./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--hwmon--abituguru.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.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 f10b86998fea4674fa5b7015999108ca74c118dd26b5c956056f2717da247f4b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 15:38:36,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 15:38:36,652 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 15:38:36,657 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 15:38:36,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 15:38:36,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 15:38:36,685 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 15:38:36,686 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 15:38:36,686 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 15:38:36,690 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 15:38:36,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 15:38:36,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 15:38:36,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 15:38:36,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 15:38:36,691 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 15:38:36,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 15:38:36,692 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 15:38:36,692 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 15:38:36,693 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 15:38:36,693 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 15:38:36,694 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 15:38:36,694 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 15:38:36,694 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 15:38:36,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 15:38:36,696 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 15:38:36,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 15:38:36,696 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 15:38:36,697 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 15:38:36,697 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 15:38:36,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 15:38:36,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 15:38:36,698 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 15:38:36,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 15:38:36,699 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 15:38:36,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 15:38:36,699 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 15:38:36,700 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 15:38:36,700 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 15:38:36,700 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 15:38:36,700 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f10b86998fea4674fa5b7015999108ca74c118dd26b5c956056f2717da247f4b [2024-11-22 15:38:36,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 15:38:36,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 15:38:36,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 15:38:36,939 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 15:38:36,940 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 15:38:36,941 INFO L431 ainManager$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--hwmon--abituguru.ko-entry_point.cil.out.i [2024-11-22 15:38:38,427 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 15:38:38,794 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 15:38:38,795 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--hwmon--abituguru.ko-entry_point.cil.out.i [2024-11-22 15:38:38,828 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/664922fe3/899b66a425784961938a0242cd6a1846/FLAGa15653f60 [2024-11-22 15:38:38,863 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/664922fe3/899b66a425784961938a0242cd6a1846 [2024-11-22 15:38:38,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 15:38:38,870 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 15:38:38,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 15:38:38,871 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 15:38:38,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 15:38:38,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:38:38" (1/1) ... [2024-11-22 15:38:38,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3abec685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:38:38, skipping insertion in model container [2024-11-22 15:38:38,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:38:38" (1/1) ... [2024-11-22 15:38:38,962 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 15:38:39,882 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--hwmon--abituguru.ko-entry_point.cil.out.i[175998,176011] [2024-11-22 15:38:39,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 15:38:40,004 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 15:38:40,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [2452] [2024-11-22 15:38:40,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2455] [2024-11-22 15:38:40,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2458] [2024-11-22 15:38:40,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2461] [2024-11-22 15:38:40,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2613] [2024-11-22 15:38:40,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2621] [2024-11-22 15:38:40,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [2899-2900] [2024-11-22 15:38:40,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [2904-2905] [2024-11-22 15:38:40,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [2909-2910] [2024-11-22 15:38:40,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [2914-2915] [2024-11-22 15:38:40,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [3218-3219] [2024-11-22 15:38:40,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [3223-3224] [2024-11-22 15:38:40,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___6->state): : "memory", "cc"); [3228-3229] [2024-11-22 15:38:40,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___7->state): : "memory", "cc"); [3233-3234] [2024-11-22 15:38:40,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___15->state): : "memory", "cc"); [3313-3314] [2024-11-22 15:38:40,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___16->state): : "memory", "cc"); [3318-3319] [2024-11-22 15:38:40,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___17->state): : "memory", "cc"); [3323-3324] [2024-11-22 15:38:40,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___18->state): : "memory", "cc"); [3328-3329] [2024-11-22 15:38:40,185 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--hwmon--abituguru.ko-entry_point.cil.out.i[175998,176011] [2024-11-22 15:38:40,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 15:38:40,493 INFO L204 MainTranslator]: Completed translation [2024-11-22 15:38:40,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:38:40 WrapperNode [2024-11-22 15:38:40,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 15:38:40,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 15:38:40,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 15:38:40,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 15:38:40,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:38:40" (1/1) ... [2024-11-22 15:38:40,557 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:38:40" (1/1) ... [2024-11-22 15:38:40,668 INFO L138 Inliner]: procedures = 200, calls = 2141, calls flagged for inlining = 74, calls inlined = 52, statements flattened = 3476 [2024-11-22 15:38:40,669 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 15:38:40,669 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 15:38:40,669 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 15:38:40,670 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 15:38:40,680 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:38:40" (1/1) ... [2024-11-22 15:38:40,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:38:40" (1/1) ... [2024-11-22 15:38:40,700 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:38:40" (1/1) ... [2024-11-22 15:38:40,834 INFO L175 MemorySlicer]: Split 1031 memory accesses to 17 slices as follows [2, 6, 7, 21, 275, 1, 115, 20, 115, 189, 25, 3, 231, 3, 10, 3, 5]. 27 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 5, 5, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 2, 5]. The 848 writes are split as follows [0, 0, 0, 17, 258, 0, 98, 16, 98, 123, 25, 2, 198, 3, 10, 0, 0]. [2024-11-22 15:38:40,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:38:40" (1/1) ... [2024-11-22 15:38:40,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:38:40" (1/1) ... [2024-11-22 15:38:40,886 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:38:40" (1/1) ... [2024-11-22 15:38:40,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:38:40" (1/1) ... [2024-11-22 15:38:40,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:38:40" (1/1) ... [2024-11-22 15:38:40,947 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:38:40" (1/1) ... [2024-11-22 15:38:40,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 15:38:40,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 15:38:40,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 15:38:40,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 15:38:40,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:38:40" (1/1) ... [2024-11-22 15:38:40,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 15:38:40,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:38:41,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 15:38:41,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 15:38:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-22 15:38:41,069 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-22 15:38:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2024-11-22 15:38:41,070 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2024-11-22 15:38:41,070 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-11-22 15:38:41,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-11-22 15:38:41,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 15:38:41,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 15:38:41,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 15:38:41,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 15:38:41,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 15:38:41,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 15:38:41,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-22 15:38:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-22 15:38:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-22 15:38:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-22 15:38:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-22 15:38:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-22 15:38:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-22 15:38:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-22 15:38:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-22 15:38:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-22 15:38:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-22 15:38:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-22 15:38:41,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-22 15:38:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-22 15:38:41,073 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-22 15:38:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-22 15:38:41,073 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-22 15:38:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-22 15:38:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-22 15:38:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_abituguru_data [2024-11-22 15:38:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_abituguru_data [2024-11-22 15:38:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-22 15:38:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-22 15:38:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-22 15:38:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-22 15:38:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2024-11-22 15:38:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2024-11-22 15:38:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 15:38:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 15:38:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_resume [2024-11-22 15:38:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_resume [2024-11-22 15:38:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-22 15:38:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-22 15:38:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 15:38:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 15:38:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 15:38:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 15:38:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 15:38:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 15:38:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 15:38:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 15:38:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-22 15:38:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-22 15:38:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-22 15:38:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-22 15:38:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-22 15:38:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-22 15:38:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-22 15:38:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-22 15:38:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-22 15:38:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-22 15:38:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-22 15:38:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-22 15:38:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 15:38:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-22 15:38:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-22 15:38:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_abituguru_data [2024-11-22 15:38:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_abituguru_data [2024-11-22 15:38:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-22 15:38:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-22 15:38:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_send_address [2024-11-22 15:38:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_send_address [2024-11-22 15:38:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-22 15:38:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-22 15:38:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 15:38:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 15:38:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 15:38:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 15:38:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 15:38:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 15:38:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 15:38:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-22 15:38:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-22 15:38:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-22 15:38:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-22 15:38:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-22 15:38:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-22 15:38:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-22 15:38:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-22 15:38:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-22 15:38:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-22 15:38:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 15:38:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 15:38:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 15:38:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 15:38:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 15:38:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 15:38:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 15:38:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 15:38:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-22 15:38:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-22 15:38:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-22 15:38:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-22 15:38:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-22 15:38:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-22 15:38:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-22 15:38:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-22 15:38:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-22 15:38:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_wait [2024-11-22 15:38:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_wait [2024-11-22 15:38:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_remove [2024-11-22 15:38:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_remove [2024-11-22 15:38:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 15:38:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 15:38:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 15:38:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 15:38:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 15:38:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 15:38:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 15:38:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 15:38:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-22 15:38:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-22 15:38:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-22 15:38:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-22 15:38:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-22 15:38:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-22 15:38:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-22 15:38:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-22 15:38:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-22 15:38:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-22 15:38:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-22 15:38:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-22 15:38:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-22 15:38:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-22 15:38:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-22 15:38:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 15:38:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2024-11-22 15:38:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2024-11-22 15:38:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 15:38:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_write [2024-11-22 15:38:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_write [2024-11-22 15:38:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 15:38:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 15:38:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 15:38:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 15:38:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 15:38:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 15:38:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-22 15:38:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-22 15:38:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-22 15:38:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-22 15:38:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-22 15:38:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-22 15:38:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-22 15:38:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-22 15:38:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-22 15:38:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-22 15:38:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-22 15:38:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_ready [2024-11-22 15:38:41,089 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_ready [2024-11-22 15:38:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_suspend [2024-11-22 15:38:41,089 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_suspend [2024-11-22 15:38:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_read [2024-11-22 15:38:41,090 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_read [2024-11-22 15:38:41,090 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_probe [2024-11-22 15:38:41,090 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_probe [2024-11-22 15:38:41,090 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-22 15:38:41,090 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-22 15:38:41,090 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2024-11-22 15:38:41,090 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2024-11-22 15:38:41,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 15:38:41,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 15:38:41,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 15:38:41,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 15:38:41,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 15:38:41,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 15:38:41,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 15:38:41,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 15:38:41,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-22 15:38:41,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-22 15:38:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-22 15:38:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-22 15:38:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-22 15:38:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-22 15:38:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-22 15:38:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-22 15:38:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-22 15:38:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-11-22 15:38:41,094 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-11-22 15:38:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 15:38:41,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 15:38:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-22 15:38:41,094 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-22 15:38:41,501 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 15:38:41,503 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 15:38:41,543 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-22 15:39:02,488 INFO L? ?]: Removed 669 outVars from TransFormulas that were not future-live. [2024-11-22 15:39:02,488 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 15:39:02,520 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 15:39:02,521 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-22 15:39:02,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:39:02 BoogieIcfgContainer [2024-11-22 15:39:02,521 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 15:39:02,523 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 15:39:02,525 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 15:39:02,531 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 15:39:02,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:38:38" (1/3) ... [2024-11-22 15:39:02,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e23184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:39:02, skipping insertion in model container [2024-11-22 15:39:02,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:38:40" (2/3) ... [2024-11-22 15:39:02,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e23184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:39:02, skipping insertion in model container [2024-11-22 15:39:02,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:39:02" (3/3) ... [2024-11-22 15:39:02,537 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i [2024-11-22 15:39:02,553 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 15:39:02,554 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 15:39:02,631 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 15:39:02,638 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;@5487c369, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 15:39:02,638 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 15:39:02,651 INFO L276 IsEmpty]: Start isEmpty. Operand has 867 states, 647 states have (on average 1.4497681607418855) internal successors, (938), 664 states have internal predecessors, (938), 184 states have call successors, (184), 35 states have call predecessors, (184), 34 states have return successors, (180), 180 states have call predecessors, (180), 180 states have call successors, (180) [2024-11-22 15:39:02,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-22 15:39:02,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:39:02,662 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:39:02,662 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:39:02,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:39:02,667 INFO L85 PathProgramCache]: Analyzing trace with hash 72293677, now seen corresponding path program 1 times [2024-11-22 15:39:02,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:39:02,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444140109] [2024-11-22 15:39:02,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:39:02,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:39:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:39:18,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 15:39:18,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:39:18,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444140109] [2024-11-22 15:39:18,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444140109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:39:18,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:39:18,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:39:18,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171217714] [2024-11-22 15:39:18,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:39:18,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:39:18,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:39:18,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:39:18,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:39:18,840 INFO L87 Difference]: Start difference. First operand has 867 states, 647 states have (on average 1.4497681607418855) internal successors, (938), 664 states have internal predecessors, (938), 184 states have call successors, (184), 35 states have call predecessors, (184), 34 states have return successors, (180), 180 states have call predecessors, (180), 180 states have call successors, (180) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 15:39:22,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:39:23,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:39:23,722 INFO L93 Difference]: Finished difference Result 2519 states and 3827 transitions. [2024-11-22 15:39:23,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:39:23,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2024-11-22 15:39:23,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:39:23,747 INFO L225 Difference]: With dead ends: 2519 [2024-11-22 15:39:23,748 INFO L226 Difference]: Without dead ends: 1641 [2024-11-22 15:39:23,757 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:39:23,760 INFO L432 NwaCegarLoop]: 2189 mSDtfsCounter, 1255 mSDsluCounter, 1203 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1255 SdHoareTripleChecker+Valid, 3392 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-22 15:39:23,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1255 Valid, 3392 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-22 15:39:23,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2024-11-22 15:39:23,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1637. [2024-11-22 15:39:23,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1637 states, 1229 states have (on average 1.4418226200162734) internal successors, (1772), 1247 states have internal predecessors, (1772), 341 states have call successors, (341), 67 states have call predecessors, (341), 66 states have return successors, (336), 336 states have call predecessors, (336), 336 states have call successors, (336) [2024-11-22 15:39:23,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2449 transitions. [2024-11-22 15:39:23,932 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2449 transitions. Word has length 21 [2024-11-22 15:39:23,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:39:23,933 INFO L471 AbstractCegarLoop]: Abstraction has 1637 states and 2449 transitions. [2024-11-22 15:39:23,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 15:39:23,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2449 transitions. [2024-11-22 15:39:23,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-22 15:39:23,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:39:23,939 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:39:23,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 15:39:23,940 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:39:23,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:39:23,940 INFO L85 PathProgramCache]: Analyzing trace with hash 395179327, now seen corresponding path program 1 times [2024-11-22 15:39:23,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:39:23,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278921353] [2024-11-22 15:39:23,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:39:23,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:39:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:39:37,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 15:39:37,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:39:37,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278921353] [2024-11-22 15:39:37,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278921353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:39:37,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:39:37,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:39:37,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092722772] [2024-11-22 15:39:37,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:39:37,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:39:37,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:39:37,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:39:37,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:39:37,506 INFO L87 Difference]: Start difference. First operand 1637 states and 2449 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 15:39:38,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:39:38,396 INFO L93 Difference]: Finished difference Result 4644 states and 6941 transitions. [2024-11-22 15:39:38,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:39:38,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-11-22 15:39:38,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:39:38,411 INFO L225 Difference]: With dead ends: 4644 [2024-11-22 15:39:38,411 INFO L226 Difference]: Without dead ends: 3010 [2024-11-22 15:39:38,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:39:38,416 INFO L432 NwaCegarLoop]: 1317 mSDtfsCounter, 1072 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1072 SdHoareTripleChecker+Valid, 2529 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-22 15:39:38,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1072 Valid, 2529 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-22 15:39:38,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3010 states. [2024-11-22 15:39:38,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3010 to 2993. [2024-11-22 15:39:38,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2993 states, 2228 states have (on average 1.4299820466786355) internal successors, (3186), 2260 states have internal predecessors, (3186), 647 states have call successors, (647), 118 states have call predecessors, (647), 117 states have return successors, (642), 642 states have call predecessors, (642), 642 states have call successors, (642) [2024-11-22 15:39:38,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2993 states to 2993 states and 4475 transitions. [2024-11-22 15:39:38,516 INFO L78 Accepts]: Start accepts. Automaton has 2993 states and 4475 transitions. Word has length 24 [2024-11-22 15:39:38,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:39:38,516 INFO L471 AbstractCegarLoop]: Abstraction has 2993 states and 4475 transitions. [2024-11-22 15:39:38,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 15:39:38,516 INFO L276 IsEmpty]: Start isEmpty. Operand 2993 states and 4475 transitions. [2024-11-22 15:39:38,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-22 15:39:38,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:39:38,520 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:39:38,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 15:39:38,520 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:39:38,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:39:38,521 INFO L85 PathProgramCache]: Analyzing trace with hash -266744037, now seen corresponding path program 1 times [2024-11-22 15:39:38,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:39:38,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686851888] [2024-11-22 15:39:38,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:39:38,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:39:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:39:54,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 15:39:54,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:39:54,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686851888] [2024-11-22 15:39:54,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686851888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:39:54,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:39:54,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:39:54,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304795657] [2024-11-22 15:39:54,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:39:54,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:39:54,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:39:54,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:39:54,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:39:54,300 INFO L87 Difference]: Start difference. First operand 2993 states and 4475 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 15:39:54,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:39:54,360 INFO L93 Difference]: Finished difference Result 2995 states and 4476 transitions. [2024-11-22 15:39:54,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:39:54,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-22 15:39:54,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:39:54,373 INFO L225 Difference]: With dead ends: 2995 [2024-11-22 15:39:54,374 INFO L226 Difference]: Without dead ends: 2992 [2024-11-22 15:39:54,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:39:54,376 INFO L432 NwaCegarLoop]: 1275 mSDtfsCounter, 1258 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1258 SdHoareTripleChecker+Valid, 1275 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 [2024-11-22 15:39:54,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1258 Valid, 1275 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 15:39:54,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2992 states. [2024-11-22 15:39:54,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2992 to 2992. [2024-11-22 15:39:54,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2992 states, 2228 states have (on average 1.4295332136445242) internal successors, (3185), 2259 states have internal predecessors, (3185), 646 states have call successors, (646), 118 states have call predecessors, (646), 117 states have return successors, (642), 642 states have call predecessors, (642), 642 states have call successors, (642) [2024-11-22 15:39:54,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2992 states to 2992 states and 4473 transitions. [2024-11-22 15:39:54,464 INFO L78 Accepts]: Start accepts. Automaton has 2992 states and 4473 transitions. Word has length 25 [2024-11-22 15:39:54,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:39:54,465 INFO L471 AbstractCegarLoop]: Abstraction has 2992 states and 4473 transitions. [2024-11-22 15:39:54,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 15:39:54,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2992 states and 4473 transitions. [2024-11-22 15:39:54,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-22 15:39:54,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:39:54,467 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:39:54,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 15:39:54,467 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:39:54,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:39:54,468 INFO L85 PathProgramCache]: Analyzing trace with hash 320670356, now seen corresponding path program 1 times [2024-11-22 15:39:54,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:39:54,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790293698] [2024-11-22 15:39:54,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:39:54,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:40:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:40:07,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 15:40:07,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:40:07,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790293698] [2024-11-22 15:40:07,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790293698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:40:07,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:40:07,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:40:07,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148651719] [2024-11-22 15:40:07,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:40:07,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:40:07,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:40:07,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:40:07,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:40:07,105 INFO L87 Difference]: Start difference. First operand 2992 states and 4473 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 15:40:07,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:40:07,178 INFO L93 Difference]: Finished difference Result 2994 states and 4474 transitions. [2024-11-22 15:40:07,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:40:07,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2024-11-22 15:40:07,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:40:07,193 INFO L225 Difference]: With dead ends: 2994 [2024-11-22 15:40:07,194 INFO L226 Difference]: Without dead ends: 2991 [2024-11-22 15:40:07,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:40:07,197 INFO L432 NwaCegarLoop]: 1273 mSDtfsCounter, 1255 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1255 SdHoareTripleChecker+Valid, 1273 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 [2024-11-22 15:40:07,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1255 Valid, 1273 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 15:40:07,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2991 states. [2024-11-22 15:40:07,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2991 to 2991. [2024-11-22 15:40:07,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2991 states, 2228 states have (on average 1.429084380610413) internal successors, (3184), 2258 states have internal predecessors, (3184), 645 states have call successors, (645), 118 states have call predecessors, (645), 117 states have return successors, (642), 642 states have call predecessors, (642), 642 states have call successors, (642) [2024-11-22 15:40:07,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2991 states to 2991 states and 4471 transitions. [2024-11-22 15:40:07,291 INFO L78 Accepts]: Start accepts. Automaton has 2991 states and 4471 transitions. Word has length 26 [2024-11-22 15:40:07,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:40:07,291 INFO L471 AbstractCegarLoop]: Abstraction has 2991 states and 4471 transitions. [2024-11-22 15:40:07,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 15:40:07,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2991 states and 4471 transitions. [2024-11-22 15:40:07,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-22 15:40:07,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:40:07,292 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:40:07,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 15:40:07,295 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:40:07,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:40:07,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1350652222, now seen corresponding path program 1 times [2024-11-22 15:40:07,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:40:07,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2771629] [2024-11-22 15:40:07,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:40:07,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms