./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.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', '915f0586f949e48c77b2ad32406f83bea8431367172226a976e54d2db72122f7'] 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.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 915f0586f949e48c77b2ad32406f83bea8431367172226a976e54d2db72122f7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 13:46:42,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 13:46:42,623 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 13:46:42,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 13:46:42,629 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 13:46:42,658 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 13:46:42,659 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 13:46:42,659 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 13:46:42,660 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 13:46:42,660 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 13:46:42,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 13:46:42,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 13:46:42,660 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 13:46:42,660 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 13:46:42,660 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 13:46:42,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 13:46:42,660 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 13:46:42,661 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 13:46:42,661 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 13:46:42,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 13:46:42,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 13:46:42,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 13:46:42,661 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 13:46:42,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 13:46:42,661 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 13:46:42,661 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 13:46:42,661 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 13:46:42,661 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 13:46:42,661 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 13:46:42,661 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 13:46:42,662 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 13:46:42,662 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 13:46:42,662 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 13:46:42,662 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 13:46:42,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 13:46:42,662 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 13:46:42,662 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 13:46:42,664 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 13:46:42,664 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 13:46:42,664 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 -> 915f0586f949e48c77b2ad32406f83bea8431367172226a976e54d2db72122f7 [2024-11-07 13:46:42,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 13:46:42,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 13:46:42,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 13:46:42,972 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 13:46:42,972 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 13:46:42,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2024-11-07 13:46:44,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 13:46:44,826 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 13:46:44,827 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2024-11-07 13:46:44,878 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/10e539c8d/703d4c9e85dc4e8ca889f9258d2f2f20/FLAGe9d33b6c7 [2024-11-07 13:46:44,897 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/10e539c8d/703d4c9e85dc4e8ca889f9258d2f2f20 [2024-11-07 13:46:44,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 13:46:44,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 13:46:44,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 13:46:44,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 13:46:44,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 13:46:44,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:46:44" (1/1) ... [2024-11-07 13:46:44,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8912a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:44, skipping insertion in model container [2024-11-07 13:46:44,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:46:44" (1/1) ... [2024-11-07 13:46:45,022 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 13:46:45,961 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i[215646,215659] [2024-11-07 13:46:46,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 13:46:46,042 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 13:46:46,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3951-3952] [2024-11-07 13:46:46,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4068] [2024-11-07 13:46:46,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4071] [2024-11-07 13:46:46,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4074] [2024-11-07 13:46:46,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4077] [2024-11-07 13:46:46,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [4102] [2024-11-07 13:46:46,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [4105] [2024-11-07 13:46:46,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [4108] [2024-11-07 13:46:46,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [4111] [2024-11-07 13:46:46,342 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i[215646,215659] [2024-11-07 13:46:46,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 13:46:46,423 INFO L204 MainTranslator]: Completed translation [2024-11-07 13:46:46,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:46 WrapperNode [2024-11-07 13:46:46,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 13:46:46,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 13:46:46,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 13:46:46,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 13:46:46,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:46" (1/1) ... [2024-11-07 13:46:46,483 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:46" (1/1) ... [2024-11-07 13:46:46,615 INFO L138 Inliner]: procedures = 180, calls = 1538, calls flagged for inlining = 71, calls inlined = 66, statements flattened = 4498 [2024-11-07 13:46:46,617 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 13:46:46,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 13:46:46,618 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 13:46:46,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 13:46:46,626 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:46" (1/1) ... [2024-11-07 13:46:46,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:46" (1/1) ... [2024-11-07 13:46:46,676 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:46" (1/1) ... [2024-11-07 13:46:47,097 INFO L175 MemorySlicer]: Split 770 memory accesses to 11 slices as follows [2, 1, 119, 38, 27, 146, 2, 2, 427, 3, 3]. 55 percent of accesses are in the largest equivalence class. The 71 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 66, 3, 0]. The 431 writes are split as follows [0, 0, 102, 2, 27, 146, 1, 1, 151, 0, 1]. [2024-11-07 13:46:47,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:46" (1/1) ... [2024-11-07 13:46:47,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:46" (1/1) ... [2024-11-07 13:46:47,208 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:46" (1/1) ... [2024-11-07 13:46:47,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:46" (1/1) ... [2024-11-07 13:46:47,272 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:46" (1/1) ... [2024-11-07 13:46:47,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:46" (1/1) ... [2024-11-07 13:46:47,331 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 13:46:47,332 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 13:46:47,332 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 13:46:47,332 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 13:46:47,371 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:46" (1/1) ... [2024-11-07 13:46:47,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 13:46:47,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 13:46:47,407 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 13:46:47,414 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 13:46:47,432 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-07 13:46:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-07 13:46:47,432 INFO L130 BoogieDeclarations]: Found specification of procedure digi_disconnect [2024-11-07 13:46:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_disconnect [2024-11-07 13:46:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 13:46:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 13:46:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 13:46:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 13:46:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 13:46:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 13:46:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 13:46:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-07 13:46:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-07 13:46:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-07 13:46:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-07 13:46:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure digi_break_ctl [2024-11-07 13:46:47,434 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_break_ctl [2024-11-07 13:46:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-07 13:46:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-07 13:46:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-07 13:46:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-07 13:46:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-07 13:46:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-07 13:46:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-07 13:46:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-07 13:46:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-07 13:46:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-07 13:46:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-07 13:46:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure cond_wait_interruptible_timeout_irqrestore [2024-11-07 13:46:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure cond_wait_interruptible_timeout_irqrestore [2024-11-07 13:46:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 13:46:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 13:46:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 13:46:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 13:46:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 13:46:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 13:46:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 13:46:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-07 13:46:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-07 13:46:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-07 13:46:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-07 13:46:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-07 13:46:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-07 13:46:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 13:46:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 13:46:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 13:46:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 13:46:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 13:46:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 13:46:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 13:46:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 13:46:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-07 13:46:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-07 13:46:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-07 13:46:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-07 13:46:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-07 13:46:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure digi_rx_throttle [2024-11-07 13:46:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_rx_throttle [2024-11-07 13:46:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2024-11-07 13:46:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2024-11-07 13:46:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-07 13:46:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-07 13:46:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-07 13:46:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-07 13:46:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-07 13:46:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-07 13:46:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-07 13:46:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-07 13:46:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-07 13:46:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-07 13:46:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-07 13:46:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-07 13:46:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-07 13:46:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-07 13:46:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-07 13:46:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-07 13:46:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-07 13:46:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-07 13:46:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-07 13:46:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-07 13:46:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-07 13:46:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-07 13:46:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-07 13:46:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-07 13:46:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-07 13:46:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-07 13:46:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure digi_startup [2024-11-07 13:46:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_startup [2024-11-07 13:46:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-07 13:46:47,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-07 13:46:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2024-11-07 13:46:47,439 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2024-11-07 13:46:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure digi_open [2024-11-07 13:46:47,439 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_open [2024-11-07 13:46:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-07 13:46:47,439 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-07 13:46:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-07 13:46:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-07 13:46:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-11-07 13:46:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-11-07 13:46:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-07 13:46:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-07 13:46:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2024-11-07 13:46:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2024-11-07 13:46:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure digi_read_bulk_callback [2024-11-07 13:46:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_read_bulk_callback [2024-11-07 13:46:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 13:46:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 13:46:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 13:46:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 13:46:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 13:46:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 13:46:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 13:46:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 13:46:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-07 13:46:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-07 13:46:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-07 13:46:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-07 13:46:47,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-07 13:46:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-07 13:46:47,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-07 13:46:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_bulk_callback [2024-11-07 13:46:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_bulk_callback [2024-11-07 13:46:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-07 13:46:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-07 13:46:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write [2024-11-07 13:46:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write [2024-11-07 13:46:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure digi_set_termios [2024-11-07 13:46:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_set_termios [2024-11-07 13:46:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure digi_wakeup_write_lock [2024-11-07 13:46:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_wakeup_write_lock [2024-11-07 13:46:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_room [2024-11-07 13:46:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_room [2024-11-07 13:46:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-07 13:46:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-07 13:46:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 13:46:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 13:46:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure digi_close [2024-11-07 13:46:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_close [2024-11-07 13:46:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure digi_tiocmset [2024-11-07 13:46:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_tiocmset [2024-11-07 13:46:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure digi_tiocmget [2024-11-07 13:46:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_tiocmget [2024-11-07 13:46:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 13:46:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-07 13:46:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-07 13:46:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-07 13:46:47,443 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-07 13:46:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure digi_set_modem_signals [2024-11-07 13:46:47,443 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_set_modem_signals [2024-11-07 13:46:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2024-11-07 13:46:47,443 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2024-11-07 13:46:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 13:46:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_probe [2024-11-07 13:46:47,443 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_probe [2024-11-07 13:46:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 13:46:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 13:46:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 13:46:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 13:46:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 13:46:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 13:46:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 13:46:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 13:46:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 13:46:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-07 13:46:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-07 13:46:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-07 13:46:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure digi_release [2024-11-07 13:46:47,444 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_release [2024-11-07 13:46:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-11-07 13:46:47,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-11-07 13:46:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_inb_command [2024-11-07 13:46:47,445 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_inb_command [2024-11-07 13:46:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_oob_command [2024-11-07 13:46:47,445 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_oob_command [2024-11-07 13:46:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 13:46:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 13:46:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 13:46:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 13:46:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 13:46:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 13:46:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 13:46:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 13:46:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-07 13:46:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-07 13:46:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-07 13:46:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-07 13:46:47,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-07 13:46:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_init [2024-11-07 13:46:47,445 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_init [2024-11-07 13:46:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-07 13:46:47,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-07 13:46:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2024-11-07 13:46:47,445 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2024-11-07 13:46:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-07 13:46:47,445 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-07 13:46:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 13:46:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure digi_rx_unthrottle [2024-11-07 13:46:47,445 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_rx_unthrottle [2024-11-07 13:46:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 13:46:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 13:46:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 13:46:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 13:46:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 13:46:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 13:46:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 13:46:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-07 13:46:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-07 13:46:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-07 13:46:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-07 13:46:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2024-11-07 13:46:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2024-11-07 13:46:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure digi_dtr_rts [2024-11-07 13:46:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_dtr_rts [2024-11-07 13:46:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-07 13:46:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-07 13:46:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure digi_chars_in_buffer [2024-11-07 13:46:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_chars_in_buffer [2024-11-07 13:46:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-07 13:46:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-07 13:46:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-07 13:46:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-07 13:46:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-11-07 13:46:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-11-07 13:46:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-07 13:46:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-07 13:46:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2024-11-07 13:46:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2024-11-07 13:46:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_remove [2024-11-07 13:46:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_remove [2024-11-07 13:46:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-07 13:46:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-07 13:46:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2024-11-07 13:46:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2024-11-07 13:46:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 13:46:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 13:46:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 13:46:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 13:46:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 13:46:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 13:46:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 13:46:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 13:46:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-07 13:46:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-07 13:46:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-07 13:46:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2024-11-07 13:46:47,450 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2024-11-07 13:46:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2024-11-07 13:46:47,450 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2024-11-07 13:46:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-07 13:46:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-07 13:46:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-07 13:46:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-07 13:46:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-07 13:46:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-07 13:46:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-07 13:46:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-07 13:46:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-07 13:46:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-07 13:46:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-07 13:46:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2024-11-07 13:46:47,451 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2024-11-07 13:46:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 13:46:47,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 13:46:48,065 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 13:46:48,068 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 13:46:48,258 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-07 13:47:00,441 INFO L? ?]: Removed 1369 outVars from TransFormulas that were not future-live. [2024-11-07 13:47:00,441 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 13:47:00,498 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 13:47:00,498 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 13:47:00,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:47:00 BoogieIcfgContainer [2024-11-07 13:47:00,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 13:47:00,503 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 13:47:00,503 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 13:47:00,508 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 13:47:00,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:46:44" (1/3) ... [2024-11-07 13:47:00,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b00829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:47:00, skipping insertion in model container [2024-11-07 13:47:00,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:46:46" (2/3) ... [2024-11-07 13:47:00,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b00829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:47:00, skipping insertion in model container [2024-11-07 13:47:00,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:47:00" (3/3) ... [2024-11-07 13:47:00,513 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2024-11-07 13:47:00,525 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 13:47:00,526 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 13:47:00,618 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 13:47:00,630 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;@5be7b31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 13:47:00,630 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 13:47:00,643 INFO L276 IsEmpty]: Start isEmpty. Operand has 1560 states, 1130 states have (on average 1.4256637168141593) internal successors, (1611), 1150 states have internal predecessors, (1611), 365 states have call successors, (365), 64 states have call predecessors, (365), 63 states have return successors, (360), 356 states have call predecessors, (360), 360 states have call successors, (360) [2024-11-07 13:47:00,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-07 13:47:00,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:47:00,666 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:47:00,666 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:47:00,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:47:00,671 INFO L85 PathProgramCache]: Analyzing trace with hash -287343303, now seen corresponding path program 1 times [2024-11-07 13:47:00,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:47:00,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403247726] [2024-11-07 13:47:00,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:47:00,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:47:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:47:03,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:47:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:47:04,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:47:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:47:04,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:47:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:47:04,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 13:47:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:47:04,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:47:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:47:04,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:47:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:47:04,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 13:47:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:47:04,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:47:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:47:04,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:47:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:47:04,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 13:47:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:47:04,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:47:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:47:04,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:47:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:47:04,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 13:47:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:47:04,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-07 13:47:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:47:04,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 13:47:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:47:04,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 13:47:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:47:04,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 13:47:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:47:04,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 13:47:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:47:04,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 13:47:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:47:04,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 13:47:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:47:04,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-07 13:47:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:47:04,397 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-07 13:47:04,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:47:04,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403247726] [2024-11-07 13:47:04,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403247726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:47:04,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:47:04,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 13:47:04,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022999036] [2024-11-07 13:47:04,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:47:04,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 13:47:04,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:47:04,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 13:47:04,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 13:47:04,428 INFO L87 Difference]: Start difference. First operand has 1560 states, 1130 states have (on average 1.4256637168141593) internal successors, (1611), 1150 states have internal predecessors, (1611), 365 states have call successors, (365), 64 states have call predecessors, (365), 63 states have return successors, (360), 356 states have call predecessors, (360), 360 states have call successors, (360) Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-07 13:47:08,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:47:12,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:47:56,292 WARN L539 Checker$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 13:48:00,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:48:04,314 WARN L539 Checker$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 13:48:08,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:48:08,839 INFO L93 Difference]: Finished difference Result 3324 states and 5143 transitions. [2024-11-07 13:48:08,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 13:48:08,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 152 [2024-11-07 13:48:08,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:48:08,864 INFO L225 Difference]: With dead ends: 3324 [2024-11-07 13:48:08,864 INFO L226 Difference]: Without dead ends: 1754 [2024-11-07 13:48:08,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-07 13:48:08,881 INFO L432 NwaCegarLoop]: 795 mSDtfsCounter, 1960 mSDsluCounter, 1516 mSDsCounter, 0 mSdLazyCounter, 4103 mSolverCounterSat, 910 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2100 SdHoareTripleChecker+Valid, 2311 SdHoareTripleChecker+Invalid, 5018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 910 IncrementalHoareTripleChecker+Valid, 4103 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.5s IncrementalHoareTripleChecker+Time [2024-11-07 13:48:08,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2100 Valid, 2311 Invalid, 5018 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [910 Valid, 4103 Invalid, 5 Unknown, 0 Unchecked, 63.5s Time] [2024-11-07 13:48:08,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1754 states. [2024-11-07 13:48:09,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1754 to 1545. [2024-11-07 13:48:09,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1122 states have (on average 1.4126559714795008) internal successors, (1585), 1135 states have internal predecessors, (1585), 360 states have call successors, (360), 63 states have call predecessors, (360), 62 states have return successors, (359), 355 states have call predecessors, (359), 359 states have call successors, (359) [2024-11-07 13:48:09,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2304 transitions. [2024-11-07 13:48:09,066 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2304 transitions. Word has length 152 [2024-11-07 13:48:09,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:48:09,066 INFO L471 AbstractCegarLoop]: Abstraction has 1545 states and 2304 transitions. [2024-11-07 13:48:09,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-07 13:48:09,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2304 transitions. [2024-11-07 13:48:09,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-07 13:48:09,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:48:09,077 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:48:09,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 13:48:09,077 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:48:09,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:48:09,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1222953281, now seen corresponding path program 1 times [2024-11-07 13:48:09,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:48:09,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137390404] [2024-11-07 13:48:09,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:48:09,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:48:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:48:11,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:48:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:48:11,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:48:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:48:11,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:48:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:48:11,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 13:48:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:48:11,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:48:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:48:11,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:48:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:48:11,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 13:48:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:48:11,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:48:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:48:11,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:48:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:48:11,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 13:48:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:48:11,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:48:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:48:11,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:48:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:48:11,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 13:48:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:48:11,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-07 13:48:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:48:11,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-07 13:48:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:48:11,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 13:48:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:48:11,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-07 13:48:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:48:11,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 13:48:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:48:11,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 13:48:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:48:11,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 13:48:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:48:11,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-07 13:48:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:48:11,967 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-07 13:48:11,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:48:11,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137390404] [2024-11-07 13:48:11,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137390404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:48:11,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:48:11,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 13:48:11,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168873581] [2024-11-07 13:48:11,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:48:11,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 13:48:11,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:48:11,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 13:48:11,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 13:48:11,970 INFO L87 Difference]: Start difference. First operand 1545 states and 2304 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-07 13:48:16,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []