/root/.sdkman/candidates/java/11.0.12-open/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-tmp.fs.smtinterpol-bv-eval-3dddfdf-m [2024-11-15 15:12:59,098 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-15 15:12:59,152 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-15 15:12:59,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-15 15:12:59,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-15 15:12:59,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-15 15:12:59,175 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-15 15:12:59,175 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-15 15:12:59,175 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-15 15:12:59,175 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-15 15:12:59,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-15 15:12:59,176 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-15 15:12:59,176 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-15 15:12:59,177 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-15 15:12:59,177 INFO L153 SettingsManager]: * Use SBE=true [2024-11-15 15:12:59,177 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-15 15:12:59,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-15 15:12:59,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-15 15:12:59,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-15 15:12:59,178 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-15 15:12:59,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-15 15:12:59,178 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-15 15:12:59,179 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-15 15:12:59,179 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-15 15:12:59,179 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-15 15:12:59,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-15 15:12:59,179 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-15 15:12:59,180 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-15 15:12:59,180 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-15 15:12:59,180 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-15 15:12:59,180 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-15 15:12:59,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 15:12:59,180 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-15 15:12:59,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-15 15:12:59,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-15 15:12:59,181 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-15 15:12:59,181 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-15 15:12:59,181 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-15 15:12:59,181 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-15 15:12:59,182 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-15 15:12:59,182 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-15 15:12:59,182 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-15 15:12:59,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-15 15:12:59,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-15 15:12:59,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-15 15:12:59,382 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-15 15:12:59,382 INFO L274 PluginConnector]: CDTParser initialized [2024-11-15 15:12:59,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i [2024-11-15 15:13:00,559 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-15 15:13:00,947 INFO L384 CDTParser]: Found 1 translation units. [2024-11-15 15:13:00,947 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i [2024-11-15 15:13:00,981 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/798efe13d/3b12ac8211aa45e4a649ebcab45b250a/FLAG8fb931c95 [2024-11-15 15:13:00,995 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/798efe13d/3b12ac8211aa45e4a649ebcab45b250a [2024-11-15 15:13:00,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-15 15:13:00,999 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-15 15:13:01,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-15 15:13:01,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-15 15:13:01,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-15 15:13:01,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 03:13:00" (1/1) ... [2024-11-15 15:13:01,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f249b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:13:01, skipping insertion in model container [2024-11-15 15:13:01,006 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 03:13:00" (1/1) ... [2024-11-15 15:13:01,109 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 15:13:01,722 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:01,793 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:01,814 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:01,820 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:01,831 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:01,835 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:01,838 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:01,848 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:01,863 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:01,870 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:01,876 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:01,885 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:01,919 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:01,923 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:01,923 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:01,925 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:01,929 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:01,930 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:01,930 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:01,937 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:02,123 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:02,124 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:02,125 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:02,125 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:02,127 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:02,139 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:02,139 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:02,140 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:02,140 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:02,178 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:02,186 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:02,186 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:02,213 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:02,218 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:02,219 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:02,220 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:02,426 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i[292189,292202] [2024-11-15 15:13:02,429 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i[292358,292371] [2024-11-15 15:13:02,430 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i[292525,292538] [2024-11-15 15:13:02,430 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i[292693,292706] [2024-11-15 15:13:02,433 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 15:13:02,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 15:13:02,453 INFO L200 MainTranslator]: Completed pre-run [2024-11-15 15:13:02,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6219] [2024-11-15 15:13:02,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6222] [2024-11-15 15:13:02,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6225] [2024-11-15 15:13:02,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6228] [2024-11-15 15:13:02,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___0->state): : "memory", "cc"); [6657-6658] [2024-11-15 15:13:02,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [6664-6665] [2024-11-15 15:13:02,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [6671-6672] [2024-11-15 15:13:02,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [6678-6679] [2024-11-15 15:13:02,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___4->state): : "memory", "cc"); [6722-6723] [2024-11-15 15:13:02,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___5->state): : "memory", "cc"); [6729-6730] [2024-11-15 15:13:02,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___6->state): : "memory", "cc"); [6736-6737] [2024-11-15 15:13:02,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___7->state): : "memory", "cc"); [6743-6744] [2024-11-15 15:13:02,640 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i[292189,292202] [2024-11-15 15:13:02,641 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i[292358,292371] [2024-11-15 15:13:02,641 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i[292525,292538] [2024-11-15 15:13:02,642 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i[292693,292706] [2024-11-15 15:13:02,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 15:13:02,798 INFO L204 MainTranslator]: Completed translation [2024-11-15 15:13:02,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:13:02 WrapperNode [2024-11-15 15:13:02,800 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-15 15:13:02,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-15 15:13:02,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-15 15:13:02,802 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-15 15:13:02,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:13:02" (1/1) ... [2024-11-15 15:13:02,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:13:02" (1/1) ... [2024-11-15 15:13:02,952 INFO L138 Inliner]: procedures = 334, calls = 936, calls flagged for inlining = 153, calls inlined = 140, statements flattened = 2681 [2024-11-15 15:13:02,952 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-15 15:13:02,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-15 15:13:02,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-15 15:13:02,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-15 15:13:02,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:13:02" (1/1) ... [2024-11-15 15:13:02,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:13:02" (1/1) ... [2024-11-15 15:13:02,976 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:13:02" (1/1) ... [2024-11-15 15:13:03,325 INFO L175 MemorySlicer]: Split 272 memory accesses to 11 slices as follows [158, 25, 2, 52, 1, 2, 14, 5, 5, 2, 6]. 58 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [0, 0, 0, 0, 1, 2, 0, 0, 0, 1, 6]. The 123 writes are split as follows [26, 23, 1, 52, 0, 0, 12, 4, 5, 0, 0]. [2024-11-15 15:13:03,326 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:13:02" (1/1) ... [2024-11-15 15:13:03,326 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:13:02" (1/1) ... [2024-11-15 15:13:03,387 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:13:02" (1/1) ... [2024-11-15 15:13:03,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:13:02" (1/1) ... [2024-11-15 15:13:03,421 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:13:02" (1/1) ... [2024-11-15 15:13:03,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:13:02" (1/1) ... [2024-11-15 15:13:03,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-15 15:13:03,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-15 15:13:03,456 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-15 15:13:03,456 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-15 15:13:03,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:13:02" (1/1) ... [2024-11-15 15:13:03,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 15:13:03,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 15:13:03,492 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) [2024-11-15 15:13:03,494 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 [2024-11-15 15:13:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-15 15:13:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-15 15:13:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-15 15:13:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-15 15:13:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-15 15:13:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-15 15:13:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-15 15:13:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-15 15:13:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-15 15:13:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-15 15:13:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-15 15:13:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-15 15:13:03,528 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-15 15:13:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-15 15:13:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-15 15:13:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-15 15:13:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-15 15:13:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-15 15:13:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-15 15:13:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-15 15:13:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-15 15:13:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-15 15:13:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-15 15:13:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#10 [2024-11-15 15:13:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-11-15 15:13:03,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-11-15 15:13:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-15 15:13:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-15 15:13:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-15 15:13:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-15 15:13:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-15 15:13:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-15 15:13:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-15 15:13:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-15 15:13:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-15 15:13:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-15 15:13:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-15 15:13:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-15 15:13:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-15 15:13:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-15 15:13:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-15 15:13:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-15 15:13:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-15 15:13:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-15 15:13:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-15 15:13:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-15 15:13:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-15 15:13:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-11-15 15:13:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-15 15:13:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-15 15:13:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-15 15:13:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-15 15:13:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-15 15:13:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-15 15:13:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-15 15:13:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-15 15:13:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-15 15:13:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-15 15:13:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-15 15:13:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-15 15:13:03,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-15 15:13:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-15 15:13:03,535 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-15 15:13:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-15 15:13:03,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-15 15:13:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-15 15:13:03,535 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-15 15:13:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_request [2024-11-15 15:13:03,535 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_request [2024-11-15 15:13:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2024-11-15 15:13:03,535 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2024-11-15 15:13:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-15 15:13:03,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-15 15:13:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure cw1200_spi_irq_unsubscribe [2024-11-15 15:13:03,536 INFO L138 BoogieDeclarations]: Found implementation of procedure cw1200_spi_irq_unsubscribe [2024-11-15 15:13:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-15 15:13:03,536 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-15 15:13:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure cw1200_spi_unlock [2024-11-15 15:13:03,536 INFO L138 BoogieDeclarations]: Found implementation of procedure cw1200_spi_unlock [2024-11-15 15:13:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-15 15:13:03,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-15 15:13:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2024-11-15 15:13:03,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2024-11-15 15:13:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-15 15:13:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2024-11-15 15:13:03,536 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2024-11-15 15:13:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-15 15:13:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-15 15:13:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-15 15:13:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-15 15:13:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-15 15:13:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-15 15:13:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-15 15:13:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-15 15:13:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-15 15:13:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-15 15:13:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-15 15:13:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-15 15:13:03,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-15 15:13:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-15 15:13:03,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-15 15:13:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_hwbus_priv [2024-11-15 15:13:03,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_hwbus_priv [2024-11-15 15:13:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-15 15:13:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-15 15:13:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-15 15:13:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-15 15:13:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-15 15:13:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-15 15:13:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-15 15:13:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-15 15:13:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-15 15:13:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-15 15:13:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#10 [2024-11-15 15:13:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-15 15:13:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-15 15:13:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-15 15:13:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-15 15:13:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-15 15:13:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-15 15:13:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-15 15:13:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-15 15:13:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-15 15:13:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-15 15:13:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-15 15:13:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-15 15:13:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-15 15:13:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-15 15:13:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-15 15:13:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-15 15:13:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-15 15:13:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-15 15:13:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-15 15:13:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-15 15:13:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-15 15:13:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-11-15 15:13:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-15 15:13:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-15 15:13:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-15 15:13:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-15 15:13:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-15 15:13:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-15 15:13:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-15 15:13:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-15 15:13:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-15 15:13:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-15 15:13:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-15 15:13:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-15 15:13:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-15 15:13:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-15 15:13:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-15 15:13:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-15 15:13:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-15 15:13:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-15 15:13:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-15 15:13:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-15 15:13:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-15 15:13:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-15 15:13:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-15 15:13:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~C_INT [2024-11-15 15:13:03,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~C_INT [2024-11-15 15:13:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-15 15:13:03,542 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-15 15:13:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2024-11-15 15:13:03,542 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2024-11-15 15:13:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-15 15:13:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-15 15:13:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-15 15:13:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-15 15:13:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-15 15:13:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-15 15:13:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-15 15:13:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-15 15:13:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-15 15:13:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-15 15:13:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-15 15:13:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-15 15:13:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-15 15:13:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-15 15:13:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-15 15:13:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-15 15:13:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-15 15:13:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-15 15:13:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-15 15:13:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-15 15:13:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-15 15:13:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-15 15:13:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-15 15:13:03,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-15 15:13:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-15 15:13:03,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-15 15:13:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-15 15:13:03,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-15 15:13:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-15 15:13:03,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-15 15:13:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure cw1200_spi_probe [2024-11-15 15:13:03,545 INFO L138 BoogieDeclarations]: Found implementation of procedure cw1200_spi_probe [2024-11-15 15:13:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-15 15:13:03,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-15 15:13:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2024-11-15 15:13:03,545 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2024-11-15 15:13:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2024-11-15 15:13:03,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2024-11-15 15:13:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-15 15:13:03,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-15 15:13:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-15 15:13:03,545 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-15 15:13:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure cw1200_spi_disconnect [2024-11-15 15:13:03,546 INFO L138 BoogieDeclarations]: Found implementation of procedure cw1200_spi_disconnect [2024-11-15 15:13:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-15 15:13:03,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-15 15:13:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-15 15:13:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-15 15:13:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-15 15:13:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-15 15:13:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-15 15:13:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-15 15:13:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-15 15:13:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-15 15:13:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-15 15:13:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2024-11-15 15:13:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#10 [2024-11-15 15:13:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-15 15:13:03,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-15 15:13:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2024-11-15 15:13:03,547 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2024-11-15 15:13:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_output [2024-11-15 15:13:03,547 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_output [2024-11-15 15:13:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-15 15:13:03,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-15 15:13:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure cw1200_spi_off [2024-11-15 15:13:03,547 INFO L138 BoogieDeclarations]: Found implementation of procedure cw1200_spi_off [2024-11-15 15:13:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-15 15:13:03,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-15 15:13:03,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-15 15:13:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-15 15:13:03,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-15 15:13:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2024-11-15 15:13:03,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2024-11-15 15:13:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-15 15:13:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-15 15:13:03,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-15 15:13:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-15 15:13:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-15 15:13:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-15 15:13:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-15 15:13:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-15 15:13:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-15 15:13:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-15 15:13:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-15 15:13:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-15 15:13:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-15 15:13:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-15 15:13:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2024-11-15 15:13:03,549 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2024-11-15 15:13:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-15 15:13:03,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-15 15:13:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2024-11-15 15:13:03,549 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2024-11-15 15:13:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-15 15:13:03,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-15 15:13:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-15 15:13:03,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-15 15:13:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure cw1200_spi_lock [2024-11-15 15:13:03,550 INFO L138 BoogieDeclarations]: Found implementation of procedure cw1200_spi_lock [2024-11-15 15:13:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-15 15:13:03,550 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-15 15:13:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure cw1200_spi_resume [2024-11-15 15:13:03,550 INFO L138 BoogieDeclarations]: Found implementation of procedure cw1200_spi_resume [2024-11-15 15:13:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_spi_driver_exit_9_2 [2024-11-15 15:13:03,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_spi_driver_exit_9_2 [2024-11-15 15:13:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure cw1200_spi_pm [2024-11-15 15:13:03,550 INFO L138 BoogieDeclarations]: Found implementation of procedure cw1200_spi_pm [2024-11-15 15:13:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-15 15:13:03,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-15 15:13:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-15 15:13:03,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-15 15:13:04,021 INFO L238 CfgBuilder]: Building ICFG [2024-11-15 15:13:04,025 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-15 15:13:04,052 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-15 15:13:30,485 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-15 15:13:30,900 INFO L? ?]: Removed 1181 outVars from TransFormulas that were not future-live. [2024-11-15 15:13:30,900 INFO L287 CfgBuilder]: Performing block encoding [2024-11-15 15:13:30,932 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-15 15:13:30,936 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-15 15:13:30,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 03:13:30 BoogieIcfgContainer [2024-11-15 15:13:30,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-15 15:13:30,938 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-15 15:13:30,938 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-15 15:13:30,941 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-15 15:13:30,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 03:13:00" (1/3) ... [2024-11-15 15:13:30,941 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be01025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 03:13:30, skipping insertion in model container [2024-11-15 15:13:30,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 03:13:02" (2/3) ... [2024-11-15 15:13:30,942 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be01025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 03:13:30, skipping insertion in model container [2024-11-15 15:13:30,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 03:13:30" (3/3) ... [2024-11-15 15:13:30,943 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i [2024-11-15 15:13:30,955 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-15 15:13:30,955 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-15 15:13:31,033 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-15 15:13:31,039 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;@6c8a3744, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 15:13:31,039 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-15 15:13:31,050 INFO L276 IsEmpty]: Start isEmpty. Operand has 1069 states, 760 states have (on average 1.275) internal successors, (969), 770 states have internal predecessors, (969), 256 states have call successors, (256), 53 states have call predecessors, (256), 52 states have return successors, (247), 246 states have call predecessors, (247), 247 states have call successors, (247) [2024-11-15 15:13:31,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-15 15:13:31,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 15:13:31,072 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 15:13:31,073 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-15 15:13:31,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 15:13:31,077 INFO L85 PathProgramCache]: Analyzing trace with hash 2136264358, now seen corresponding path program 1 times [2024-11-15 15:13:31,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 15:13:31,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562601177] [2024-11-15 15:13:31,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 15:13:31,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 15:13:31,404 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 15:13:31,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1758930128] [2024-11-15 15:13:31,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 15:13:31,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 15:13:31,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 15:13:31,409 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) [2024-11-15 15:13:31,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-15 15:13:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 15:13:31,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 15:13:31,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 15:13:32,607 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-11-15 15:13:32,607 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 15:13:32,607 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 15:13:32,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562601177] [2024-11-15 15:13:32,608 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 15:13:32,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758930128] [2024-11-15 15:13:32,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758930128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 15:13:32,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 15:13:32,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 15:13:32,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233950081] [2024-11-15 15:13:32,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 15:13:32,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 15:13:32,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 15:13:32,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 15:13:32,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 15:13:32,641 INFO L87 Difference]: Start difference. First operand has 1069 states, 760 states have (on average 1.275) internal successors, (969), 770 states have internal predecessors, (969), 256 states have call successors, (256), 53 states have call predecessors, (256), 52 states have return successors, (247), 246 states have call predecessors, (247), 247 states have call successors, (247) Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-15 15:13:36,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-15 15:13:39,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 15:13:39,135 INFO L93 Difference]: Finished difference Result 2910 states and 4081 transitions. [2024-11-15 15:13:39,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 15:13:39,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 151 [2024-11-15 15:13:39,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 15:13:39,162 INFO L225 Difference]: With dead ends: 2910 [2024-11-15 15:13:39,162 INFO L226 Difference]: Without dead ends: 1852 [2024-11-15 15:13:39,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 15:13:39,175 INFO L432 NwaCegarLoop]: 1515 mSDtfsCounter, 1097 mSDsluCounter, 1328 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1097 SdHoareTripleChecker+Valid, 2843 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-15 15:13:39,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1097 Valid, 2843 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 121 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-11-15 15:13:39,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1852 states. [2024-11-15 15:13:39,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1852 to 1825. [2024-11-15 15:13:39,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1825 states, 1307 states have (on average 1.242540168324407) internal successors, (1624), 1330 states have internal predecessors, (1624), 418 states have call successors, (418), 98 states have call predecessors, (418), 97 states have return successors, (414), 408 states have call predecessors, (414), 414 states have call successors, (414) [2024-11-15 15:13:39,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1825 states and 2456 transitions. [2024-11-15 15:13:39,323 INFO L78 Accepts]: Start accepts. Automaton has 1825 states and 2456 transitions. Word has length 151 [2024-11-15 15:13:39,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 15:13:39,325 INFO L471 AbstractCegarLoop]: Abstraction has 1825 states and 2456 transitions. [2024-11-15 15:13:39,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-15 15:13:39,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2456 transitions. [2024-11-15 15:13:39,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-15 15:13:39,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 15:13:39,331 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 15:13:39,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-15 15:13:39,532 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 [2024-11-15 15:13:39,532 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-15 15:13:39,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 15:13:39,533 INFO L85 PathProgramCache]: Analyzing trace with hash 37546864, now seen corresponding path program 1 times [2024-11-15 15:13:39,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 15:13:39,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058181084] [2024-11-15 15:13:39,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 15:13:39,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 15:13:39,707 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 15:13:39,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1086917039] [2024-11-15 15:13:39,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 15:13:39,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 15:13:39,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 15:13:39,710 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 15:13:39,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-15 15:13:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 15:13:40,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 15:13:40,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 15:13:40,787 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-11-15 15:13:40,787 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 15:13:40,787 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 15:13:40,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058181084] [2024-11-15 15:13:40,787 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 15:13:40,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086917039] [2024-11-15 15:13:40,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086917039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 15:13:40,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 15:13:40,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 15:13:40,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909185158] [2024-11-15 15:13:40,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 15:13:40,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 15:13:40,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 15:13:40,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 15:13:40,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 15:13:40,790 INFO L87 Difference]: Start difference. First operand 1825 states and 2456 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-15 15:13:44,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-15 15:13:45,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 15:13:45,664 INFO L93 Difference]: Finished difference Result 5274 states and 7091 transitions. [2024-11-15 15:13:45,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 15:13:45,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 151 [2024-11-15 15:13:45,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 15:13:45,684 INFO L225 Difference]: With dead ends: 5274 [2024-11-15 15:13:45,685 INFO L226 Difference]: Without dead ends: 3476 [2024-11-15 15:13:45,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 15:13:45,696 INFO L432 NwaCegarLoop]: 1414 mSDtfsCounter, 1255 mSDsluCounter, 1342 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1255 SdHoareTripleChecker+Valid, 2756 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-15 15:13:45,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1255 Valid, 2756 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-15 15:13:45,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3476 states. [2024-11-15 15:13:45,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3476 to 3472. [2024-11-15 15:13:45,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3472 states, 2506 states have (on average 1.242218675179569) internal successors, (3113), 2544 states have internal predecessors, (3113), 772 states have call successors, (772), 192 states have call predecessors, (772), 191 states have return successors, (768), 759 states have call predecessors, (768), 768 states have call successors, (768) [2024-11-15 15:13:45,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3472 states to 3472 states and 4653 transitions. [2024-11-15 15:13:45,828 INFO L78 Accepts]: Start accepts. Automaton has 3472 states and 4653 transitions. Word has length 151 [2024-11-15 15:13:45,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 15:13:45,829 INFO L471 AbstractCegarLoop]: Abstraction has 3472 states and 4653 transitions. [2024-11-15 15:13:45,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-15 15:13:45,830 INFO L276 IsEmpty]: Start isEmpty. Operand 3472 states and 4653 transitions. [2024-11-15 15:13:45,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-15 15:13:45,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 15:13:45,832 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 15:13:45,849 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-15 15:13:46,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-15 15:13:46,032 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-15 15:13:46,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 15:13:46,033 INFO L85 PathProgramCache]: Analyzing trace with hash 728414595, now seen corresponding path program 1 times [2024-11-15 15:13:46,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 15:13:46,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849656813] [2024-11-15 15:13:46,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 15:13:46,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 15:13:46,117 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 15:13:46,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [193302596] [2024-11-15 15:13:46,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 15:13:46,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 15:13:46,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 15:13:46,119 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 15:13:46,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-15 15:13:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 15:13:46,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 15:13:46,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 15:13:47,240 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-11-15 15:13:47,240 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 15:13:47,240 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 15:13:47,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849656813] [2024-11-15 15:13:47,240 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 15:13:47,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193302596] [2024-11-15 15:13:47,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193302596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 15:13:47,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 15:13:47,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 15:13:47,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178885252] [2024-11-15 15:13:47,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 15:13:47,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 15:13:47,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 15:13:47,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 15:13:47,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 15:13:47,242 INFO L87 Difference]: Start difference. First operand 3472 states and 4653 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-15 15:13:51,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-15 15:13:52,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 15:13:52,247 INFO L93 Difference]: Finished difference Result 8315 states and 11122 transitions. [2024-11-15 15:13:52,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 15:13:52,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 157 [2024-11-15 15:13:52,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 15:13:52,274 INFO L225 Difference]: With dead ends: 8315 [2024-11-15 15:13:52,274 INFO L226 Difference]: Without dead ends: 4870 [2024-11-15 15:13:52,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 15:13:52,286 INFO L432 NwaCegarLoop]: 1416 mSDtfsCounter, 1194 mSDsluCounter, 1360 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1194 SdHoareTripleChecker+Valid, 2776 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-15 15:13:52,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1194 Valid, 2776 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 42 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-15 15:13:52,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4870 states. [2024-11-15 15:13:52,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4870 to 4841. [2024-11-15 15:13:52,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4841 states, 3487 states have (on average 1.2348723831373674) internal successors, (4306), 3550 states have internal predecessors, (4306), 1074 states have call successors, (1074), 278 states have call predecessors, (1074), 277 states have return successors, (1070), 1048 states have call predecessors, (1070), 1070 states have call successors, (1070) [2024-11-15 15:13:52,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4841 states to 4841 states and 6450 transitions. [2024-11-15 15:13:52,460 INFO L78 Accepts]: Start accepts. Automaton has 4841 states and 6450 transitions. Word has length 157 [2024-11-15 15:13:52,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 15:13:52,461 INFO L471 AbstractCegarLoop]: Abstraction has 4841 states and 6450 transitions. [2024-11-15 15:13:52,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-15 15:13:52,461 INFO L276 IsEmpty]: Start isEmpty. Operand 4841 states and 6450 transitions. [2024-11-15 15:13:52,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-15 15:13:52,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 15:13:52,463 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 15:13:52,483 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-15 15:13:52,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 15:13:52,664 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-15 15:13:52,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 15:13:52,664 INFO L85 PathProgramCache]: Analyzing trace with hash -298414011, now seen corresponding path program 1 times [2024-11-15 15:13:52,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 15:13:52,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542096943] [2024-11-15 15:13:52,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 15:13:52,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 15:13:52,758 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 15:13:52,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1048083368] [2024-11-15 15:13:52,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 15:13:52,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 15:13:52,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 15:13:52,764 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 15:13:52,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-15 15:13:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 15:13:53,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 15:13:53,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 15:13:53,772 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-11-15 15:13:53,773 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 15:13:53,773 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 15:13:53,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542096943] [2024-11-15 15:13:53,773 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 15:13:53,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048083368] [2024-11-15 15:13:53,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1048083368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 15:13:53,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 15:13:53,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 15:13:53,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59907106] [2024-11-15 15:13:53,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 15:13:53,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 15:13:53,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 15:13:53,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 15:13:53,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 15:13:53,777 INFO L87 Difference]: Start difference. First operand 4841 states and 6450 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, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-15 15:13:57,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-15 15:13:58,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 15:13:58,476 INFO L93 Difference]: Finished difference Result 14059 states and 18974 transitions. [2024-11-15 15:13:58,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 15:13:58,477 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, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 163 [2024-11-15 15:13:58,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 15:13:58,523 INFO L225 Difference]: With dead ends: 14059 [2024-11-15 15:13:58,523 INFO L226 Difference]: Without dead ends: 9245 [2024-11-15 15:13:58,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 15:13:58,545 INFO L432 NwaCegarLoop]: 1436 mSDtfsCounter, 1345 mSDsluCounter, 1357 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1345 SdHoareTripleChecker+Valid, 2793 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-15 15:13:58,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1345 Valid, 2793 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-15 15:13:58,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9245 states. [2024-11-15 15:13:58,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9245 to 9208. [2024-11-15 15:13:58,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9208 states, 6644 states have (on average 1.2382600842865743) internal successors, (8227), 6780 states have internal predecessors, (8227), 2042 states have call successors, (2042), 532 states have call predecessors, (2042), 519 states have return successors, (2224), 1955 states have call predecessors, (2224), 2038 states have call successors, (2224) [2024-11-15 15:13:58,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9208 states to 9208 states and 12493 transitions. [2024-11-15 15:13:58,936 INFO L78 Accepts]: Start accepts. Automaton has 9208 states and 12493 transitions. Word has length 163 [2024-11-15 15:13:58,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 15:13:58,936 INFO L471 AbstractCegarLoop]: Abstraction has 9208 states and 12493 transitions. [2024-11-15 15:13:58,937 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, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-15 15:13:58,937 INFO L276 IsEmpty]: Start isEmpty. Operand 9208 states and 12493 transitions. [2024-11-15 15:13:58,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-15 15:13:58,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 15:13:58,941 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 11, 11, 11, 11, 11, 11, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 15:13:58,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-15 15:13:59,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 15:13:59,142 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-15 15:13:59,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 15:13:59,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1808516112, now seen corresponding path program 1 times [2024-11-15 15:13:59,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 15:13:59,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329478896] [2024-11-15 15:13:59,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 15:13:59,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 15:13:59,251 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 15:13:59,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1313423373] [2024-11-15 15:13:59,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 15:13:59,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 15:13:59,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 15:13:59,253 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 15:13:59,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-15 15:13:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 15:13:59,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 15:13:59,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 15:14:00,366 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-11-15 15:14:00,366 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 15:14:00,366 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 15:14:00,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329478896] [2024-11-15 15:14:00,366 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 15:14:00,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313423373] [2024-11-15 15:14:00,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313423373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 15:14:00,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 15:14:00,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 15:14:00,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711293224] [2024-11-15 15:14:00,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 15:14:00,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 15:14:00,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 15:14:00,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 15:14:00,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 15:14:00,368 INFO L87 Difference]: Start difference. First operand 9208 states and 12493 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-15 15:14:04,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-15 15:14:05,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 15:14:05,803 INFO L93 Difference]: Finished difference Result 22675 states and 30637 transitions. [2024-11-15 15:14:05,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 15:14:05,803 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), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 175 [2024-11-15 15:14:05,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 15:14:05,881 INFO L225 Difference]: With dead ends: 22675 [2024-11-15 15:14:05,882 INFO L226 Difference]: Without dead ends: 13494 [2024-11-15 15:14:05,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 15:14:05,912 INFO L432 NwaCegarLoop]: 1696 mSDtfsCounter, 1247 mSDsluCounter, 1354 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1247 SdHoareTripleChecker+Valid, 3050 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-15 15:14:05,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1247 Valid, 3050 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 52 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-15 15:14:05,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13494 states. [2024-11-15 15:14:06,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13494 to 13453. [2024-11-15 15:14:06,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13453 states, 9706 states have (on average 1.2272820935503812) internal successors, (11912), 9930 states have internal predecessors, (11912), 2948 states have call successors, (2948), 815 states have call predecessors, (2948), 796 states have return successors, (3173), 2797 states have call predecessors, (3173), 2944 states have call successors, (3173) [2024-11-15 15:14:06,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13453 states to 13453 states and 18033 transitions. [2024-11-15 15:14:06,451 INFO L78 Accepts]: Start accepts. Automaton has 13453 states and 18033 transitions. Word has length 175 [2024-11-15 15:14:06,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 15:14:06,452 INFO L471 AbstractCegarLoop]: Abstraction has 13453 states and 18033 transitions. [2024-11-15 15:14:06,452 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), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-15 15:14:06,452 INFO L276 IsEmpty]: Start isEmpty. Operand 13453 states and 18033 transitions. [2024-11-15 15:14:06,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-15 15:14:06,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 15:14:06,456 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 15:14:06,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-15 15:14:06,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 15:14:06,657 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-15 15:14:06,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 15:14:06,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1428255954, now seen corresponding path program 1 times [2024-11-15 15:14:06,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 15:14:06,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932009209] [2024-11-15 15:14:06,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 15:14:06,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 15:14:06,726 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 15:14:06,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [307403372] [2024-11-15 15:14:06,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 15:14:06,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 15:14:06,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 15:14:06,729 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 15:14:06,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-15 15:14:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 15:14:07,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 15:14:07,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 15:14:07,869 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 615 trivial. 0 not checked. [2024-11-15 15:14:07,869 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 15:14:07,869 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 15:14:07,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932009209] [2024-11-15 15:14:07,870 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 15:14:07,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307403372] [2024-11-15 15:14:07,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307403372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 15:14:07,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 15:14:07,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 15:14:07,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254849811] [2024-11-15 15:14:07,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 15:14:07,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 15:14:07,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 15:14:07,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 15:14:07,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 15:14:07,871 INFO L87 Difference]: Start difference. First operand 13453 states and 18033 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-15 15:14:11,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-15 15:14:13,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 15:14:13,107 INFO L93 Difference]: Finished difference Result 37210 states and 50028 transitions. [2024-11-15 15:14:13,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 15:14:13,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 209 [2024-11-15 15:14:13,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 15:14:13,200 INFO L225 Difference]: With dead ends: 37210 [2024-11-15 15:14:13,201 INFO L226 Difference]: Without dead ends: 24761 [2024-11-15 15:14:13,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 15:14:13,239 INFO L432 NwaCegarLoop]: 2629 mSDtfsCounter, 1228 mSDsluCounter, 1368 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1228 SdHoareTripleChecker+Valid, 3997 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-15 15:14:13,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1228 Valid, 3997 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-15 15:14:13,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24761 states. [2024-11-15 15:14:14,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24761 to 24757. [2024-11-15 15:14:14,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24757 states, 17946 states have (on average 1.227348712805082) internal successors, (22026), 18298 states have internal predecessors, (22026), 5344 states have call successors, (5344), 1499 states have call predecessors, (5344), 1464 states have return successors, (5795), 5129 states have call predecessors, (5795), 5340 states have call successors, (5795) [2024-11-15 15:14:14,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24757 states to 24757 states and 33165 transitions. [2024-11-15 15:14:14,305 INFO L78 Accepts]: Start accepts. Automaton has 24757 states and 33165 transitions. Word has length 209 [2024-11-15 15:14:14,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 15:14:14,305 INFO L471 AbstractCegarLoop]: Abstraction has 24757 states and 33165 transitions. [2024-11-15 15:14:14,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-15 15:14:14,306 INFO L276 IsEmpty]: Start isEmpty. Operand 24757 states and 33165 transitions. [2024-11-15 15:14:14,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-15 15:14:14,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 15:14:14,309 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 15:14:14,327 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-15 15:14:14,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 15:14:14,509 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-15 15:14:14,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 15:14:14,510 INFO L85 PathProgramCache]: Analyzing trace with hash 494972080, now seen corresponding path program 1 times [2024-11-15 15:14:14,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 15:14:14,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605289261] [2024-11-15 15:14:14,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 15:14:14,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 15:14:14,587 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 15:14:14,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2047783909] [2024-11-15 15:14:14,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 15:14:14,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 15:14:14,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 15:14:14,589 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 15:14:14,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-15 15:14:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 15:14:15,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-15 15:14:15,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 15:14:23,161 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2024-11-15 15:14:23,161 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 15:14:23,162 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 15:14:23,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605289261] [2024-11-15 15:14:23,162 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 15:14:23,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047783909] [2024-11-15 15:14:23,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047783909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 15:14:23,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 15:14:23,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-15 15:14:23,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281578073] [2024-11-15 15:14:23,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 15:14:23,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-15 15:14:23,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 15:14:23,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-15 15:14:23,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-15 15:14:23,163 INFO L87 Difference]: Start difference. First operand 24757 states and 33165 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-15 15:14:24,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 15:14:24,635 INFO L93 Difference]: Finished difference Result 24763 states and 33170 transitions. [2024-11-15 15:14:24,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 15:14:24,635 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 209 [2024-11-15 15:14:24,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 15:14:24,712 INFO L225 Difference]: With dead ends: 24763 [2024-11-15 15:14:24,712 INFO L226 Difference]: Without dead ends: 24761 [2024-11-15 15:14:24,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-15 15:14:24,722 INFO L432 NwaCegarLoop]: 1398 mSDtfsCounter, 1310 mSDsluCounter, 2783 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1311 SdHoareTripleChecker+Valid, 4181 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-15 15:14:24,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1311 Valid, 4181 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-15 15:14:24,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24761 states. [2024-11-15 15:14:25,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24761 to 24761. [2024-11-15 15:14:25,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24761 states, 17949 states have (on average 1.2273107136887849) internal successors, (22029), 18301 states have internal predecessors, (22029), 5344 states have call successors, (5344), 1500 states have call predecessors, (5344), 1465 states have return successors, (5795), 5129 states have call predecessors, (5795), 5340 states have call successors, (5795) [2024-11-15 15:14:25,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24761 states to 24761 states and 33168 transitions. [2024-11-15 15:14:25,725 INFO L78 Accepts]: Start accepts. Automaton has 24761 states and 33168 transitions. Word has length 209 [2024-11-15 15:14:25,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 15:14:25,726 INFO L471 AbstractCegarLoop]: Abstraction has 24761 states and 33168 transitions. [2024-11-15 15:14:25,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-15 15:14:25,726 INFO L276 IsEmpty]: Start isEmpty. Operand 24761 states and 33168 transitions. [2024-11-15 15:14:25,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-15 15:14:25,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 15:14:25,729 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 15:14:25,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-15 15:14:25,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 15:14:25,930 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-15 15:14:25,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 15:14:25,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1713937496, now seen corresponding path program 1 times [2024-11-15 15:14:25,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 15:14:25,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703828577] [2024-11-15 15:14:25,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 15:14:25,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 15:14:26,115 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 15:14:26,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [343064044] [2024-11-15 15:14:26,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 15:14:26,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 15:14:26,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 15:14:26,117 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 15:14:26,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-15 15:14:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 15:14:26,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-15 15:14:26,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 15:14:34,426 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2024-11-15 15:14:34,426 INFO L311 TraceCheckSpWp]: Computing backward predicates...