:21:20,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:21:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:21:21,173 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-19 03:21:21,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:21:21,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184236550] [2024-11-19 03:21:21,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184236550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:21:21,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:21:21,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:21:21,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23527116] [2024-11-19 03:21:21,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:21:21,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:21:21,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:21:21,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:21:21,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:21:21,181 INFO L87 Difference]: Start difference. First operand 1586 states and 2181 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 03:21:21,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:21:21,456 INFO L93 Difference]: Finished difference Result 4679 states and 6473 transitions. [2024-11-19 03:21:21,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 03:21:21,457 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 112 [2024-11-19 03:21:21,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:21:21,478 INFO L225 Difference]: With dead ends: 4679 [2024-11-19 03:21:21,479 INFO L226 Difference]: Without dead ends: 3125 [2024-11-19 03:21:21,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 03:21:21,487 INFO L432 NwaCegarLoop]: 1175 mSDtfsCounter, 1098 mSDsluCounter, 3419 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1098 SdHoareTripleChecker+Valid, 4594 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:21:21,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1098 Valid, 4594 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:21:21,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3125 states. [2024-11-19 03:21:21,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3125 to 3117. [2024-11-19 03:21:21,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3117 states, 2234 states have (on average 1.315129811996419) internal successors, (2938), 2266 states have internal predecessors, (2938), 676 states have call successors, (676), 207 states have call predecessors, (676), 206 states have return successors, (695), 675 states have call predecessors, (695), 675 states have call successors, (695) [2024-11-19 03:21:21,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 3117 states and 4309 transitions. [2024-11-19 03:21:21,643 INFO L78 Accepts]: Start accepts. Automaton has 3117 states and 4309 transitions. Word has length 112 [2024-11-19 03:21:21,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:21:21,643 INFO L471 AbstractCegarLoop]: Abstraction has 3117 states and 4309 transitions. [2024-11-19 03:21:21,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 03:21:21,644 INFO L276 IsEmpty]: Start isEmpty. Operand 3117 states and 4309 transitions. [2024-11-19 03:21:21,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-19 03:21:21,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:21:21,656 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:21:21,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:21:21,656 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:21:21,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:21:21,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1884151932, now seen corresponding path program 1 times [2024-11-19 03:21:21,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:21:21,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613595195] [2024-11-19 03:21:21,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:21:21,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:21:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:21:22,251 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-11-19 03:21:22,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:21:22,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613595195] [2024-11-19 03:21:22,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613595195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:21:22,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:21:22,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:21:22,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920301586] [2024-11-19 03:21:22,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:21:22,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:21:22,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:21:22,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:21:22,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:21:22,254 INFO L87 Difference]: Start difference. First operand 3117 states and 4309 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-19 03:21:22,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:21:22,549 INFO L93 Difference]: Finished difference Result 8157 states and 11224 transitions. [2024-11-19 03:21:22,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:21:22,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 244 [2024-11-19 03:21:22,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:21:22,583 INFO L225 Difference]: With dead ends: 8157 [2024-11-19 03:21:22,583 INFO L226 Difference]: Without dead ends: 5078 [2024-11-19 03:21:22,598 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 [2024-11-19 03:21:22,599 INFO L432 NwaCegarLoop]: 1146 mSDtfsCounter, 716 mSDsluCounter, 1055 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 716 SdHoareTripleChecker+Valid, 2201 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:21:22,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [716 Valid, 2201 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:21:22,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5078 states. [2024-11-19 03:21:22,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5078 to 5067. [2024-11-19 03:21:22,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5067 states, 3616 states have (on average 1.3177544247787611) internal successors, (4765), 3664 states have internal predecessors, (4765), 1076 states have call successors, (1076), 375 states have call predecessors, (1076), 374 states have return successors, (1111), 1075 states have call predecessors, (1111), 1075 states have call successors, (1111) [2024-11-19 03:21:22,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5067 states to 5067 states and 6952 transitions. [2024-11-19 03:21:22,916 INFO L78 Accepts]: Start accepts. Automaton has 5067 states and 6952 transitions. Word has length 244 [2024-11-19 03:21:22,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:21:22,916 INFO L471 AbstractCegarLoop]: Abstraction has 5067 states and 6952 transitions. [2024-11-19 03:21:22,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-19 03:21:22,917 INFO L276 IsEmpty]: Start isEmpty. Operand 5067 states and 6952 transitions. [2024-11-19 03:21:22,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-19 03:21:22,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:21:22,933 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:21:22,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:21:22,933 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:21:22,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:21:22,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1262629241, now seen corresponding path program 1 times [2024-11-19 03:21:22,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:21:22,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994290410] [2024-11-19 03:21:22,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:21:22,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:21:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:21:23,579 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2024-11-19 03:21:23,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:21:23,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994290410] [2024-11-19 03:21:23,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994290410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:21:23,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:21:23,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:21:23,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203032962] [2024-11-19 03:21:23,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:21:23,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:21:23,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:21:23,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:21:23,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:21:23,582 INFO L87 Difference]: Start difference. First operand 5067 states and 6952 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-19 03:21:24,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:21:24,056 INFO L93 Difference]: Finished difference Result 12008 states and 16391 transitions. [2024-11-19 03:21:24,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:21:24,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 225 [2024-11-19 03:21:24,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:21:24,109 INFO L225 Difference]: With dead ends: 12008 [2024-11-19 03:21:24,110 INFO L226 Difference]: Without dead ends: 6979 [2024-11-19 03:21:24,134 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 [2024-11-19 03:21:24,135 INFO L432 NwaCegarLoop]: 1330 mSDtfsCounter, 668 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 2304 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:21:24,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 2304 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:21:24,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6979 states. [2024-11-19 03:21:24,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6979 to 6966. [2024-11-19 03:21:24,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6966 states, 5008 states have (on average 1.3061102236421724) internal successors, (6541), 5084 states have internal predecessors, (6541), 1441 states have call successors, (1441), 517 states have call predecessors, (1441), 516 states have return successors, (1488), 1440 states have call predecessors, (1488), 1440 states have call successors, (1488) [2024-11-19 03:21:24,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6966 states to 6966 states and 9470 transitions. [2024-11-19 03:21:24,567 INFO L78 Accepts]: Start accepts. Automaton has 6966 states and 9470 transitions. Word has length 225 [2024-11-19 03:21:24,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:21:24,568 INFO L471 AbstractCegarLoop]: Abstraction has 6966 states and 9470 transitions. [2024-11-19 03:21:24,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-19 03:21:24,569 INFO L276 IsEmpty]: Start isEmpty. Operand 6966 states and 9470 transitions. [2024-11-19 03:21:24,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-19 03:21:24,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:21:24,589 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:21:24,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 03:21:24,589 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:21:24,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:21:24,590 INFO L85 PathProgramCache]: Analyzing trace with hash -922846508, now seen corresponding path program 1 times [2024-11-19 03:21:24,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:21:24,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278850380] [2024-11-19 03:21:24,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:21:24,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:21:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:21:25,413 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2024-11-19 03:21:25,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:21:25,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278850380] [2024-11-19 03:21:25,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278850380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:21:25,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:21:25,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:21:25,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951517890] [2024-11-19 03:21:25,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:21:25,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:21:25,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:21:25,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:21:25,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:21:25,417 INFO L87 Difference]: Start difference. First operand 6966 states and 9470 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-19 03:21:29,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:21:29,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:21:29,905 INFO L93 Difference]: Finished difference Result 16548 states and 22434 transitions. [2024-11-19 03:21:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:21:29,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 255 [2024-11-19 03:21:29,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:21:30,001 INFO L225 Difference]: With dead ends: 16548 [2024-11-19 03:21:30,001 INFO L226 Difference]: Without dead ends: 9631 [2024-11-19 03:21:30,036 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 [2024-11-19 03:21:30,037 INFO L432 NwaCegarLoop]: 1159 mSDtfsCounter, 985 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 985 SdHoareTripleChecker+Valid, 1991 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:21:30,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [985 Valid, 1991 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:21:30,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9631 states. [2024-11-19 03:21:30,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9631 to 9616. [2024-11-19 03:21:30,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9616 states, 6914 states have (on average 1.3027191206248192) internal successors, (9007), 7014 states have internal predecessors, (9007), 1943 states have call successors, (1943), 759 states have call predecessors, (1943), 758 states have return successors, (2006), 1942 states have call predecessors, (2006), 1942 states have call successors, (2006) [2024-11-19 03:21:30,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9616 states to 9616 states and 12956 transitions. [2024-11-19 03:21:30,623 INFO L78 Accepts]: Start accepts. Automaton has 9616 states and 12956 transitions. Word has length 255 [2024-11-19 03:21:30,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:21:30,624 INFO L471 AbstractCegarLoop]: Abstraction has 9616 states and 12956 transitions. [2024-11-19 03:21:30,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-19 03:21:30,626 INFO L276 IsEmpty]: Start isEmpty. Operand 9616 states and 12956 transitions. [2024-11-19 03:21:30,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-11-19 03:21:30,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:21:30,644 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:21:30,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 03:21:30,645 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:21:30,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:21:30,645 INFO L85 PathProgramCache]: Analyzing trace with hash -525379197, now seen corresponding path program 1 times [2024-11-19 03:21:30,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:21:30,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822955713] [2024-11-19 03:21:30,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:21:30,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:21:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:21:31,325 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2024-11-19 03:21:31,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:21:31,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822955713] [2024-11-19 03:21:31,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822955713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:21:31,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:21:31,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:21:31,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775199409] [2024-11-19 03:21:31,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:21:31,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:21:31,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:21:31,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:21:31,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:21:31,329 INFO L87 Difference]: Start difference. First operand 9616 states and 12956 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-19 03:21:35,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:21:36,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:21:36,250 INFO L93 Difference]: Finished difference Result 25342 states and 34142 transitions. [2024-11-19 03:21:36,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:21:36,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 237 [2024-11-19 03:21:36,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:21:36,363 INFO L225 Difference]: With dead ends: 25342 [2024-11-19 03:21:36,364 INFO L226 Difference]: Without dead ends: 15775 [2024-11-19 03:21:36,411 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 [2024-11-19 03:21:36,413 INFO L432 NwaCegarLoop]: 1667 mSDtfsCounter, 922 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 55 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 922 SdHoareTripleChecker+Valid, 2668 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-19 03:21:36,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [922 Valid, 2668 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 119 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-19 03:21:36,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15775 states. [2024-11-19 03:21:37,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15775 to 15762. [2024-11-19 03:21:37,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15762 states, 11452 states have (on average 1.2840551868669228) internal successors, (14705), 11620 states have internal predecessors, (14705), 3007 states have call successors, (3007), 1303 states have call predecessors, (3007), 1302 states have return successors, (3104), 3006 states have call predecessors, (3104), 3006 states have call successors, (3104) [2024-11-19 03:21:37,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15762 states to 15762 states and 20816 transitions. [2024-11-19 03:21:37,179 INFO L78 Accepts]: Start accepts. Automaton has 15762 states and 20816 transitions. Word has length 237 [2024-11-19 03:21:37,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:21:37,180 INFO L471 AbstractCegarLoop]: Abstraction has 15762 states and 20816 transitions. [2024-11-19 03:21:37,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-19 03:21:37,180 INFO L276 IsEmpty]: Start isEmpty. Operand 15762 states and 20816 transitions. [2024-11-19 03:21:37,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-11-19 03:21:37,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:21:37,202 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:21:37,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 03:21:37,203 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:21:37,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:21:37,203 INFO L85 PathProgramCache]: Analyzing trace with hash -789007691, now seen corresponding path program 1 times [2024-11-19 03:21:37,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:21:37,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081555929] [2024-11-19 03:21:37,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:21:37,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:21:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:21:37,811 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-11-19 03:21:37,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:21:37,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081555929] [2024-11-19 03:21:37,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081555929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:21:37,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:21:37,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:21:37,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515017106] [2024-11-19 03:21:37,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:21:37,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:21:37,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:21:37,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:21:37,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:21:37,815 INFO L87 Difference]: Start difference. First operand 15762 states and 20816 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-19 03:21:38,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:21:38,231 INFO L93 Difference]: Finished difference Result 23679 states and 31420 transitions. [2024-11-19 03:21:38,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:21:38,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 236 [2024-11-19 03:21:38,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:21:38,326 INFO L225 Difference]: With dead ends: 23679 [2024-11-19 03:21:38,326 INFO L226 Difference]: Without dead ends: 15790 [2024-11-19 03:21:38,364 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 [2024-11-19 03:21:38,365 INFO L432 NwaCegarLoop]: 1129 mSDtfsCounter, 3 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2250 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 [2024-11-19 03:21:38,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2250 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:21:38,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15790 states. [2024-11-19 03:21:39,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15790 to 15790. [2024-11-19 03:21:39,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15790 states, 11480 states have (on average 1.2833623693379792) internal successors, (14733), 11648 states have internal predecessors, (14733), 3007 states have call successors, (3007), 1303 states have call predecessors, (3007), 1302 states have return successors, (3104), 3006 states have call predecessors, (3104), 3006 states have call successors, (3104) [2024-11-19 03:21:39,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15790 states to 15790 states and 20844 transitions. [2024-11-19 03:21:39,152 INFO L78 Accepts]: Start accepts. Automaton has 15790 states and 20844 transitions. Word has length 236 [2024-11-19 03:21:39,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:21:39,153 INFO L471 AbstractCegarLoop]: Abstraction has 15790 states and 20844 transitions. [2024-11-19 03:21:39,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-19 03:21:39,153 INFO L276 IsEmpty]: Start isEmpty. Operand 15790 states and 20844 transitions. [2024-11-19 03:21:39,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-11-19 03:21:39,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:21:39,177 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:21:39,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 03:21:39,177 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:21:39,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:21:39,177 INFO L85 PathProgramCache]: Analyzing trace with hash -472131133, now seen corresponding path program 1 times [2024-11-19 03:21:39,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:21:39,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399075771] [2024-11-19 03:21:39,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:21:39,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:21:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:21:40,224 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-19 03:21:40,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:21:40,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399075771] [2024-11-19 03:21:40,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399075771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:21:40,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:21:40,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:21:40,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739416076] [2024-11-19 03:21:40,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:21:40,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:21:40,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:21:40,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:21:40,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:21:40,229 INFO L87 Difference]: Start difference. First operand 15790 states and 20844 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-19 03:21:40,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:21:40,961 INFO L93 Difference]: Finished difference Result 31649 states and 41956 transitions. [2024-11-19 03:21:40,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 03:21:40,962 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 237 [2024-11-19 03:21:40,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:21:41,061 INFO L225 Difference]: With dead ends: 31649 [2024-11-19 03:21:41,061 INFO L226 Difference]: Without dead ends: 15908 [2024-11-19 03:21:41,121 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 [2024-11-19 03:21:41,123 INFO L432 NwaCegarLoop]: 1128 mSDtfsCounter, 0 mSDsluCounter, 3379 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4507 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:21:41,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4507 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:21:41,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15908 states. [2024-11-19 03:21:41,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15908 to 15902. [2024-11-19 03:21:41,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15902 states, 11564 states have (on average 1.2813040470425459) internal successors, (14817), 11732 states have internal predecessors, (14817), 3007 states have call successors, (3007), 1303 states have call predecessors, (3007), 1330 states have return successors, (3138), 3034 states have call predecessors, (3138), 3006 states have call successors, (3138) [2024-11-19 03:21:41,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15902 states to 15902 states and 20962 transitions. [2024-11-19 03:21:41,903 INFO L78 Accepts]: Start accepts. Automaton has 15902 states and 20962 transitions. Word has length 237 [2024-11-19 03:21:41,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:21:41,906 INFO L471 AbstractCegarLoop]: Abstraction has 15902 states and 20962 transitions. [2024-11-19 03:21:41,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-19 03:21:41,907 INFO L276 IsEmpty]: Start isEmpty. Operand 15902 states and 20962 transitions. [2024-11-19 03:21:41,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-19 03:21:41,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:21:41,932 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 13, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:21:41,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 03:21:41,933 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:21:41,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:21:41,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1481652662, now seen corresponding path program 1 times [2024-11-19 03:21:41,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:21:41,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21077995] [2024-11-19 03:21:41,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:21:41,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:21:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:21:42,564 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-11-19 03:21:42,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:21:42,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21077995] [2024-11-19 03:21:42,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21077995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:21:42,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:21:42,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:21:42,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901153472] [2024-11-19 03:21:42,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:21:42,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:21:42,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:21:42,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:21:42,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:21:42,568 INFO L87 Difference]: Start difference. First operand 15902 states and 20962 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-19 03:21:43,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:21:43,145 INFO L93 Difference]: Finished difference Result 31803 states and 41988 transitions. [2024-11-19 03:21:43,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:21:43,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) Word has length 244 [2024-11-19 03:21:43,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:21:43,258 INFO L225 Difference]: With dead ends: 31803 [2024-11-19 03:21:43,258 INFO L226 Difference]: Without dead ends: 15950 [2024-11-19 03:21:43,316 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 [2024-11-19 03:21:43,317 INFO L432 NwaCegarLoop]: 1128 mSDtfsCounter, 1 mSDsluCounter, 1124 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2252 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:21:43,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2252 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:21:43,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15950 states. [2024-11-19 03:21:43,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15950 to 15926. [2024-11-19 03:21:43,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15926 states, 11588 states have (on average 1.280721435968243) internal successors, (14841), 11756 states have internal predecessors, (14841), 3007 states have call successors, (3007), 1303 states have call predecessors, (3007), 1330 states have return successors, (3138), 3034 states have call predecessors, (3138), 3006 states have call successors, (3138) [2024-11-19 03:21:43,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15926 states to 15926 states and 20986 transitions. [2024-11-19 03:21:43,989 INFO L78 Accepts]: Start accepts. Automaton has 15926 states and 20986 transitions. Word has length 244 [2024-11-19 03:21:43,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:21:43,990 INFO L471 AbstractCegarLoop]: Abstraction has 15926 states and 20986 transitions. [2024-11-19 03:21:43,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-19 03:21:43,991 INFO L276 IsEmpty]: Start isEmpty. Operand 15926 states and 20986 transitions. [2024-11-19 03:21:44,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-19 03:21:44,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:21:44,023 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:21:44,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 03:21:44,024 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:21:44,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:21:44,025 INFO L85 PathProgramCache]: Analyzing trace with hash 579347322, now seen corresponding path program 1 times [2024-11-19 03:21:44,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:21:44,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035530434] [2024-11-19 03:21:44,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:21:44,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:21:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:21:45,498 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-19 03:21:45,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:21:45,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035530434] [2024-11-19 03:21:45,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035530434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:21:45,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:21:45,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 03:21:45,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399670920] [2024-11-19 03:21:45,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:21:45,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 03:21:45,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:21:45,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 03:21:45,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-19 03:21:45,502 INFO L87 Difference]: Start difference. First operand 15926 states and 20986 transitions. Second operand has 8 states, 8 states have (on average 16.125) internal successors, (129), 7 states have internal predecessors, (129), 5 states have call successors, (32), 4 states have call predecessors, (32), 3 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-19 03:21:49,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:21:53,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:21:57,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:22:02,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:22:02,940 INFO L93 Difference]: Finished difference Result 34813 states and 46026 transitions. [2024-11-19 03:22:02,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 03:22:02,942 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 7 states have internal predecessors, (129), 5 states have call successors, (32), 4 states have call predecessors, (32), 3 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) Word has length 240 [2024-11-19 03:22:02,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:22:03,099 INFO L225 Difference]: With dead ends: 34813 [2024-11-19 03:22:03,099 INFO L226 Difference]: Without dead ends: 18936 [2024-11-19 03:22:03,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-19 03:22:03,173 INFO L432 NwaCegarLoop]: 691 mSDtfsCounter, 1652 mSDsluCounter, 2583 mSDsCounter, 0 mSdLazyCounter, 3669 mSolverCounterSat, 546 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1851 SdHoareTripleChecker+Valid, 3274 SdHoareTripleChecker+Invalid, 4218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 546 IncrementalHoareTripleChecker+Valid, 3669 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2024-11-19 03:22:03,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1851 Valid, 3274 Invalid, 4218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [546 Valid, 3669 Invalid, 3 Unknown, 0 Unchecked, 16.5s Time] [2024-11-19 03:22:03,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18936 states. [2024-11-19 03:22:04,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18936 to 18600. [2024-11-19 03:22:04,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18600 states, 13256 states have (on average 1.2642576946288473) internal successors, (16759), 13536 states have internal predecessors, (16759), 3651 states have call successors, (3651), 1569 states have call predecessors, (3651), 1692 states have return successors, (4006), 3704 states have call predecessors, (4006), 3650 states have call successors, (4006) [2024-11-19 03:22:04,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18600 states to 18600 states and 24416 transitions. [2024-11-19 03:22:04,346 INFO L78 Accepts]: Start accepts. Automaton has 18600 states and 24416 transitions. Word has length 240 [2024-11-19 03:22:04,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:22:04,347 INFO L471 AbstractCegarLoop]: Abstraction has 18600 states and 24416 transitions. [2024-11-19 03:22:04,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 7 states have internal predecessors, (129), 5 states have call successors, (32), 4 states have call predecessors, (32), 3 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-19 03:22:04,347 INFO L276 IsEmpty]: Start isEmpty. Operand 18600 states and 24416 transitions. [2024-11-19 03:22:04,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2024-11-19 03:22:04,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:22:04,369 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 13, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:22:04,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 03:22:04,369 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:22:04,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:22:04,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1540077906, now seen corresponding path program 1 times [2024-11-19 03:22:04,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:22:04,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410213040] [2024-11-19 03:22:04,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:22:04,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:22:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:22:05,022 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-11-19 03:22:05,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:22:05,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410213040] [2024-11-19 03:22:05,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410213040] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:22:05,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398838811] [2024-11-19 03:22:05,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:22:05,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:22:05,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:22:05,026 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) [2024-11-19 03:22:05,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 03:22:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:22:06,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 2376 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 03:22:06,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:22:06,671 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 106 proven. 8 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-11-19 03:22:06,673 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 03:22:08,333 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-19 03:22:08,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398838811] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-19 03:22:08,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-19 03:22:08,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [4, 9] total 17 [2024-11-19 03:22:08,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879904551] [2024-11-19 03:22:08,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:22:08,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 03:22:08,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:22:08,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 03:22:08,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-11-19 03:22:08,336 INFO L87 Difference]: Start difference. First operand 18600 states and 24416 transitions. Second operand has 9 states, 9 states have (on average 14.88888888888889) internal successors, (134), 9 states have internal predecessors, (134), 7 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (32), 7 states have call predecessors, (32), 6 states have call successors, (32) [2024-11-19 03:22:12,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:22:16,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []