./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /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 --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/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-dev-4a390ef-m [2024-10-24 13:41:22,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 13:41:22,955 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 13:41:22,964 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 13:41:22,964 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 13:41:22,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 13:41:22,989 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 13:41:22,989 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 13:41:22,990 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 13:41:22,990 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 13:41:22,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 13:41:22,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 13:41:22,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 13:41:22,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 13:41:22,992 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 13:41:22,992 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 13:41:22,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 13:41:22,993 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 13:41:22,993 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 13:41:22,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 13:41:22,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 13:41:22,998 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 13:41:22,999 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 13:41:22,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 13:41:22,999 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 13:41:22,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 13:41:22,999 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 13:41:23,000 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 13:41:23,000 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 13:41:23,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:41:23,000 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 13:41:23,001 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 13:41:23,001 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 13:41:23,002 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 13:41:23,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 13:41:23,005 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 13:41:23,006 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 13:41:23,006 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 13:41:23,006 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 13:41:23,006 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 [2024-10-24 13:41:23,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 13:41:23,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 13:41:23,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 13:41:23,294 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 13:41:23,294 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 13:41:23,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /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 [2024-10-24 13:41:24,773 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 13:41:25,255 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 13:41:25,255 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 [2024-10-24 13:41:25,306 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76c396f01/d2ae29c681954428b3dc760360ce5b53/FLAG85bfe8771 [2024-10-24 13:41:25,347 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76c396f01/d2ae29c681954428b3dc760360ce5b53 [2024-10-24 13:41:25,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 13:41:25,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 13:41:25,355 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 13:41:25,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 13:41:25,361 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 13:41:25,362 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:41:25" (1/1) ... [2024-10-24 13:41:25,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55b66141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:25, skipping insertion in model container [2024-10-24 13:41:25,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:41:25" (1/1) ... [2024-10-24 13:41:25,474 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 13:41:26,340 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/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] [2024-10-24 13:41:26,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:41:26,864 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 13:41:27,126 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/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] [2024-10-24 13:41:27,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:41:27,332 INFO L204 MainTranslator]: Completed translation [2024-10-24 13:41:27,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:27 WrapperNode [2024-10-24 13:41:27,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 13:41:27,334 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 13:41:27,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 13:41:27,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 13:41:27,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:27" (1/1) ... [2024-10-24 13:41:27,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:27" (1/1) ... [2024-10-24 13:41:27,501 INFO L138 Inliner]: procedures = 175, calls = 735, calls flagged for inlining = 71, calls inlined = 62, statements flattened = 2000 [2024-10-24 13:41:27,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 13:41:27,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 13:41:27,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 13:41:27,504 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 13:41:27,515 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:27" (1/1) ... [2024-10-24 13:41:27,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:27" (1/1) ... [2024-10-24 13:41:27,533 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:27" (1/1) ... [2024-10-24 13:41:27,890 INFO L175 MemorySlicer]: Split 336 memory accesses to 15 slices as follows [2, 2, 248, 3, 3, 6, 3, 3, 3, 3, 2, 42, 4, 10, 2]. 74 percent of accesses are in the largest equivalence class. The 84 initializations are split as follows [2, 0, 22, 3, 3, 0, 3, 3, 3, 3, 0, 42, 0, 0, 0]. The 107 writes are split as follows [0, 1, 91, 0, 0, 3, 0, 0, 0, 0, 1, 0, 1, 9, 1]. [2024-10-24 13:41:27,890 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:27" (1/1) ... [2024-10-24 13:41:27,890 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:27" (1/1) ... [2024-10-24 13:41:27,965 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:27" (1/1) ... [2024-10-24 13:41:27,988 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:27" (1/1) ... [2024-10-24 13:41:28,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:27" (1/1) ... [2024-10-24 13:41:28,024 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:27" (1/1) ... [2024-10-24 13:41:28,054 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 13:41:28,056 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 13:41:28,056 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 13:41:28,056 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 13:41:28,057 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:27" (1/1) ... [2024-10-24 13:41:28,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:41:28,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:41:28,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 13:41:28,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 13:41:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_scatter [2024-10-24 13:41:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_scatter [2024-10-24 13:41:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-10-24 13:41:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-10-24 13:41:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_out [2024-10-24 13:41:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_out [2024-10-24 13:41:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-24 13:41:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-24 13:41:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-24 13:41:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-24 13:41:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-24 13:41:28,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-24 13:41:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-24 13:41:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-24 13:41:28,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-24 13:41:28,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-24 13:41:28,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-24 13:41:28,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-24 13:41:28,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-24 13:41:28,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-24 13:41:28,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-10-24 13:41:28,147 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2024-10-24 13:41:28,147 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2024-10-24 13:41:28,148 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-10-24 13:41:28,148 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-10-24 13:41:28,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-24 13:41:28,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-24 13:41:28,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-24 13:41:28,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-24 13:41:28,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-24 13:41:28,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-24 13:41:28,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-24 13:41:28,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-24 13:41:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-24 13:41:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-24 13:41:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-10-24 13:41:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-10-24 13:41:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-10-24 13:41:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-10-24 13:41:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-10-24 13:41:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-24 13:41:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-24 13:41:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-24 13:41:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-24 13:41:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-24 13:41:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-24 13:41:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-24 13:41:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-24 13:41:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-24 13:41:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-24 13:41:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-24 13:41:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-24 13:41:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-24 13:41:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-10-24 13:41:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-10-24 13:41:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-24 13:41:28,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-24 13:41:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 13:41:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 13:41:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 13:41:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 13:41:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 13:41:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 13:41:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 13:41:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 13:41:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 13:41:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-24 13:41:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-24 13:41:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-24 13:41:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-24 13:41:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-24 13:41:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-24 13:41:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2024-10-24 13:41:28,155 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2024-10-24 13:41:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_diag_write32 [2024-10-24 13:41:28,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_diag_write32 [2024-10-24 13:41:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_destroy [2024-10-24 13:41:28,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_destroy [2024-10-24 13:41:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2024-10-24 13:41:28,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2024-10-24 13:41:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-10-24 13:41:28,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-10-24 13:41:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-24 13:41:28,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-24 13:41:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_default_pipe [2024-10-24 13:41:28,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_default_pipe [2024-10-24 13:41:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2024-10-24 13:41:28,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2024-10-24 13:41:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-24 13:41:28,156 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-24 13:41:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_off [2024-10-24 13:41:28,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_off [2024-10-24 13:41:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 13:41:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 13:41:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 13:41:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 13:41:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 13:41:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 13:41:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 13:41:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 13:41:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 13:41:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-24 13:41:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-24 13:41:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-24 13:41:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-24 13:41:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-24 13:41:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-24 13:41:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_bmi_read [2024-10-24 13:41:28,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_bmi_read [2024-10-24 13:41:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-10-24 13:41:28,157 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-10-24 13:41:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-24 13:41:28,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-24 13:41:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_stop [2024-10-24 13:41:28,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_stop [2024-10-24 13:41:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_free_queue_number [2024-10-24 13:41:28,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_free_queue_number [2024-10-24 13:41:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_free_urb_to_pipe [2024-10-24 13:41:28,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_free_urb_to_pipe [2024-10-24 13:41:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_flush_all [2024-10-24 13:41:28,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_flush_all [2024-10-24 13:41:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-24 13:41:28,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-24 13:41:28,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-24 13:41:28,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-24 13:41:28,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-24 13:41:28,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-24 13:41:28,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-24 13:41:28,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-24 13:41:28,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-24 13:41:28,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-24 13:41:28,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-24 13:41:28,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-24 13:41:28,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-10-24 13:41:28,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-10-24 13:41:28,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-10-24 13:41:28,162 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-24 13:41:28,162 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-24 13:41:28,163 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-24 13:41:28,163 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-24 13:41:28,163 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-24 13:41:28,163 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-24 13:41:28,163 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-24 13:41:28,164 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-24 13:41:28,164 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-24 13:41:28,164 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-24 13:41:28,164 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-24 13:41:28,164 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-24 13:41:28,164 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-10-24 13:41:28,165 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-10-24 13:41:28,165 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-10-24 13:41:28,165 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 13:41:28,167 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 13:41:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_warn [2024-10-24 13:41:28,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_warn [2024-10-24 13:41:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_ctrl_msg_exchange [2024-10-24 13:41:28,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_ctrl_msg_exchange [2024-10-24 13:41:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 13:41:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_recv_urb [2024-10-24 13:41:28,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_recv_urb [2024-10-24 13:41:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-24 13:41:28,168 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-24 13:41:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_in [2024-10-24 13:41:28,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_in [2024-10-24 13:41:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 13:41:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_on [2024-10-24 13:41:28,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_on [2024-10-24 13:41:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_priv [2024-10-24 13:41:28,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_priv [2024-10-24 13:41:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 13:41:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 13:41:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 13:41:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 13:41:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 13:41:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 13:41:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 13:41:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 13:41:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 13:41:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 13:41:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-24 13:41:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-24 13:41:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-24 13:41:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-24 13:41:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-24 13:41:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-24 13:41:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-10-24 13:41:28,169 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-10-24 13:41:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_err [2024-10-24 13:41:28,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_err [2024-10-24 13:41:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 13:41:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 13:41:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 13:41:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 13:41:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 13:41:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 13:41:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 13:41:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 13:41:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 13:41:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-24 13:41:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-24 13:41:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-24 13:41:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-24 13:41:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-24 13:41:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-24 13:41:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-10-24 13:41:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-10-24 13:41:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2024-10-24 13:41:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2024-10-24 13:41:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_alloc_urb_from_pipe [2024-10-24 13:41:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_alloc_urb_from_pipe [2024-10-24 13:41:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_remove [2024-10-24 13:41:28,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_remove [2024-10-24 13:41:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-10-24 13:41:28,174 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-10-24 13:41:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-24 13:41:28,174 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-24 13:41:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2024-10-24 13:41:28,174 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2024-10-24 13:41:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 13:41:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 13:41:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 13:41:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 13:41:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 13:41:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 13:41:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 13:41:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 13:41:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 13:41:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 13:41:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-24 13:41:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-24 13:41:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-24 13:41:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-24 13:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-24 13:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-24 13:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_post_recv_transfers [2024-10-24 13:41:28,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_post_recv_transfers [2024-10-24 13:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-10-24 13:41:28,176 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-10-24 13:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-10-24 13:41:28,177 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-10-24 13:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_map_service_pipe [2024-10-24 13:41:28,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_map_service_pipe [2024-10-24 13:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-10-24 13:41:28,177 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-10-24 13:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_dbg [2024-10-24 13:41:28,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_dbg [2024-10-24 13:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2024-10-24 13:41:28,177 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2024-10-24 13:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-10-24 13:41:28,177 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-10-24 13:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 13:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 13:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 13:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 13:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 13:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 13:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 13:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 13:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 13:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-24 13:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-24 13:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-24 13:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-24 13:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-24 13:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-24 13:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_send [2024-10-24 13:41:28,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_send [2024-10-24 13:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2024-10-24 13:41:28,178 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2024-10-24 13:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-10-24 13:41:28,179 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-10-24 13:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-24 13:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-24 13:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-24 13:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-24 13:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-24 13:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-24 13:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-24 13:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-24 13:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-24 13:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-24 13:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-10-24 13:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-10-24 13:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-10-24 13:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-10-24 13:41:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-10-24 13:41:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-10-24 13:41:28,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-10-24 13:41:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 13:41:28,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 13:41:28,842 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 13:41:28,845 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 13:41:28,952 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-24 13:41:32,030 INFO L? ?]: Removed 912 outVars from TransFormulas that were not future-live. [2024-10-24 13:41:32,031 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 13:41:32,161 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 13:41:32,161 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-24 13:41:32,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:41:32 BoogieIcfgContainer [2024-10-24 13:41:32,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 13:41:32,164 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 13:41:32,164 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 13:41:32,167 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 13:41:32,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:41:25" (1/3) ... [2024-10-24 13:41:32,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631f1d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:41:32, skipping insertion in model container [2024-10-24 13:41:32,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:41:27" (2/3) ... [2024-10-24 13:41:32,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631f1d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:41:32, skipping insertion in model container [2024-10-24 13:41:32,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:41:32" (3/3) ... [2024-10-24 13:41:32,170 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 [2024-10-24 13:41:32,186 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 13:41:32,186 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 13:41:32,284 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 13:41:32,292 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;@7855695f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 13:41:32,292 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 13:41:32,299 INFO L276 IsEmpty]: Start isEmpty. Operand has 728 states, 487 states have (on average 1.4147843942505134) internal successors, (689), 501 states have internal predecessors, (689), 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) [2024-10-24 13:41:32,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-24 13:41:32,313 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:41:32,315 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] [2024-10-24 13:41:32,315 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:41:32,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:41:32,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1784522689, now seen corresponding path program 1 times [2024-10-24 13:41:32,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:41:32,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646733412] [2024-10-24 13:41:32,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:41:32,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:41:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:33,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:41:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:33,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:41:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:33,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:41:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:33,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:41:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:33,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:41:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:33,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 13:41:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:33,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:41:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:33,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:41:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:33,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 13:41:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:33,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:41:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:33,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:41:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:33,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 13:41:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:33,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:41:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:33,392 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-24 13:41:33,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:41:33,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646733412] [2024-10-24 13:41:33,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646733412] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:41:33,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:41:33,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:41:33,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341576030] [2024-10-24 13:41:33,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:41:33,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:41:33,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:41:33,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:41:33,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:41:33,433 INFO L87 Difference]: Start difference. First operand has 728 states, 487 states have (on average 1.4147843942505134) internal successors, (689), 501 states have internal predecessors, (689), 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 6 states, 6 states have (on average 5.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 13:41:36,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:41:38,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:41:43,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:41:43,594 INFO L93 Difference]: Finished difference Result 2339 states and 3566 transitions. [2024-10-24 13:41:43,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 13:41:43,598 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (14), 4 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 87 [2024-10-24 13:41:43,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:41:43,639 INFO L225 Difference]: With dead ends: 2339 [2024-10-24 13:41:43,639 INFO L226 Difference]: Without dead ends: 1601 [2024-10-24 13:41:43,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-10-24 13:41:43,657 INFO L432 NwaCegarLoop]: 568 mSDtfsCounter, 2668 mSDsluCounter, 1463 mSDsCounter, 0 mSdLazyCounter, 1806 mSolverCounterSat, 1937 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2770 SdHoareTripleChecker+Valid, 2031 SdHoareTripleChecker+Invalid, 3743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1937 IncrementalHoareTripleChecker+Valid, 1806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-10-24 13:41:43,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2770 Valid, 2031 Invalid, 3743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1937 Valid, 1806 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2024-10-24 13:41:43,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2024-10-24 13:41:43,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 1393. [2024-10-24 13:41:43,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1393 states, 943 states have (on average 1.378579003181336) internal successors, (1300), 959 states have internal predecessors, (1300), 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) [2024-10-24 13:41:43,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1989 transitions. [2024-10-24 13:41:43,878 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1989 transitions. Word has length 87 [2024-10-24 13:41:43,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:41:43,879 INFO L471 AbstractCegarLoop]: Abstraction has 1393 states and 1989 transitions. [2024-10-24 13:41:43,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-24 13:41:43,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1989 transitions. [2024-10-24 13:41:43,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-24 13:41:43,891 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:41:43,891 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] [2024-10-24 13:41:43,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 13:41:43,892 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:41:43,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:41:43,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1006301823, now seen corresponding path program 1 times [2024-10-24 13:41:43,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:41:43,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462218107] [2024-10-24 13:41:43,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:41:43,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:41:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:44,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:41:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:44,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:41:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:44,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:41:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:44,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:41:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:44,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:41:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:44,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 13:41:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:44,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:41:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:44,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:41:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:44,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 13:41:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:44,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:41:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:44,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:41:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:44,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 13:41:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:44,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:41:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:44,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 13:41:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:44,426 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-24 13:41:44,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:41:44,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462218107] [2024-10-24 13:41:44,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462218107] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:41:44,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:41:44,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 13:41:44,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889872029] [2024-10-24 13:41:44,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:41:44,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 13:41:44,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:41:44,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 13:41:44,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:41:44,433 INFO L87 Difference]: Start difference. First operand 1393 states and 1989 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-10-24 13:41:48,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:41:51,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:41:51,531 INFO L93 Difference]: Finished difference Result 2968 states and 4306 transitions. [2024-10-24 13:41:51,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 13:41:51,531 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 4 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 98 [2024-10-24 13:41:51,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:41:51,545 INFO L225 Difference]: With dead ends: 2968 [2024-10-24 13:41:51,545 INFO L226 Difference]: Without dead ends: 1608 [2024-10-24 13:41:51,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-10-24 13:41:51,553 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 1792 mSDsluCounter, 1456 mSDsCounter, 0 mSdLazyCounter, 1813 mSolverCounterSat, 1081 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1921 SdHoareTripleChecker+Valid, 2018 SdHoareTripleChecker+Invalid, 2894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1081 IncrementalHoareTripleChecker+Valid, 1813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-10-24 13:41:51,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1921 Valid, 2018 Invalid, 2894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1081 Valid, 1813 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2024-10-24 13:41:51,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2024-10-24 13:41:51,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1395. [2024-10-24 13:41:51,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1395 states, 945 states have (on average 1.3767195767195768) internal successors, (1301), 961 states have internal predecessors, (1301), 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) [2024-10-24 13:41:51,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 1990 transitions. [2024-10-24 13:41:51,721 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 1990 transitions. Word has length 98 [2024-10-24 13:41:51,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:41:51,722 INFO L471 AbstractCegarLoop]: Abstraction has 1395 states and 1990 transitions. [2024-10-24 13:41:51,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-10-24 13:41:51,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1990 transitions. [2024-10-24 13:41:51,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-24 13:41:51,726 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:41:51,726 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] [2024-10-24 13:41:51,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 13:41:51,727 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:41:51,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:41:51,727 INFO L85 PathProgramCache]: Analyzing trace with hash 797252723, now seen corresponding path program 1 times [2024-10-24 13:41:51,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:41:51,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052151958] [2024-10-24 13:41:51,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:41:51,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:41:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:52,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:41:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:52,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:41:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:52,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:41:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:52,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:41:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:52,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:41:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:52,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 13:41:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:52,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:41:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:52,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:41:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:52,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 13:41:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:52,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:41:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:52,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:41:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:52,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 13:41:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:52,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:41:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:52,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 13:41:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:52,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 13:41:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:41:52,319 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-24 13:41:52,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:41:52,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052151958] [2024-10-24 13:41:52,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052151958] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:41:52,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:41:52,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 13:41:52,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860496616] [2024-10-24 13:41:52,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:41:52,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 13:41:52,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:41:52,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 13:41:52,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:41:52,325 INFO L87 Difference]: Start difference. First operand 1395 states and 1990 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-24 13:41:53,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:42:00,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:42:00,199 INFO L93 Difference]: Finished difference Result 4528 states and 6635 transitions. [2024-10-24 13:42:00,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:42:00,200 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (16), 5 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 102 [2024-10-24 13:42:00,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:42:00,222 INFO L225 Difference]: With dead ends: 4528 [2024-10-24 13:42:00,222 INFO L226 Difference]: Without dead ends: 3164 [2024-10-24 13:42:00,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-10-24 13:42:00,231 INFO L432 NwaCegarLoop]: 567 mSDtfsCounter, 2655 mSDsluCounter, 1905 mSDsCounter, 0 mSdLazyCounter, 2475 mSolverCounterSat, 1876 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2774 SdHoareTripleChecker+Valid, 2472 SdHoareTripleChecker+Invalid, 4351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1876 IncrementalHoareTripleChecker+Valid, 2475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2024-10-24 13:42:00,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2774 Valid, 2472 Invalid, 4351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1876 Valid, 2475 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2024-10-24 13:42:00,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3164 states. [2024-10-24 13:42:00,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3164 to 2764. [2024-10-24 13:42:00,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2764 states, 1873 states have (on average 1.3769353977576082) internal successors, (2579), 1907 states have internal predecessors, (2579), 680 states have call successors, (680), 207 states have call predecessors, (680), 210 states have return successors, (713), 679 states have call predecessors, (713), 679 states have call successors, (713) [2024-10-24 13:42:00,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2764 states and 3972 transitions. [2024-10-24 13:42:00,502 INFO L78 Accepts]: Start accepts. Automaton has 2764 states and 3972 transitions. Word has length 102 [2024-10-24 13:42:00,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:42:00,503 INFO L471 AbstractCegarLoop]: Abstraction has 2764 states and 3972 transitions. [2024-10-24 13:42:00,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-24 13:42:00,504 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 3972 transitions. [2024-10-24 13:42:00,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-24 13:42:00,516 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:42:00,517 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 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] [2024-10-24 13:42:00,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 13:42:00,517 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:42:00,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:42:00,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1590860957, now seen corresponding path program 1 times [2024-10-24 13:42:00,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:42:00,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848868002] [2024-10-24 13:42:00,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:42:00,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:42:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:00,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:00,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:42:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:00,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:42:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:00,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:42:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:00,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:42:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:00,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 13:42:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:00,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:42:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:00,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:42:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:00,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 13:42:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:00,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:42:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:00,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:42:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:00,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 13:42:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:00,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:42:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:00,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 13:42:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:00,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 13:42:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:01,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:01,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:01,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:42:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:01,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 13:42:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:01,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 13:42:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:01,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:01,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:01,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:42:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:01,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 13:42:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:01,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 13:42:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:01,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:01,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 13:42:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:01,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:01,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:01,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 13:42:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:01,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:01,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:42:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:01,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:42:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:01,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 13:42:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:01,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 13:42:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:01,276 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-10-24 13:42:01,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:42:01,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848868002] [2024-10-24 13:42:01,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848868002] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:42:01,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:42:01,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 13:42:01,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701708127] [2024-10-24 13:42:01,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:42:01,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 13:42:01,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:42:01,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 13:42:01,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-24 13:42:01,279 INFO L87 Difference]: Start difference. First operand 2764 states and 3972 transitions. Second operand has 10 states, 10 states have (on average 8.8) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (32), 9 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 13:42:02,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:42:10,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:42:10,982 INFO L93 Difference]: Finished difference Result 8336 states and 12172 transitions. [2024-10-24 13:42:10,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 13:42:10,983 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (32), 9 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 210 [2024-10-24 13:42:10,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:42:11,019 INFO L225 Difference]: With dead ends: 8336 [2024-10-24 13:42:11,020 INFO L226 Difference]: Without dead ends: 5605 [2024-10-24 13:42:11,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2024-10-24 13:42:11,034 INFO L432 NwaCegarLoop]: 581 mSDtfsCounter, 3076 mSDsluCounter, 2449 mSDsCounter, 0 mSdLazyCounter, 2921 mSolverCounterSat, 2289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3149 SdHoareTripleChecker+Valid, 3030 SdHoareTripleChecker+Invalid, 5210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2289 IncrementalHoareTripleChecker+Valid, 2921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2024-10-24 13:42:11,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3149 Valid, 3030 Invalid, 5210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2289 Valid, 2921 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2024-10-24 13:42:11,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5605 states. [2024-10-24 13:42:11,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5605 to 4646. [2024-10-24 13:42:11,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4646 states, 3119 states have (on average 1.3747996152613018) internal successors, (4288), 3187 states have internal predecessors, (4288), 1128 states have call successors, (1128), 375 states have call predecessors, (1128), 398 states have return successors, (1207), 1139 states have call predecessors, (1207), 1127 states have call successors, (1207) [2024-10-24 13:42:11,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4646 states to 4646 states and 6623 transitions. [2024-10-24 13:42:11,437 INFO L78 Accepts]: Start accepts. Automaton has 4646 states and 6623 transitions. Word has length 210 [2024-10-24 13:42:11,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:42:11,438 INFO L471 AbstractCegarLoop]: Abstraction has 4646 states and 6623 transitions. [2024-10-24 13:42:11,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (32), 9 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 13:42:11,439 INFO L276 IsEmpty]: Start isEmpty. Operand 4646 states and 6623 transitions. [2024-10-24 13:42:11,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-24 13:42:11,451 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:42:11,451 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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] [2024-10-24 13:42:11,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 13:42:11,451 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:42:11,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:42:11,452 INFO L85 PathProgramCache]: Analyzing trace with hash 2012669381, now seen corresponding path program 1 times [2024-10-24 13:42:11,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:42:11,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699550318] [2024-10-24 13:42:11,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:42:11,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:42:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:11,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:11,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:42:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:11,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:42:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:11,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:42:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:11,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:42:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:11,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 13:42:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:11,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:42:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:11,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:42:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:11,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 13:42:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:11,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:42:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:11,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:42:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:11,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 13:42:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:11,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:42:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:11,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 13:42:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:11,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:11,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:42:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:11,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:11,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:11,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:42:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:12,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 13:42:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:12,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 13:42:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:12,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:12,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:42:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:12,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:12,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:12,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-24 13:42:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:12,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:12,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:42:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:12,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:42:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:12,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 13:42:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:12,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 13:42:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:12,167 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-10-24 13:42:12,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:42:12,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699550318] [2024-10-24 13:42:12,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699550318] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:42:12,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:42:12,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 13:42:12,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899583288] [2024-10-24 13:42:12,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:42:12,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 13:42:12,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:42:12,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 13:42:12,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-24 13:42:12,171 INFO L87 Difference]: Start difference. First operand 4646 states and 6623 transitions. Second operand has 11 states, 11 states have (on average 9.0) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (32), 9 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 13:42:14,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:42:21,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:42:21,905 INFO L93 Difference]: Finished difference Result 12174 states and 17727 transitions. [2024-10-24 13:42:21,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 13:42:21,905 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.0) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (32), 9 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 201 [2024-10-24 13:42:21,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:42:21,956 INFO L225 Difference]: With dead ends: 12174 [2024-10-24 13:42:21,956 INFO L226 Difference]: Without dead ends: 7561 [2024-10-24 13:42:21,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=180, Invalid=420, Unknown=0, NotChecked=0, Total=600 [2024-10-24 13:42:21,977 INFO L432 NwaCegarLoop]: 572 mSDtfsCounter, 2620 mSDsluCounter, 2494 mSDsCounter, 0 mSdLazyCounter, 3629 mSolverCounterSat, 2032 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2711 SdHoareTripleChecker+Valid, 3066 SdHoareTripleChecker+Invalid, 5661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2032 IncrementalHoareTripleChecker+Valid, 3629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2024-10-24 13:42:21,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2711 Valid, 3066 Invalid, 5661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2032 Valid, 3629 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2024-10-24 13:42:21,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7561 states. [2024-10-24 13:42:22,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7561 to 6344. [2024-10-24 13:42:22,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6344 states, 4274 states have (on average 1.365231633130557) internal successors, (5835), 4380 states have internal predecessors, (5835), 1519 states have call successors, (1519), 517 states have call predecessors, (1519), 550 states have return successors, (1626), 1534 states have call predecessors, (1626), 1518 states have call successors, (1626) [2024-10-24 13:42:22,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6344 states to 6344 states and 8980 transitions. [2024-10-24 13:42:22,551 INFO L78 Accepts]: Start accepts. Automaton has 6344 states and 8980 transitions. Word has length 201 [2024-10-24 13:42:22,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:42:22,552 INFO L471 AbstractCegarLoop]: Abstraction has 6344 states and 8980 transitions. [2024-10-24 13:42:22,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.0) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (32), 9 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 13:42:22,553 INFO L276 IsEmpty]: Start isEmpty. Operand 6344 states and 8980 transitions. [2024-10-24 13:42:22,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-10-24 13:42:22,568 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:42:22,568 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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] [2024-10-24 13:42:22,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 13:42:22,568 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:42:22,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:42:22,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1559013484, now seen corresponding path program 1 times [2024-10-24 13:42:22,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:42:22,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890273167] [2024-10-24 13:42:22,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:42:22,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:42:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:22,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:22,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:42:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:22,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:42:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:22,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:42:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:22,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:42:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:22,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 13:42:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:22,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:42:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:22,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:42:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:22,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 13:42:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:22,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:42:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:22,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:42:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 13:42:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:42:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 13:42:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 13:42:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 13:42:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 13:42:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:42:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 13:42:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 13:42:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:42:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 13:42:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 13:42:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:42:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:42:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:42:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:42:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:23,353 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2024-10-24 13:42:23,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:42:23,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890273167] [2024-10-24 13:42:23,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890273167] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:42:23,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:42:23,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 13:42:23,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419242734] [2024-10-24 13:42:23,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:42:23,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 13:42:23,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:42:23,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 13:42:23,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-24 13:42:23,356 INFO L87 Difference]: Start difference. First operand 6344 states and 8980 transitions. Second operand has 10 states, 10 states have (on average 9.8) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (32), 9 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-24 13:42:27,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:42:33,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:42:33,965 INFO L93 Difference]: Finished difference Result 16924 states and 24382 transitions. [2024-10-24 13:42:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 13:42:33,966 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.8) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (32), 9 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 223 [2024-10-24 13:42:33,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:42:34,027 INFO L225 Difference]: With dead ends: 16924 [2024-10-24 13:42:34,027 INFO L226 Difference]: Without dead ends: 10623 [2024-10-24 13:42:34,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2024-10-24 13:42:34,054 INFO L432 NwaCegarLoop]: 575 mSDtfsCounter, 4072 mSDsluCounter, 1977 mSDsCounter, 0 mSdLazyCounter, 2517 mSolverCounterSat, 2933 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4165 SdHoareTripleChecker+Valid, 2552 SdHoareTripleChecker+Invalid, 5450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2933 IncrementalHoareTripleChecker+Valid, 2517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2024-10-24 13:42:34,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4165 Valid, 2552 Invalid, 5450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2933 Valid, 2517 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2024-10-24 13:42:34,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10623 states. [2024-10-24 13:42:34,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10623 to 8756. [2024-10-24 13:42:34,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8756 states, 5904 states have (on average 1.3609417344173442) internal successors, (8035), 6044 states have internal predecessors, (8035), 2047 states have call successors, (2047), 759 states have call predecessors, (2047), 804 states have return successors, (2190), 2068 states have call predecessors, (2190), 2046 states have call successors, (2190) [2024-10-24 13:42:34,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8756 states to 8756 states and 12272 transitions. [2024-10-24 13:42:34,816 INFO L78 Accepts]: Start accepts. Automaton has 8756 states and 12272 transitions. Word has length 223 [2024-10-24 13:42:34,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:42:34,817 INFO L471 AbstractCegarLoop]: Abstraction has 8756 states and 12272 transitions. [2024-10-24 13:42:34,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.8) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (32), 9 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-24 13:42:34,817 INFO L276 IsEmpty]: Start isEmpty. Operand 8756 states and 12272 transitions. [2024-10-24 13:42:34,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-24 13:42:34,832 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:42:34,832 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:42:34,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 13:42:34,832 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:42:34,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:42:34,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1518702969, now seen corresponding path program 1 times [2024-10-24 13:42:34,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:42:34,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950162693] [2024-10-24 13:42:34,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:42:34,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:42:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 13:42:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 13:42:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 13:42:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 13:42:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 13:42:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:42:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:42:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 13:42:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 13:42:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:42:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 13:42:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 13:42:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 13:42:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 13:42:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 13:42:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:42:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:42:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 13:42:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 13:42:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 13:42:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 13:42:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:42:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:42:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 13:42:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:42:35,457 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-10-24 13:42:35,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:42:35,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950162693] [2024-10-24 13:42:35,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950162693] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:42:35,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:42:35,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 13:42:35,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998752593] [2024-10-24 13:42:35,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:42:35,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 13:42:35,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:42:35,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 13:42:35,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-24 13:42:35,460 INFO L87 Difference]: Start difference. First operand 8756 states and 12272 transitions. Second operand has 10 states, 10 states have (on average 10.5) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (32), 9 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31)