./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.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 4de76b02991c4f8780142b48e1370b1ba073d7148b74e77b2c83d6f21359d59e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 03:48:52,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:48:52,413 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:48:52,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:48:52,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:48:52,456 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:48:52,457 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:48:52,457 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:48:52,458 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:48:52,459 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:48:52,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:48:52,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:48:52,461 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:48:52,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:48:52,468 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:48:52,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:48:52,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:48:52,469 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:48:52,470 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:48:52,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:48:52,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:48:52,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:48:52,475 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:48:52,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:48:52,476 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:48:52,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:48:52,477 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:48:52,477 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:48:52,478 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:48:52,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:48:52,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:48:52,479 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:48:52,479 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:48:52,480 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:48:52,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:48:52,480 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:48:52,481 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:48:52,481 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:48:52,481 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:48:52,482 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4de76b02991c4f8780142b48e1370b1ba073d7148b74e77b2c83d6f21359d59e [2024-11-19 03:48:52,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:48:52,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:48:52,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:48:52,822 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:48:52,823 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:48:52,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2024-11-19 03:48:54,431 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:48:54,910 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:48:54,911 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2024-11-19 03:48:54,950 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0e162134/4f1c1412e8814e9eaba6836788e82123/FLAGc5a9843bb [2024-11-19 03:48:54,965 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0e162134/4f1c1412e8814e9eaba6836788e82123 [2024-11-19 03:48:54,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:48:54,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:48:54,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:48:54,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:48:54,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:48:54,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:48:54" (1/1) ... [2024-11-19 03:48:54,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30cb646d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:48:54, skipping insertion in model container [2024-11-19 03:48:54,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:48:54" (1/1) ... [2024-11-19 03:48:55,094 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:48:56,919 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i[185536,185549] [2024-11-19 03:48:57,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:48:57,269 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:48:57,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3542] [2024-11-19 03:48:57,365 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3549] [2024-11-19 03:48:57,365 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3557-3558] [2024-11-19 03:48:57,636 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i[185536,185549] [2024-11-19 03:48:57,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:48:57,761 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:48:57,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:48:57 WrapperNode [2024-11-19 03:48:57,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:48:57,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:48:57,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:48:57,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:48:57,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:48:57" (1/1) ... [2024-11-19 03:48:57,844 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:48:57" (1/1) ... [2024-11-19 03:48:57,968 INFO L138 Inliner]: procedures = 282, calls = 1556, calls flagged for inlining = 103, calls inlined = 86, statements flattened = 2929 [2024-11-19 03:48:57,969 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:48:57,969 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:48:57,969 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:48:57,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:48:57,981 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:48:57" (1/1) ... [2024-11-19 03:48:57,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:48:57" (1/1) ... [2024-11-19 03:48:58,016 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:48:57" (1/1) ... [2024-11-19 03:48:58,439 INFO L175 MemorySlicer]: Split 590 memory accesses to 22 slices as follows [2, 8, 10, 49, 8, 8, 2, 8, 8, 8, 8, 4, 12, 8, 56, 29, 22, 8, 4, 45, 276, 7]. 47 percent of accesses are in the largest equivalence class. The 180 initializations are split as follows [2, 8, 10, 0, 8, 8, 0, 8, 8, 8, 8, 0, 0, 8, 56, 0, 0, 8, 4, 0, 36, 0]. The 236 writes are split as follows [0, 0, 0, 42, 0, 0, 1, 0, 0, 0, 0, 1, 2, 0, 0, 29, 22, 0, 0, 45, 88, 6]. [2024-11-19 03:48:58,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:48:57" (1/1) ... [2024-11-19 03:48:58,440 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:48:57" (1/1) ... [2024-11-19 03:48:58,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:48:57" (1/1) ... [2024-11-19 03:48:58,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:48:57" (1/1) ... [2024-11-19 03:48:58,636 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:48:57" (1/1) ... [2024-11-19 03:48:58,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:48:57" (1/1) ... [2024-11-19 03:48:58,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:48:58,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:48:58,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:48:58,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:48:58,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:48:57" (1/1) ... [2024-11-19 03:48:58,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:48:58,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:48:58,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 03:48:58,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 03:48:58,791 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-11-19 03:48:58,792 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-11-19 03:48:58,792 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2024-11-19 03:48:58,792 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2024-11-19 03:48:58,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:48:58,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:48:58,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:48:58,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:48:58,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:48:58,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:48:58,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 03:48:58,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 03:48:58,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 03:48:58,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 03:48:58,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 03:48:58,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 03:48:58,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 03:48:58,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-19 03:48:58,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-19 03:48:58,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-19 03:48:58,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-19 03:48:58,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-19 03:48:58,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-19 03:48:58,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-19 03:48:58,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-19 03:48:58,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-19 03:48:58,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 03:48:58,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 03:48:58,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-19 03:48:58,797 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-19 03:48:58,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wdm_mutex [2024-11-19 03:48:58,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wdm_mutex [2024-11-19 03:48:58,798 INFO L130 BoogieDeclarations]: Found specification of procedure recover_from_urb_loss [2024-11-19 03:48:58,798 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_from_urb_loss [2024-11-19 03:48:58,798 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2024-11-19 03:48:58,798 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2024-11-19 03:48:58,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:48:58,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:48:58,798 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-11-19 03:48:58,799 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-11-19 03:48:58,799 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2024-11-19 03:48:58,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2024-11-19 03:48:58,799 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2024-11-19 03:48:58,799 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2024-11-19 03:48:58,799 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_create [2024-11-19 03:48:58,799 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_create [2024-11-19 03:48:58,799 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-19 03:48:58,799 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-19 03:48:58,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 03:48:58,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 03:48:58,800 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_poll [2024-11-19 03:48:58,800 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_poll [2024-11-19 03:48:58,800 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-19 03:48:58,800 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-19 03:48:58,800 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 03:48:58,800 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 03:48:58,800 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-19 03:48:58,800 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-19 03:48:58,800 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-19 03:48:58,800 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-19 03:48:58,800 INFO L130 BoogieDeclarations]: Found specification of procedure clear_wdm_read_flag [2024-11-19 03:48:58,800 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_wdm_read_flag [2024-11-19 03:48:58,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_39 [2024-11-19 03:48:58,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_39 [2024-11-19 03:48:58,801 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_write [2024-11-19 03:48:58,801 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_write [2024-11-19 03:48:58,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:48:58,801 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-19 03:48:58,801 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-19 03:48:58,801 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_ioctl [2024-11-19 03:48:58,801 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_ioctl [2024-11-19 03:48:58,801 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_disconnect [2024-11-19 03:48:58,801 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_disconnect [2024-11-19 03:48:58,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:48:58,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:48:58,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:48:58,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:48:58,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:48:58,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:48:58,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 03:48:58,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 03:48:58,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 03:48:58,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 03:48:58,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 03:48:58,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 03:48:58,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 03:48:58,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 03:48:58,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 03:48:58,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-19 03:48:58,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-19 03:48:58,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-19 03:48:58,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-19 03:48:58,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-19 03:48:58,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-19 03:48:58,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-19 03:48:58,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rlock_of_wdm_device [2024-11-19 03:48:58,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rlock_of_wdm_device [2024-11-19 03:48:58,808 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-19 03:48:58,808 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-19 03:48:58,808 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-11-19 03:48:58,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-11-19 03:48:58,808 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_rxwork [2024-11-19 03:48:58,808 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_rxwork [2024-11-19 03:48:58,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:48:58,809 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2024-11-19 03:48:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2024-11-19 03:48:58,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 03:48:58,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 03:48:58,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 03:48:58,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 03:48:58,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 03:48:58,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 03:48:58,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 03:48:58,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 03:48:58,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 03:48:58,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 03:48:58,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 03:48:58,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-19 03:48:58,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-19 03:48:58,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-19 03:48:58,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-19 03:48:58,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-19 03:48:58,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-19 03:48:58,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-19 03:48:58,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-19 03:48:58,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-19 03:48:58,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-19 03:48:58,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-19 03:48:58,811 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-19 03:48:58,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-19 03:48:58,811 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2024-11-19 03:48:58,811 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2024-11-19 03:48:58,811 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-19 03:48:58,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-19 03:48:58,812 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-19 03:48:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-19 03:48:58,812 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-19 03:48:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-19 03:48:58,812 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-11-19 03:48:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-11-19 03:48:58,812 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-19 03:48:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-19 03:48:58,812 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-19 03:48:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-19 03:48:58,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wdm_mutex [2024-11-19 03:48:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wdm_mutex [2024-11-19 03:48:58,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wlock_of_wdm_device [2024-11-19 03:48:58,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wlock_of_wdm_device [2024-11-19 03:48:58,813 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-19 03:48:58,813 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-19 03:48:58,813 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2024-11-19 03:48:58,813 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2024-11-19 03:48:58,813 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-11-19 03:48:58,813 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-11-19 03:48:58,815 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_flush [2024-11-19 03:48:58,815 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_flush [2024-11-19 03:48:58,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wlock_of_wdm_device [2024-11-19 03:48:58,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wlock_of_wdm_device [2024-11-19 03:48:58,815 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2024-11-19 03:48:58,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2024-11-19 03:48:58,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:48:58,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:48:58,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:48:58,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:48:58,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:48:58,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:48:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 03:48:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 03:48:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 03:48:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 03:48:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 03:48:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 03:48:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 03:48:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-19 03:48:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-19 03:48:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-19 03:48:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-19 03:48:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-19 03:48:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-19 03:48:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-19 03:48:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-19 03:48:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-19 03:48:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2024-11-19 03:48:58,819 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2024-11-19 03:48:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:48:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:48:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:48:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:48:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:48:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:48:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 03:48:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 03:48:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 03:48:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 03:48:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 03:48:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 03:48:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 03:48:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 03:48:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 03:48:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-19 03:48:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-19 03:48:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-19 03:48:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-19 03:48:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-19 03:48:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-19 03:48:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-19 03:48:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-19 03:48:58,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-19 03:48:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-19 03:48:58,821 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-19 03:48:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-19 03:48:58,822 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-19 03:48:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure kill_urbs [2024-11-19 03:48:58,823 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_urbs [2024-11-19 03:48:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2024-11-19 03:48:58,823 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2024-11-19 03:48:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 03:48:58,823 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 03:48:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:48:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:48:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:48:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:48:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:48:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:48:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 03:48:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 03:48:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 03:48:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 03:48:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 03:48:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 03:48:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 03:48:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 03:48:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 03:48:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-19 03:48:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-19 03:48:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-19 03:48:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-19 03:48:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-19 03:48:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-19 03:48:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-19 03:48:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-19 03:48:58,826 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-19 03:48:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-19 03:48:58,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-19 03:48:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-19 03:48:58,826 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-19 03:48:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 03:48:58,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 03:48:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-19 03:48:58,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-19 03:48:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_resume [2024-11-19 03:48:58,827 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_resume [2024-11-19 03:48:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:48:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-19 03:48:58,827 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-19 03:48:58,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-19 03:48:58,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-19 03:48:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:48:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-19 03:48:58,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-19 03:48:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:48:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:48:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:48:58,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:48:58,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:48:58,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:48:58,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 03:48:58,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 03:48:58,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 03:48:58,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 03:48:58,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 03:48:58,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 03:48:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 03:48:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 03:48:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 03:48:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-19 03:48:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-19 03:48:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-19 03:48:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-19 03:48:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-19 03:48:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-19 03:48:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-19 03:48:58,830 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-19 03:48:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-19 03:48:58,831 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-19 03:48:58,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-19 03:48:58,831 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-19 03:48:58,831 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-19 03:48:58,831 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-19 03:48:58,831 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-19 03:48:58,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rlock_of_wdm_device [2024-11-19 03:48:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rlock_of_wdm_device [2024-11-19 03:48:58,833 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-11-19 03:48:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-11-19 03:48:58,833 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_find_device [2024-11-19 03:48:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_find_device [2024-11-19 03:48:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-19 03:48:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-19 03:48:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-19 03:48:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-19 03:48:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:48:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:48:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:48:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:48:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:48:58,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:48:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 03:48:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 03:48:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 03:48:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 03:48:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 03:48:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 03:48:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 03:48:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 03:48:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 03:48:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-19 03:48:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-19 03:48:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-19 03:48:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-19 03:48:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-19 03:48:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-19 03:48:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-19 03:48:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2024-11-19 03:48:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2024-11-19 03:48:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2024-11-19 03:48:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2024-11-19 03:48:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:48:58,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:48:59,435 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:48:59,439 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:48:59,491 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 03:49:08,896 INFO L? ?]: Removed 1120 outVars from TransFormulas that were not future-live. [2024-11-19 03:49:08,897 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:49:08,945 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:49:08,948 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 03:49:08,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:49:08 BoogieIcfgContainer [2024-11-19 03:49:08,949 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:49:08,951 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:49:08,951 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:49:08,956 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:49:08,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:48:54" (1/3) ... [2024-11-19 03:49:08,958 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d125d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:49:08, skipping insertion in model container [2024-11-19 03:49:08,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:48:57" (2/3) ... [2024-11-19 03:49:08,959 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d125d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:49:08, skipping insertion in model container [2024-11-19 03:49:08,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:49:08" (3/3) ... [2024-11-19 03:49:08,960 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2024-11-19 03:49:08,981 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:49:08,982 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:49:09,113 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:49:09,120 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;@c7d6ff6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:49:09,122 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:49:09,134 INFO L276 IsEmpty]: Start isEmpty. Operand has 1142 states, 752 states have (on average 1.3058510638297873) internal successors, (982), 787 states have internal predecessors, (982), 316 states have call successors, (316), 73 states have call predecessors, (316), 72 states have return successors, (311), 310 states have call predecessors, (311), 311 states have call successors, (311) [2024-11-19 03:49:09,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-19 03:49:09,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:49:09,160 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:49:09,161 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:49:09,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:49:09,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1119708954, now seen corresponding path program 1 times [2024-11-19 03:49:09,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:49:09,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907883047] [2024-11-19 03:49:09,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:49:09,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:49:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:49:11,499 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-11-19 03:49:11,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:49:11,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907883047] [2024-11-19 03:49:11,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907883047] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:49:11,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235835888] [2024-11-19 03:49:11,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:49:11,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:49:11,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:49:11,505 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:49:11,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 03:49:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:49:13,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 3146 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 03:49:13,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:49:13,907 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 03:49:13,907 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:49:13,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235835888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:49:13,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:49:13,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 03:49:13,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716610] [2024-11-19 03:49:13,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:49:13,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 03:49:13,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:49:13,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 03:49:13,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 03:49:13,951 INFO L87 Difference]: Start difference. First operand has 1142 states, 752 states have (on average 1.3058510638297873) internal successors, (982), 787 states have internal predecessors, (982), 316 states have call successors, (316), 73 states have call predecessors, (316), 72 states have return successors, (311), 310 states have call predecessors, (311), 311 states have call successors, (311) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-19 03:49:14,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:49:14,132 INFO L93 Difference]: Finished difference Result 2279 states and 3265 transitions. [2024-11-19 03:49:14,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 03:49:14,134 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 192 [2024-11-19 03:49:14,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:49:14,166 INFO L225 Difference]: With dead ends: 2279 [2024-11-19 03:49:14,167 INFO L226 Difference]: Without dead ends: 1130 [2024-11-19 03:49:14,180 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 03:49:14,187 INFO L432 NwaCegarLoop]: 1587 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:49:14,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1587 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:49:14,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2024-11-19 03:49:14,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1130. [2024-11-19 03:49:14,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1130 states, 747 states have (on average 1.2904953145917002) internal successors, (964), 775 states have internal predecessors, (964), 311 states have call successors, (311), 72 states have call predecessors, (311), 71 states have return successors, (297), 296 states have call predecessors, (297), 297 states have call successors, (297) [2024-11-19 03:49:14,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 1130 states and 1572 transitions. [2024-11-19 03:49:14,360 INFO L78 Accepts]: Start accepts. Automaton has 1130 states and 1572 transitions. Word has length 192 [2024-11-19 03:49:14,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:49:14,362 INFO L471 AbstractCegarLoop]: Abstraction has 1130 states and 1572 transitions. [2024-11-19 03:49:14,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-19 03:49:14,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1572 transitions. [2024-11-19 03:49:14,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-19 03:49:14,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:49:14,370 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:49:14,402 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 03:49:14,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 03:49:14,572 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:49:14,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:49:14,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1688665612, now seen corresponding path program 1 times [2024-11-19 03:49:14,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:49:14,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803466278] [2024-11-19 03:49:14,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:49:14,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:49:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:49:16,417 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-11-19 03:49:16,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:49:16,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803466278] [2024-11-19 03:49:16,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803466278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:49:16,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:49:16,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:49:16,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815116882] [2024-11-19 03:49:16,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:49:16,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:49:16,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:49:16,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:49:16,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:49:16,426 INFO L87 Difference]: Start difference. First operand 1130 states and 1572 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-19 03:49:20,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:49:20,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:49:20,779 INFO L93 Difference]: Finished difference Result 3280 states and 4565 transitions. [2024-11-19 03:49:20,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:49:20,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 192 [2024-11-19 03:49:20,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:49:20,799 INFO L225 Difference]: With dead ends: 3280 [2024-11-19 03:49:20,799 INFO L226 Difference]: Without dead ends: 2191 [2024-11-19 03:49:20,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:49:20,807 INFO L432 NwaCegarLoop]: 1582 mSDtfsCounter, 1477 mSDsluCounter, 1553 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1477 SdHoareTripleChecker+Valid, 3135 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:49:20,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1477 Valid, 3135 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-19 03:49:20,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2191 states. [2024-11-19 03:49:20,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2191 to 2181. [2024-11-19 03:49:20,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2181 states, 1450 states have (on average 1.2924137931034483) internal successors, (1874), 1493 states have internal predecessors, (1874), 589 states have call successors, (589), 142 states have call predecessors, (589), 141 states have return successors, (575), 573 states have call predecessors, (575), 575 states have call successors, (575) [2024-11-19 03:49:20,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 3038 transitions. [2024-11-19 03:49:20,944 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 3038 transitions. Word has length 192 [2024-11-19 03:49:20,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:49:20,947 INFO L471 AbstractCegarLoop]: Abstraction has 2181 states and 3038 transitions. [2024-11-19 03:49:20,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-19 03:49:20,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 3038 transitions. [2024-11-19 03:49:20,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-19 03:49:20,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:49:20,952 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:49:20,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:49:20,952 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:49:20,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:49:20,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1622213624, now seen corresponding path program 1 times [2024-11-19 03:49:20,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:49:20,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239462233] [2024-11-19 03:49:20,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:49:20,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:49:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:49:22,259 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-11-19 03:49:22,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:49:22,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239462233] [2024-11-19 03:49:22,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239462233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:49:22,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:49:22,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:49:22,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553854009] [2024-11-19 03:49:22,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:49:22,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:49:22,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:49:22,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:49:22,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:49:22,262 INFO L87 Difference]: Start difference. First operand 2181 states and 3038 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-19 03:49:22,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:49:22,801 INFO L93 Difference]: Finished difference Result 5507 states and 7581 transitions. [2024-11-19 03:49:22,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:49:22,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 195 [2024-11-19 03:49:22,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:49:22,825 INFO L225 Difference]: With dead ends: 5507 [2024-11-19 03:49:22,826 INFO L226 Difference]: Without dead ends: 3367 [2024-11-19 03:49:22,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:49:22,837 INFO L432 NwaCegarLoop]: 1601 mSDtfsCounter, 851 mSDsluCounter, 1476 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 851 SdHoareTripleChecker+Valid, 3077 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 03:49:22,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [851 Valid, 3077 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 03:49:22,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3367 states. [2024-11-19 03:49:22,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3367 to 3343. [2024-11-19 03:49:22,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3343 states, 2233 states have (on average 1.2807881773399015) internal successors, (2860), 2284 states have internal predecessors, (2860), 862 states have call successors, (862), 248 states have call predecessors, (862), 247 states have return successors, (848), 844 states have call predecessors, (848), 848 states have call successors, (848) [2024-11-19 03:49:22,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3343 states to 3343 states and 4570 transitions. [2024-11-19 03:49:22,997 INFO L78 Accepts]: Start accepts. Automaton has 3343 states and 4570 transitions. Word has length 195 [2024-11-19 03:49:23,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:49:23,001 INFO L471 AbstractCegarLoop]: Abstraction has 3343 states and 4570 transitions. [2024-11-19 03:49:23,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-19 03:49:23,003 INFO L276 IsEmpty]: Start isEmpty. Operand 3343 states and 4570 transitions. [2024-11-19 03:49:23,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-19 03:49:23,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:49:23,007 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:49:23,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:49:23,008 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:49:23,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:49:23,009 INFO L85 PathProgramCache]: Analyzing trace with hash -371793616, now seen corresponding path program 1 times [2024-11-19 03:49:23,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:49:23,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75300158] [2024-11-19 03:49:23,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:49:23,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:49:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:49:24,477 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-11-19 03:49:24,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:49:24,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75300158] [2024-11-19 03:49:24,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75300158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:49:24,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:49:24,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:49:24,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576407291] [2024-11-19 03:49:24,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:49:24,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:49:24,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:49:24,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:49:24,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:49:24,482 INFO L87 Difference]: Start difference. First operand 3343 states and 4570 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-19 03:49:24,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:49:24,860 INFO L93 Difference]: Finished difference Result 8306 states and 11339 transitions. [2024-11-19 03:49:24,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:49:24,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 216 [2024-11-19 03:49:24,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:49:24,899 INFO L225 Difference]: With dead ends: 8306 [2024-11-19 03:49:24,899 INFO L226 Difference]: Without dead ends: 5014 [2024-11-19 03:49:24,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:49:24,920 INFO L432 NwaCegarLoop]: 2148 mSDtfsCounter, 1062 mSDsluCounter, 1491 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1062 SdHoareTripleChecker+Valid, 3639 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:49:24,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1062 Valid, 3639 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:49:24,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5014 states. [2024-11-19 03:49:25,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5014 to 4987. [2024-11-19 03:49:25,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4987 states, 3356 states have (on average 1.285756853396901) internal successors, (4315), 3437 states have internal predecessors, (4315), 1250 states have call successors, (1250), 381 states have call predecessors, (1250), 380 states have return successors, (1236), 1228 states have call predecessors, (1236), 1236 states have call successors, (1236) [2024-11-19 03:49:25,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4987 states to 4987 states and 6801 transitions. [2024-11-19 03:49:25,170 INFO L78 Accepts]: Start accepts. Automaton has 4987 states and 6801 transitions. Word has length 216 [2024-11-19 03:49:25,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:49:25,171 INFO L471 AbstractCegarLoop]: Abstraction has 4987 states and 6801 transitions. [2024-11-19 03:49:25,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-19 03:49:25,172 INFO L276 IsEmpty]: Start isEmpty. Operand 4987 states and 6801 transitions. [2024-11-19 03:49:25,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-19 03:49:25,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:49:25,177 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:49:25,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:49:25,177 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:49:25,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:49:25,178 INFO L85 PathProgramCache]: Analyzing trace with hash 637163030, now seen corresponding path program 1 times [2024-11-19 03:49:25,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:49:25,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473450704] [2024-11-19 03:49:25,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:49:25,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:49:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:49:26,847 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-11-19 03:49:26,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:49:26,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473450704] [2024-11-19 03:49:26,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473450704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:49:26,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:49:26,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:49:26,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545537480] [2024-11-19 03:49:26,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:49:26,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:49:26,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:49:26,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:49:26,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:49:26,850 INFO L87 Difference]: Start difference. First operand 4987 states and 6801 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-19 03:49:26,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:49:26,990 INFO L93 Difference]: Finished difference Result 4989 states and 6802 transitions. [2024-11-19 03:49:26,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:49:26,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 212 [2024-11-19 03:49:26,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:49:27,026 INFO L225 Difference]: With dead ends: 4989 [2024-11-19 03:49:27,026 INFO L226 Difference]: Without dead ends: 4986 [2024-11-19 03:49:27,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:49:27,033 INFO L432 NwaCegarLoop]: 1569 mSDtfsCounter, 1518 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1518 SdHoareTripleChecker+Valid, 1569 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:49:27,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1518 Valid, 1569 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:49:27,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4986 states. [2024-11-19 03:49:27,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4986 to 4986. [2024-11-19 03:49:27,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4986 states, 3356 states have (on average 1.2854588796185935) internal successors, (4314), 3436 states have internal predecessors, (4314), 1249 states have call successors, (1249), 381 states have call predecessors, (1249), 380 states have return successors, (1236), 1228 states have call predecessors, (1236), 1236 states have call successors, (1236) [2024-11-19 03:49:27,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4986 states to 4986 states and 6799 transitions. [2024-11-19 03:49:27,326 INFO L78 Accepts]: Start accepts. Automaton has 4986 states and 6799 transitions. Word has length 212 [2024-11-19 03:49:27,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:49:27,327 INFO L471 AbstractCegarLoop]: Abstraction has 4986 states and 6799 transitions. [2024-11-19 03:49:27,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-19 03:49:27,327 INFO L276 IsEmpty]: Start isEmpty. Operand 4986 states and 6799 transitions. [2024-11-19 03:49:27,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-19 03:49:27,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:49:27,334 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:49:27,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 03:49:27,334 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:49:27,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:49:27,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1723246949, now seen corresponding path program 1 times [2024-11-19 03:49:27,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:49:27,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135510043] [2024-11-19 03:49:27,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:49:27,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:49:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:49:29,112 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-11-19 03:49:29,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:49:29,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135510043] [2024-11-19 03:49:29,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135510043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:49:29,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:49:29,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:49:29,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103677585] [2024-11-19 03:49:29,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:49:29,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:49:29,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:49:29,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:49:29,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:49:29,114 INFO L87 Difference]: Start difference. First operand 4986 states and 6799 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-19 03:49:29,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:49:29,257 INFO L93 Difference]: Finished difference Result 4988 states and 6800 transitions. [2024-11-19 03:49:29,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:49:29,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 213 [2024-11-19 03:49:29,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:49:29,292 INFO L225 Difference]: With dead ends: 4988 [2024-11-19 03:49:29,293 INFO L226 Difference]: Without dead ends: 4985 [2024-11-19 03:49:29,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:49:29,299 INFO L432 NwaCegarLoop]: 1567 mSDtfsCounter, 1515 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1515 SdHoareTripleChecker+Valid, 1567 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:49:29,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1515 Valid, 1567 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:49:29,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4985 states. [2024-11-19 03:49:29,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4985 to 4985. [2024-11-19 03:49:29,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4985 states, 3356 states have (on average 1.285160905840286) internal successors, (4313), 3435 states have internal predecessors, (4313), 1248 states have call successors, (1248), 381 states have call predecessors, (1248), 380 states have return successors, (1236), 1228 states have call predecessors, (1236), 1236 states have call successors, (1236) [2024-11-19 03:49:29,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4985 states to 4985 states and 6797 transitions. [2024-11-19 03:49:29,573 INFO L78 Accepts]: Start accepts. Automaton has 4985 states and 6797 transitions. Word has length 213 [2024-11-19 03:49:29,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:49:29,576 INFO L471 AbstractCegarLoop]: Abstraction has 4985 states and 6797 transitions. [2024-11-19 03:49:29,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-19 03:49:29,577 INFO L276 IsEmpty]: Start isEmpty. Operand 4985 states and 6797 transitions. [2024-11-19 03:49:29,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-19 03:49:29,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:49:29,579 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:49:29,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 03:49:29,579 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:49:29,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:49:29,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1881507399, now seen corresponding path program 1 times [2024-11-19 03:49:29,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:49:29,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025915587] [2024-11-19 03:49:29,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:49:29,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:49:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:49:30,899 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-11-19 03:49:30,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:49:30,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025915587] [2024-11-19 03:49:30,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025915587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:49:30,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:49:30,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:49:30,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444077171] [2024-11-19 03:49:30,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:49:30,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:49:30,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:49:30,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:49:30,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:49:30,901 INFO L87 Difference]: Start difference. First operand 4985 states and 6797 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-19 03:49:31,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:49:31,083 INFO L93 Difference]: Finished difference Result 4987 states and 6798 transitions. [2024-11-19 03:49:31,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:49:31,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 214 [2024-11-19 03:49:31,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:49:31,127 INFO L225 Difference]: With dead ends: 4987 [2024-11-19 03:49:31,128 INFO L226 Difference]: Without dead ends: 4984 [2024-11-19 03:49:31,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:49:31,135 INFO L432 NwaCegarLoop]: 1565 mSDtfsCounter, 1512 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1512 SdHoareTripleChecker+Valid, 1565 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:49:31,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1512 Valid, 1565 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:49:31,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4984 states. [2024-11-19 03:49:31,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4984 to 4984. [2024-11-19 03:49:31,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4984 states, 3356 states have (on average 1.2848629320619784) internal successors, (4312), 3434 states have internal predecessors, (4312), 1247 states have call successors, (1247), 381 states have call predecessors, (1247), 380 states have return successors, (1236), 1228 states have call predecessors, (1236), 1236 states have call successors, (1236) [2024-11-19 03:49:31,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4984 states to 4984 states and 6795 transitions. [2024-11-19 03:49:31,428 INFO L78 Accepts]: Start accepts. Automaton has 4984 states and 6795 transitions. Word has length 214 [2024-11-19 03:49:31,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:49:31,429 INFO L471 AbstractCegarLoop]: Abstraction has 4984 states and 6795 transitions. [2024-11-19 03:49:31,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-19 03:49:31,430 INFO L276 IsEmpty]: Start isEmpty. Operand 4984 states and 6795 transitions. [2024-11-19 03:49:31,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-19 03:49:31,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:49:31,433 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:49:31,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 03:49:31,434 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:49:31,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:49:31,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1802358110, now seen corresponding path program 1 times [2024-11-19 03:49:31,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:49:31,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251203555] [2024-11-19 03:49:31,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:49:31,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:49:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:49:33,025 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-11-19 03:49:33,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:49:33,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251203555] [2024-11-19 03:49:33,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251203555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:49:33,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:49:33,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:49:33,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178205376] [2024-11-19 03:49:33,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:49:33,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:49:33,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:49:33,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:49:33,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:49:33,029 INFO L87 Difference]: Start difference. First operand 4984 states and 6795 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-19 03:49:33,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:49:33,805 INFO L93 Difference]: Finished difference Result 14589 states and 19897 transitions. [2024-11-19 03:49:33,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:49:33,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 215 [2024-11-19 03:49:33,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:49:33,903 INFO L225 Difference]: With dead ends: 14589 [2024-11-19 03:49:33,904 INFO L226 Difference]: Without dead ends: 9660 [2024-11-19 03:49:33,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:49:33,941 INFO L432 NwaCegarLoop]: 1945 mSDtfsCounter, 1467 mSDsluCounter, 1446 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1467 SdHoareTripleChecker+Valid, 3391 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:49:33,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1467 Valid, 3391 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:49:33,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9660 states. [2024-11-19 03:49:34,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9660 to 9624. [2024-11-19 03:49:34,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9624 states, 6522 states have (on average 1.2881018092609628) internal successors, (8401), 6682 states have internal predecessors, (8401), 2363 states have call successors, (2363), 748 states have call predecessors, (2363), 738 states have return successors, (2350), 2306 states have call predecessors, (2350), 2350 states have call successors, (2350) [2024-11-19 03:49:34,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9624 states to 9624 states and 13114 transitions. [2024-11-19 03:49:34,682 INFO L78 Accepts]: Start accepts. Automaton has 9624 states and 13114 transitions. Word has length 215 [2024-11-19 03:49:34,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:49:34,683 INFO L471 AbstractCegarLoop]: Abstraction has 9624 states and 13114 transitions. [2024-11-19 03:49:34,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-19 03:49:34,683 INFO L276 IsEmpty]: Start isEmpty. Operand 9624 states and 13114 transitions. [2024-11-19 03:49:34,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-19 03:49:34,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:49:34,686 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:49:34,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 03:49:34,686 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:49:34,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:49:34,687 INFO L85 PathProgramCache]: Analyzing trace with hash 38076764, now seen corresponding path program 1 times [2024-11-19 03:49:34,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:49:34,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083551398] [2024-11-19 03:49:34,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:49:34,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:49:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:49:36,178 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-11-19 03:49:36,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:49:36,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083551398] [2024-11-19 03:49:36,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083551398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:49:36,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:49:36,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:49:36,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272508116] [2024-11-19 03:49:36,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:49:36,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:49:36,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:49:36,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:49:36,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:49:36,179 INFO L87 Difference]: Start difference. First operand 9624 states and 13114 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-19 03:49:36,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:49:36,603 INFO L93 Difference]: Finished difference Result 10636 states and 14062 transitions. [2024-11-19 03:49:36,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:49:36,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 216 [2024-11-19 03:49:36,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:49:36,673 INFO L225 Difference]: With dead ends: 10636 [2024-11-19 03:49:36,674 INFO L226 Difference]: Without dead ends: 10632 [2024-11-19 03:49:36,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:49:36,688 INFO L432 NwaCegarLoop]: 1595 mSDtfsCounter, 1298 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1298 SdHoareTripleChecker+Valid, 1945 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:49:36,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1298 Valid, 1945 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:49:36,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10632 states. [2024-11-19 03:49:37,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10632 to 10626. [2024-11-19 03:49:37,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10626 states, 7234 states have (on average 1.26983688139342) internal successors, (9186), 7388 states have internal predecessors, (9186), 2433 states have call successors, (2433), 972 states have call predecessors, (2433), 958 states have return successors, (2422), 2378 states have call predecessors, (2422), 2422 states have call successors, (2422) [2024-11-19 03:49:37,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10626 states to 10626 states and 14041 transitions. [2024-11-19 03:49:37,378 INFO L78 Accepts]: Start accepts. Automaton has 10626 states and 14041 transitions. Word has length 216 [2024-11-19 03:49:37,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:49:37,380 INFO L471 AbstractCegarLoop]: Abstraction has 10626 states and 14041 transitions. [2024-11-19 03:49:37,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-19 03:49:37,381 INFO L276 IsEmpty]: Start isEmpty. Operand 10626 states and 14041 transitions. [2024-11-19 03:49:37,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-19 03:49:37,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:49:37,383 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:49:37,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 03:49:37,384 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:49:37,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:49:37,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1179934753, now seen corresponding path program 1 times [2024-11-19 03:49:37,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:49:37,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335563045] [2024-11-19 03:49:37,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:49:37,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:49:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:49:38,669 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-11-19 03:49:38,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:49:38,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335563045] [2024-11-19 03:49:38,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335563045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:49:38,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:49:38,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:49:38,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567300153] [2024-11-19 03:49:38,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:49:38,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:49:38,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:49:38,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:49:38,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:49:38,671 INFO L87 Difference]: Start difference. First operand 10626 states and 14041 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-19 03:49:39,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:49:39,516 INFO L93 Difference]: Finished difference Result 30129 states and 40038 transitions. [2024-11-19 03:49:39,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:49:39,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 217 [2024-11-19 03:49:39,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:49:39,634 INFO L225 Difference]: With dead ends: 30129 [2024-11-19 03:49:39,635 INFO L226 Difference]: Without dead ends: 19548 [2024-11-19 03:49:39,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:49:39,700 INFO L432 NwaCegarLoop]: 1707 mSDtfsCounter, 1455 mSDsluCounter, 1367 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1455 SdHoareTripleChecker+Valid, 3074 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:49:39,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1455 Valid, 3074 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:49:39,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19548 states. [2024-11-19 03:49:41,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19548 to 19407. [2024-11-19 03:49:41,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19407 states, 13311 states have (on average 1.2784914732176396) internal successors, (17018), 13619 states have internal predecessors, (17018), 4388 states have call successors, (4388), 1752 states have call predecessors, (4388), 1707 states have return successors, (4406), 4233 states have call predecessors, (4406), 4374 states have call successors, (4406) [2024-11-19 03:49:41,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19407 states to 19407 states and 25812 transitions. [2024-11-19 03:49:41,377 INFO L78 Accepts]: Start accepts. Automaton has 19407 states and 25812 transitions. Word has length 217 [2024-11-19 03:49:41,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:49:41,378 INFO L471 AbstractCegarLoop]: Abstraction has 19407 states and 25812 transitions. [2024-11-19 03:49:41,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-19 03:49:41,378 INFO L276 IsEmpty]: Start isEmpty. Operand 19407 states and 25812 transitions. [2024-11-19 03:49:41,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-19 03:49:41,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:49:41,389 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:49:41,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 03:49:41,389 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:49:41,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:49:41,390 INFO L85 PathProgramCache]: Analyzing trace with hash 150779390, now seen corresponding path program 1 times [2024-11-19 03:49:41,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:49:41,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957822942] [2024-11-19 03:49:41,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:49:41,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:49:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:49:43,204 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2024-11-19 03:49:43,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:49:43,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957822942] [2024-11-19 03:49:43,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957822942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:49:43,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:49:43,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:49:43,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826415883] [2024-11-19 03:49:43,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:49:43,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:49:43,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:49:43,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:49:43,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:49:43,207 INFO L87 Difference]: Start difference. First operand 19407 states and 25812 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-19 03:49:47,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:49:48,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:49:48,824 INFO L93 Difference]: Finished difference Result 48554 states and 64399 transitions. [2024-11-19 03:49:48,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:49:48,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 279 [2024-11-19 03:49:48,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:49:49,063 INFO L225 Difference]: With dead ends: 48554 [2024-11-19 03:49:49,063 INFO L226 Difference]: Without dead ends: 29202 [2024-11-19 03:49:49,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:49:49,178 INFO L432 NwaCegarLoop]: 2303 mSDtfsCounter, 1196 mSDsluCounter, 1434 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1196 SdHoareTripleChecker+Valid, 3737 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-19 03:49:49,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1196 Valid, 3737 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 44 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-19 03:49:49,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29202 states. [2024-11-19 03:49:50,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29202 to 29127. [2024-11-19 03:49:50,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29127 states, 20123 states have (on average 1.2734681707498883) internal successors, (25626), 20579 states have internal predecessors, (25626), 6363 states have call successors, (6363), 2709 states have call predecessors, (6363), 2640 states have return successors, (6381), 6142 states have call predecessors, (6381), 6349 states have call successors, (6381) [2024-11-19 03:49:50,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29127 states to 29127 states and 38370 transitions. [2024-11-19 03:49:50,827 INFO L78 Accepts]: Start accepts. Automaton has 29127 states and 38370 transitions. Word has length 279 [2024-11-19 03:49:50,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:49:50,828 INFO L471 AbstractCegarLoop]: Abstraction has 29127 states and 38370 transitions. [2024-11-19 03:49:50,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-19 03:49:50,828 INFO L276 IsEmpty]: Start isEmpty. Operand 29127 states and 38370 transitions. [2024-11-19 03:49:50,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-19 03:49:50,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:49:50,836 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2024-11-19 03:49:50,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 03:49:50,837 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:49:50,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:49:50,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1886862302, now seen corresponding path program 1 times [2024-11-19 03:49:50,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:49:50,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830641592] [2024-11-19 03:49:50,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:49:50,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:49:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:49:52,555 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-11-19 03:49:52,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:49:52,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830641592] [2024-11-19 03:49:52,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830641592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:49:52,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:49:52,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:49:52,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138821091] [2024-11-19 03:49:52,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:49:52,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:49:52,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:49:52,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:49:52,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:49:52,559 INFO L87 Difference]: Start difference. First operand 29127 states and 38370 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-19 03:49:56,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:49:57,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:49:57,743 INFO L93 Difference]: Finished difference Result 44021 states and 57954 transitions. [2024-11-19 03:49:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:49:57,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 274 [2024-11-19 03:49:57,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:49:57,878 INFO L225 Difference]: With dead ends: 44021 [2024-11-19 03:49:57,878 INFO L226 Difference]: Without dead ends: 14946 [2024-11-19 03:49:58,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:49:58,014 INFO L432 NwaCegarLoop]: 1572 mSDtfsCounter, 12 mSDsluCounter, 1556 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 3128 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:49:58,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 3128 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-19 03:49:58,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14946 states. [2024-11-19 03:49:59,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14946 to 14751. [2024-11-19 03:49:59,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14751 states, 10192 states have (on average 1.2751177394034536) internal successors, (12996), 10425 states have internal predecessors, (12996), 3220 states have call successors, (3220), 1374 states have call predecessors, (3220), 1338 states have return successors, (3222), 3105 states have call predecessors, (3222), 3206 states have call successors, (3222) [2024-11-19 03:49:59,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14751 states to 14751 states and 19438 transitions. [2024-11-19 03:49:59,196 INFO L78 Accepts]: Start accepts. Automaton has 14751 states and 19438 transitions. Word has length 274 [2024-11-19 03:49:59,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:49:59,201 INFO L471 AbstractCegarLoop]: Abstraction has 14751 states and 19438 transitions. [2024-11-19 03:49:59,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-19 03:49:59,201 INFO L276 IsEmpty]: Start isEmpty. Operand 14751 states and 19438 transitions. [2024-11-19 03:49:59,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-19 03:49:59,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:49:59,213 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:49:59,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 03:49:59,213 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:49:59,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:49:59,214 INFO L85 PathProgramCache]: Analyzing trace with hash -57600868, now seen corresponding path program 1 times [2024-11-19 03:49:59,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:49:59,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24623470] [2024-11-19 03:49:59,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:49:59,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:50:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat