./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '737f509bd25a9e06ce0273f44396be18568d5a5ccd53141342830e40e0488456'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 737f509bd25a9e06ce0273f44396be18568d5a5ccd53141342830e40e0488456 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 14:05:21,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 14:05:21,499 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 14:05:21,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 14:05:21,504 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 14:05:21,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 14:05:21,526 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 14:05:21,526 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 14:05:21,526 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 14:05:21,526 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 14:05:21,527 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 14:05:21,527 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 14:05:21,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 14:05:21,527 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 14:05:21,527 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 14:05:21,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 14:05:21,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 14:05:21,527 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 14:05:21,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 14:05:21,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 14:05:21,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 14:05:21,528 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 14:05:21,528 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 14:05:21,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 14:05:21,528 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 14:05:21,528 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 14:05:21,528 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 14:05:21,529 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 14:05:21,529 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 14:05:21,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 14:05:21,529 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 14:05:21,529 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 14:05:21,529 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 14:05:21,529 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 14:05:21,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 14:05:21,530 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 14:05:21,530 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 14:05:21,530 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 14:05:21,530 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 14:05:21,530 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 737f509bd25a9e06ce0273f44396be18568d5a5ccd53141342830e40e0488456 [2024-11-07 14:05:21,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 14:05:21,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 14:05:21,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 14:05:21,831 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 14:05:21,832 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 14:05:21,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i [2024-11-07 14:05:23,117 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 14:05:23,653 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 14:05:23,653 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i [2024-11-07 14:05:23,705 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c9087922a/5812ae5d0b48422daa6c04849fab7f94/FLAG44172e004 [2024-11-07 14:05:23,721 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c9087922a/5812ae5d0b48422daa6c04849fab7f94 [2024-11-07 14:05:23,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 14:05:23,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 14:05:23,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 14:05:23,727 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 14:05:23,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 14:05:23,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:05:23" (1/1) ... [2024-11-07 14:05:23,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:23, skipping insertion in model container [2024-11-07 14:05:23,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:05:23" (1/1) ... [2024-11-07 14:05:23,838 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 14:05:25,289 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i[292189,292202] [2024-11-07 14:05:25,294 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i[292358,292371] [2024-11-07 14:05:25,296 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i[292525,292538] [2024-11-07 14:05:25,296 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i[292693,292706] [2024-11-07 14:05:25,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 14:05:25,315 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 14:05:25,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6219] [2024-11-07 14:05:25,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6222] [2024-11-07 14:05:25,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6225] [2024-11-07 14:05:25,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6228] [2024-11-07 14:05:25,493 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] [2024-11-07 14:05:25,494 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] [2024-11-07 14:05:25,494 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] [2024-11-07 14:05:25,495 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] [2024-11-07 14:05:25,495 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] [2024-11-07 14:05:25,496 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] [2024-11-07 14:05:25,497 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] [2024-11-07 14:05:25,497 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] [2024-11-07 14:05:25,639 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i[292189,292202] [2024-11-07 14:05:25,641 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i[292358,292371] [2024-11-07 14:05:25,641 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i[292525,292538] [2024-11-07 14:05:25,690 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i[292693,292706] [2024-11-07 14:05:25,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 14:05:25,793 INFO L204 MainTranslator]: Completed translation [2024-11-07 14:05:25,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:25 WrapperNode [2024-11-07 14:05:25,795 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 14:05:25,795 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 14:05:25,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 14:05:25,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 14:05:25,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:25" (1/1) ... [2024-11-07 14:05:25,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:25" (1/1) ... [2024-11-07 14:05:26,045 INFO L138 Inliner]: procedures = 327, calls = 936, calls flagged for inlining = 153, calls inlined = 140, statements flattened = 2835 [2024-11-07 14:05:26,045 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 14:05:26,046 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 14:05:26,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 14:05:26,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 14:05:26,055 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:25" (1/1) ... [2024-11-07 14:05:26,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:25" (1/1) ... [2024-11-07 14:05:26,083 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:25" (1/1) ... [2024-11-07 14:05:26,539 INFO L175 MemorySlicer]: Split 272 memory accesses to 11 slices as follows [52, 14, 2, 1, 25, 2, 5, 158, 6, 2, 5]. 58 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [0, 0, 0, 1, 0, 2, 0, 0, 6, 1, 0]. The 123 writes are split as follows [52, 12, 1, 0, 23, 0, 5, 26, 0, 0, 4]. [2024-11-07 14:05:26,541 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:25" (1/1) ... [2024-11-07 14:05:26,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:25" (1/1) ... [2024-11-07 14:05:26,625 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:25" (1/1) ... [2024-11-07 14:05:26,645 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:25" (1/1) ... [2024-11-07 14:05:26,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:25" (1/1) ... [2024-11-07 14:05:26,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:25" (1/1) ... [2024-11-07 14:05:26,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 14:05:26,711 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 14:05:26,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 14:05:26,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 14:05:26,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:25" (1/1) ... [2024-11-07 14:05:26,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 14:05:26,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 14:05:26,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 14:05:26,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 14:05:26,785 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-07 14:05:26,786 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-07 14:05:26,786 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-11-07 14:05:26,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-11-07 14:05:26,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 14:05:26,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 14:05:26,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 14:05:26,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 14:05:26,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 14:05:26,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 14:05:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 14:05:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-07 14:05:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-07 14:05:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-07 14:05:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-07 14:05:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-07 14:05:26,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-07 14:05:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-07 14:05:26,789 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-07 14:05:26,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-07 14:05:26,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-07 14:05:26,790 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-07 14:05:26,790 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-07 14:05:26,790 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_request [2024-11-07 14:05:26,790 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_request [2024-11-07 14:05:26,790 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2024-11-07 14:05:26,790 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2024-11-07 14:05:26,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-07 14:05:26,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-07 14:05:26,790 INFO L130 BoogieDeclarations]: Found specification of procedure cw1200_spi_irq_unsubscribe [2024-11-07 14:05:26,790 INFO L138 BoogieDeclarations]: Found implementation of procedure cw1200_spi_irq_unsubscribe [2024-11-07 14:05:26,791 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-07 14:05:26,791 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-07 14:05:26,791 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~int [2024-11-07 14:05:26,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~int [2024-11-07 14:05:26,791 INFO L130 BoogieDeclarations]: Found specification of procedure cw1200_spi_unlock [2024-11-07 14:05:26,792 INFO L138 BoogieDeclarations]: Found implementation of procedure cw1200_spi_unlock [2024-11-07 14:05:26,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-07 14:05:26,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-07 14:05:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2024-11-07 14:05:26,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2024-11-07 14:05:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 14:05:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2024-11-07 14:05:26,793 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2024-11-07 14:05:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 14:05:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 14:05:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 14:05:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 14:05:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 14:05:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 14:05:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 14:05:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 14:05:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-07 14:05:26,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-07 14:05:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-07 14:05:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-07 14:05:26,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-07 14:05:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-07 14:05:26,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-07 14:05:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_hwbus_priv [2024-11-07 14:05:26,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_hwbus_priv [2024-11-07 14:05:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 14:05:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 14:05:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 14:05:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 14:05:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 14:05:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 14:05:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 14:05:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 14:05:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-07 14:05:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-07 14:05:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-07 14:05:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-07 14:05:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-07 14:05:26,794 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-07 14:05:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2024-11-07 14:05:26,794 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2024-11-07 14:05:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-07 14:05:26,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-07 14:05:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-07 14:05:26,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-07 14:05:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-07 14:05:26,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-07 14:05:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-07 14:05:26,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-07 14:05:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure cw1200_spi_probe [2024-11-07 14:05:26,795 INFO L138 BoogieDeclarations]: Found implementation of procedure cw1200_spi_probe [2024-11-07 14:05:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 14:05:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 14:05:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 14:05:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 14:05:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 14:05:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 14:05:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 14:05:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-07 14:05:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-07 14:05:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-07 14:05:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-07 14:05:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-07 14:05:26,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-07 14:05:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 14:05:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 14:05:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 14:05:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 14:05:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 14:05:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 14:05:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 14:05:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 14:05:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-07 14:05:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-07 14:05:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-07 14:05:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2024-11-07 14:05:26,796 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2024-11-07 14:05:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-07 14:05:26,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-07 14:05:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-07 14:05:26,796 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-07 14:05:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 14:05:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 14:05:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 14:05:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 14:05:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 14:05:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 14:05:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 14:05:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 14:05:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-07 14:05:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-07 14:05:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-07 14:05:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure cw1200_spi_disconnect [2024-11-07 14:05:26,801 INFO L138 BoogieDeclarations]: Found implementation of procedure cw1200_spi_disconnect [2024-11-07 14:05:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-07 14:05:26,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-07 14:05:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-07 14:05:26,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-07 14:05:26,802 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2024-11-07 14:05:26,803 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2024-11-07 14:05:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_output [2024-11-07 14:05:26,803 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_output [2024-11-07 14:05:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-07 14:05:26,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-07 14:05:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure cw1200_spi_off [2024-11-07 14:05:26,803 INFO L138 BoogieDeclarations]: Found implementation of procedure cw1200_spi_off [2024-11-07 14:05:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 14:05:26,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-07 14:05:26,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-07 14:05:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-07 14:05:26,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-07 14:05:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2024-11-07 14:05:26,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2024-11-07 14:05:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 14:05:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-07 14:05:26,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-07 14:05:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 14:05:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 14:05:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 14:05:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 14:05:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 14:05:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 14:05:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 14:05:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 14:05:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-07 14:05:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-07 14:05:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-07 14:05:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2024-11-07 14:05:26,804 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2024-11-07 14:05:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-07 14:05:26,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-07 14:05:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-07 14:05:26,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-07 14:05:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2024-11-07 14:05:26,804 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2024-11-07 14:05:26,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-07 14:05:26,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-07 14:05:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-07 14:05:26,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-07 14:05:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure cw1200_spi_lock [2024-11-07 14:05:26,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cw1200_spi_lock [2024-11-07 14:05:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-07 14:05:26,805 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-07 14:05:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure cw1200_spi_resume [2024-11-07 14:05:26,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cw1200_spi_resume [2024-11-07 14:05:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_spi_driver_exit_9_2 [2024-11-07 14:05:26,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_spi_driver_exit_9_2 [2024-11-07 14:05:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure cw1200_spi_pm [2024-11-07 14:05:26,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cw1200_spi_pm [2024-11-07 14:05:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 14:05:26,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 14:05:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 14:05:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 14:05:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 14:05:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 14:05:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 14:05:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 14:05:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-07 14:05:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-07 14:05:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-07 14:05:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-07 14:05:26,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-07 14:05:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 14:05:26,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 14:05:27,458 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 14:05:27,462 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 14:05:27,491 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-07 14:05:38,741 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-07 14:05:39,554 INFO L? ?]: Removed 1145 outVars from TransFormulas that were not future-live. [2024-11-07 14:05:39,554 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 14:05:39,593 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 14:05:39,593 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-07 14:05:39,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:05:39 BoogieIcfgContainer [2024-11-07 14:05:39,594 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 14:05:39,599 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 14:05:39,599 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 14:05:39,603 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 14:05:39,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:05:23" (1/3) ... [2024-11-07 14:05:39,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f3a079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:05:39, skipping insertion in model container [2024-11-07 14:05:39,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:25" (2/3) ... [2024-11-07 14:05:39,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f3a079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:05:39, skipping insertion in model container [2024-11-07 14:05:39,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:05:39" (3/3) ... [2024-11-07 14:05:39,607 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i [2024-11-07 14:05:39,622 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 14:05:39,622 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-07 14:05:39,715 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 14:05:39,727 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;@45b0d69f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 14:05:39,728 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-07 14:05:39,738 INFO L276 IsEmpty]: Start isEmpty. Operand has 1085 states, 776 states have (on average 1.2796391752577319) internal successors, (993), 786 states have internal predecessors, (993), 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) [2024-11-07 14:05:39,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-07 14:05:39,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 14:05:39,755 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] [2024-11-07 14:05:39,756 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)] === [2024-11-07 14:05:39,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 14:05:39,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1431759702, now seen corresponding path program 1 times [2024-11-07 14:05:39,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 14:05:39,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847195704] [2024-11-07 14:05:39,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 14:05:39,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 14:05:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:40,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 14:05:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:40,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:05:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:40,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 14:05:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:40,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:05:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:40,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 14:05:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:40,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:05:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:40,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 14:05:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:40,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:05:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:40,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 14:05:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:40,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:05:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:40,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-07 14:05:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:40,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:05:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:40,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 14:05:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:41,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:05:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:41,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 14:05:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:41,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:05:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:41,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-07 14:05:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:41,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:05:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:41,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 14:05:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:41,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:05:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:41,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 14:05:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:41,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:05:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:41,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 14:05:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:41,179 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-11-07 14:05:41,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 14:05:41,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847195704] [2024-11-07 14:05:41,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847195704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 14:05:41,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 14:05:41,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 14:05:41,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935741227] [2024-11-07 14:05:41,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 14:05:41,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 14:05:41,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 14:05:41,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 14:05:41,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 14:05:41,213 INFO L87 Difference]: Start difference. First operand has 1085 states, 776 states have (on average 1.2796391752577319) internal successors, (993), 786 states have internal predecessors, (993), 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 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 14:05:42,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 14:05:44,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 14:05:49,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 14:05:53,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 14:05:57,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 14:05:58,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 14:05:59,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 14:05:59,121 INFO L93 Difference]: Finished difference Result 3000 states and 4237 transitions. [2024-11-07 14:05:59,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 14:05:59,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 151 [2024-11-07 14:05:59,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 14:05:59,155 INFO L225 Difference]: With dead ends: 3000 [2024-11-07 14:05:59,157 INFO L226 Difference]: Without dead ends: 1926 [2024-11-07 14:05:59,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 14:05:59,173 INFO L432 NwaCegarLoop]: 1216 mSDtfsCounter, 1324 mSDsluCounter, 1693 mSDsCounter, 0 mSdLazyCounter, 1107 mSolverCounterSat, 524 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1498 SdHoareTripleChecker+Valid, 2909 SdHoareTripleChecker+Invalid, 1633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 524 IncrementalHoareTripleChecker+Valid, 1107 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2024-11-07 14:05:59,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1498 Valid, 2909 Invalid, 1633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [524 Valid, 1107 Invalid, 2 Unknown, 0 Unchecked, 17.6s Time] [2024-11-07 14:05:59,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1926 states. [2024-11-07 14:05:59,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1926 to 1857. [2024-11-07 14:05:59,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1857 states, 1339 states have (on average 1.2471994025392084) internal successors, (1670), 1362 states have internal predecessors, (1670), 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) [2024-11-07 14:05:59,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1857 states and 2502 transitions. [2024-11-07 14:05:59,387 INFO L78 Accepts]: Start accepts. Automaton has 1857 states and 2502 transitions. Word has length 151 [2024-11-07 14:05:59,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 14:05:59,388 INFO L471 AbstractCegarLoop]: Abstraction has 1857 states and 2502 transitions. [2024-11-07 14:05:59,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 14:05:59,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2502 transitions. [2024-11-07 14:05:59,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-07 14:05:59,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 14:05:59,395 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] [2024-11-07 14:05:59,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 14:05:59,396 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)] === [2024-11-07 14:05:59,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 14:05:59,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1091797564, now seen corresponding path program 1 times [2024-11-07 14:05:59,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 14:05:59,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256975789] [2024-11-07 14:05:59,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 14:05:59,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 14:05:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 14:05:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:05:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 14:05:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:05:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 14:05:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:05:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 14:05:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:05:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 14:05:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:05:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-07 14:05:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:05:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 14:05:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:05:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 14:05:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:05:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-07 14:05:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:05:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 14:05:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:05:59,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 14:05:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:05:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 14:05:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 14:05:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:05:59,927 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-11-07 14:05:59,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 14:05:59,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256975789] [2024-11-07 14:05:59,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256975789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 14:05:59,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 14:05:59,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 14:05:59,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717158689] [2024-11-07 14:05:59,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 14:05:59,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 14:05:59,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 14:05:59,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 14:05:59,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 14:05:59,931 INFO L87 Difference]: Start difference. First operand 1857 states and 2502 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-07 14:06:01,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 14:06:02,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 14:06:06,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 14:06:10,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 14:06:14,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 14:06:15,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 14:06:15,381 INFO L93 Difference]: Finished difference Result 5454 states and 7386 transitions. [2024-11-07 14:06:15,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 14:06:15,383 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 151 [2024-11-07 14:06:15,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 14:06:15,412 INFO L225 Difference]: With dead ends: 5454 [2024-11-07 14:06:15,412 INFO L226 Difference]: Without dead ends: 3624 [2024-11-07 14:06:15,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 14:06:15,420 INFO L432 NwaCegarLoop]: 1171 mSDtfsCounter, 1540 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 485 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1730 SdHoareTripleChecker+Valid, 2895 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 485 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2024-11-07 14:06:15,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1730 Valid, 2895 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [485 Valid, 903 Invalid, 2 Unknown, 0 Unchecked, 15.2s Time] [2024-11-07 14:06:15,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3624 states. [2024-11-07 14:06:15,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3624 to 3536. [2024-11-07 14:06:15,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3536 states, 2570 states have (on average 1.2470817120622568) internal successors, (3205), 2608 states have internal predecessors, (3205), 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) [2024-11-07 14:06:15,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 3536 states and 4745 transitions. [2024-11-07 14:06:15,622 INFO L78 Accepts]: Start accepts. Automaton has 3536 states and 4745 transitions. Word has length 151 [2024-11-07 14:06:15,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 14:06:15,623 INFO L471 AbstractCegarLoop]: Abstraction has 3536 states and 4745 transitions. [2024-11-07 14:06:15,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-07 14:06:15,623 INFO L276 IsEmpty]: Start isEmpty. Operand 3536 states and 4745 transitions. [2024-11-07 14:06:15,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-07 14:06:15,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 14:06:15,627 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] [2024-11-07 14:06:15,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 14:06:15,628 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)] === [2024-11-07 14:06:15,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 14:06:15,628 INFO L85 PathProgramCache]: Analyzing trace with hash -578237576, now seen corresponding path program 1 times [2024-11-07 14:06:15,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 14:06:15,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804221528] [2024-11-07 14:06:15,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 14:06:15,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 14:06:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:15,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 14:06:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:15,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:15,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 14:06:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:15,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:15,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 14:06:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:15,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:15,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 14:06:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:15,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:15,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 14:06:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:15,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:15,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-07 14:06:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:15,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:15,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 14:06:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:15,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:15,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 14:06:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:15,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:15,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-07 14:06:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:15,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:15,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 14:06:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:15,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:15,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 14:06:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:15,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:15,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 14:06:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:15,968 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-11-07 14:06:15,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 14:06:15,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804221528] [2024-11-07 14:06:15,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804221528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 14:06:15,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 14:06:15,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 14:06:15,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754353141] [2024-11-07 14:06:15,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 14:06:15,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 14:06:15,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 14:06:15,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 14:06:15,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 14:06:15,970 INFO L87 Difference]: Start difference. First operand 3536 states and 4745 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 14:06:19,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 14:06:25,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 14:06:29,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 14:06:29,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 14:06:29,672 INFO L93 Difference]: Finished difference Result 8537 states and 11490 transitions. [2024-11-07 14:06:29,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 14:06:29,673 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 157 [2024-11-07 14:06:29,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 14:06:29,711 INFO L225 Difference]: With dead ends: 8537 [2024-11-07 14:06:29,711 INFO L226 Difference]: Without dead ends: 5028 [2024-11-07 14:06:29,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 14:06:29,730 INFO L432 NwaCegarLoop]: 1173 mSDtfsCounter, 1435 mSDsluCounter, 1739 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 531 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1618 SdHoareTripleChecker+Valid, 2912 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 531 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2024-11-07 14:06:29,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1618 Valid, 2912 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [531 Valid, 913 Invalid, 2 Unknown, 0 Unchecked, 13.4s Time] [2024-11-07 14:06:29,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5028 states. [2024-11-07 14:06:29,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5028 to 4873. [2024-11-07 14:06:29,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4873 states, 3519 states have (on average 1.2367149758454106) internal successors, (4352), 3582 states have internal predecessors, (4352), 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) [2024-11-07 14:06:29,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4873 states to 4873 states and 6496 transitions. [2024-11-07 14:06:29,963 INFO L78 Accepts]: Start accepts. Automaton has 4873 states and 6496 transitions. Word has length 157 [2024-11-07 14:06:29,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 14:06:29,965 INFO L471 AbstractCegarLoop]: Abstraction has 4873 states and 6496 transitions. [2024-11-07 14:06:29,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-07 14:06:29,965 INFO L276 IsEmpty]: Start isEmpty. Operand 4873 states and 6496 transitions. [2024-11-07 14:06:29,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-07 14:06:29,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 14:06:29,970 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] [2024-11-07 14:06:29,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 14:06:29,970 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)] === [2024-11-07 14:06:29,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 14:06:29,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1347631256, now seen corresponding path program 1 times [2024-11-07 14:06:29,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 14:06:29,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117152152] [2024-11-07 14:06:29,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 14:06:29,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 14:06:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 14:06:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 14:06:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 14:06:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 14:06:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 14:06:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-07 14:06:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 14:06:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 14:06:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-07 14:06:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 14:06:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 14:06:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 14:06:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 14:06:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-07 14:06:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:30,486 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-11-07 14:06:30,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 14:06:30,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117152152] [2024-11-07 14:06:30,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117152152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 14:06:30,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 14:06:30,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 14:06:30,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001625883] [2024-11-07 14:06:30,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 14:06:30,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 14:06:30,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 14:06:30,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 14:06:30,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 14:06:30,489 INFO L87 Difference]: Start difference. First operand 4873 states and 6496 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-07 14:06:32,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 14:06:36,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 14:06:41,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 14:06:42,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 14:06:48,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 14:06:48,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 14:06:48,120 INFO L93 Difference]: Finished difference Result 14365 states and 19501 transitions. [2024-11-07 14:06:48,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 14:06:48,120 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 163 [2024-11-07 14:06:48,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 14:06:48,180 INFO L225 Difference]: With dead ends: 14365 [2024-11-07 14:06:48,180 INFO L226 Difference]: Without dead ends: 9519 [2024-11-07 14:06:48,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 14:06:48,199 INFO L432 NwaCegarLoop]: 1196 mSDtfsCounter, 1611 mSDsluCounter, 1780 mSDsCounter, 0 mSdLazyCounter, 887 mSolverCounterSat, 567 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1782 SdHoareTripleChecker+Valid, 2976 SdHoareTripleChecker+Invalid, 1457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 567 IncrementalHoareTripleChecker+Valid, 887 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2024-11-07 14:06:48,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1782 Valid, 2976 Invalid, 1457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [567 Valid, 887 Invalid, 3 Unknown, 0 Unchecked, 17.3s Time] [2024-11-07 14:06:48,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9519 states. [2024-11-07 14:06:48,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9519 to 9350. [2024-11-07 14:06:48,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9350 states, 6756 states have (on average 1.2384547069271759) internal successors, (8367), 6898 states have internal predecessors, (8367), 2054 states have call successors, (2054), 532 states have call predecessors, (2054), 537 states have return successors, (2398), 1973 states have call predecessors, (2398), 2050 states have call successors, (2398) [2024-11-07 14:06:48,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9350 states to 9350 states and 12819 transitions. [2024-11-07 14:06:48,601 INFO L78 Accepts]: Start accepts. Automaton has 9350 states and 12819 transitions. Word has length 163 [2024-11-07 14:06:48,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 14:06:48,601 INFO L471 AbstractCegarLoop]: Abstraction has 9350 states and 12819 transitions. [2024-11-07 14:06:48,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-07 14:06:48,602 INFO L276 IsEmpty]: Start isEmpty. Operand 9350 states and 12819 transitions. [2024-11-07 14:06:48,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-07 14:06:48,606 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 14:06:48,606 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] [2024-11-07 14:06:48,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 14:06:48,607 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)] === [2024-11-07 14:06:48,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 14:06:48,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1229552990, now seen corresponding path program 1 times [2024-11-07 14:06:48,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 14:06:48,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130941585] [2024-11-07 14:06:48,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 14:06:48,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 14:06:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 14:06:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 14:06:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 14:06:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-07 14:06:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 14:06:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-07 14:06:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 14:06:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 14:06:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-07 14:06:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 14:06:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 14:06:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 14:06:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-07 14:06:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 14:06:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:48,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 14:06:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 14:06:49,006 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 564 trivial. 0 not checked. [2024-11-07 14:06:49,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 14:06:49,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130941585] [2024-11-07 14:06:49,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130941585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 14:06:49,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 14:06:49,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 14:06:49,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065320261] [2024-11-07 14:06:49,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 14:06:49,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 14:06:49,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 14:06:49,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 14:06:49,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 14:06:49,008 INFO L87 Difference]: Start difference. First operand 9350 states and 12819 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-07 14:06:53,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []