./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e477555710806f589e2df4355d107ec5094f895ba0eeca2a28a6fd25b09e9340 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:21:01,326 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:21:01,372 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 10:21:01,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:21:01,376 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:21:01,394 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:21:01,396 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:21:01,396 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:21:01,397 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:21:01,400 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:21:01,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:21:01,400 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:21:01,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:21:01,401 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:21:01,402 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:21:01,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:21:01,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:21:01,403 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 10:21:01,403 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:21:01,403 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 10:21:01,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:21:01,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:21:01,404 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:21:01,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:21:01,405 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:21:01,405 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 10:21:01,406 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:21:01,406 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:21:01,406 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:21:01,406 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:21:01,406 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:21:01,407 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:21:01,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:21:01,407 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:21:01,407 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:21:01,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:21:01,407 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:21:01,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:21:01,408 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:21:01,408 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:21:01,408 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:21:01,409 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:21:01,409 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e477555710806f589e2df4355d107ec5094f895ba0eeca2a28a6fd25b09e9340 [2024-11-10 10:21:01,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:21:01,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:21:01,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:21:01,680 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:21:01,681 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:21:01,682 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-11-10 10:21:03,060 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:21:03,453 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:21:03,454 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-11-10 10:21:03,494 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6730e671/8e9bb933ba614c06808ac82c398ae954/FLAGd9c9ee26b [2024-11-10 10:21:03,511 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6730e671/8e9bb933ba614c06808ac82c398ae954 [2024-11-10 10:21:03,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:21:03,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:21:03,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:21:03,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:21:03,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:21:03,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:21:03" (1/1) ... [2024-11-10 10:21:03,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6106efc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:21:03, skipping insertion in model container [2024-11-10 10:21:03,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:21:03" (1/1) ... [2024-11-10 10:21:03,666 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:21:04,033 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5520,5533] [2024-11-10 10:21:08,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:21:08,032 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:21:08,051 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5520,5533] [2024-11-10 10:21:08,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-10 10:21:08,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-10 10:21:08,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-10 10:21:08,150 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-10 10:21:08,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2024-11-10 10:21:08,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:21:08,701 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:21:08,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:21:08 WrapperNode [2024-11-10 10:21:08,702 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:21:08,703 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:21:08,703 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:21:08,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:21:08,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:21:08" (1/1) ... [2024-11-10 10:21:08,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:21:08" (1/1) ... [2024-11-10 10:21:08,856 INFO L138 Inliner]: procedures = 1354, calls = 1463, calls flagged for inlining = 352, calls inlined = 19, statements flattened = 344 [2024-11-10 10:21:08,859 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:21:08,860 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:21:08,860 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:21:08,860 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:21:08,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:21:08" (1/1) ... [2024-11-10 10:21:08,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:21:08" (1/1) ... [2024-11-10 10:21:08,877 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:21:08" (1/1) ... [2024-11-10 10:21:08,898 INFO L175 MemorySlicer]: Split 51 memory accesses to 7 slices as follows [2, 1, 4, 5, 31, 3, 5]. 61 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [2, 1, 4, 0, 31, 3, 2]. The 4 writes are split as follows [0, 0, 0, 2, 0, 0, 2]. [2024-11-10 10:21:08,905 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:21:08" (1/1) ... [2024-11-10 10:21:08,905 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:21:08" (1/1) ... [2024-11-10 10:21:08,923 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:21:08" (1/1) ... [2024-11-10 10:21:08,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:21:08" (1/1) ... [2024-11-10 10:21:08,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:21:08" (1/1) ... [2024-11-10 10:21:08,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:21:08" (1/1) ... [2024-11-10 10:21:08,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:21:08,953 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:21:08,956 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:21:08,956 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:21:08,957 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:21:08" (1/1) ... [2024-11-10 10:21:08,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:21:08,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:21:08,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 10:21:09,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 10:21:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:21:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:21:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:21:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:21:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:21:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 10:21:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 10:21:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:21:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-10 10:21:09,039 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-10 10:21:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:21:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:21:09,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:21:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 10:21:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 10:21:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 10:21:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 10:21:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 10:21:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 10:21:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 10:21:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 10:21:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 10:21:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:21:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:21:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:21:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:21:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:21:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 10:21:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-10 10:21:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2024-11-10 10:21:09,040 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2024-11-10 10:21:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:21:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:21:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:21:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:21:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:21:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 10:21:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 10:21:09,042 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 10:21:09,342 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:21:09,344 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:21:09,466 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6551: havoc access_ok_#t~nondet1065#1; [2024-11-10 10:21:09,466 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6535: havoc __get_user_#t~nondet1061#1; [2024-11-10 10:21:09,704 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6632: havoc nvram_get_size_#t~nondet1080#1; [2024-11-10 10:21:09,704 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6650: havoc printk_#t~nondet1083#1; [2024-11-10 10:21:09,704 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6624: havoc misc_register_#t~nondet1078#1; [2024-11-10 10:21:09,752 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 10:21:09,753 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:21:10,218 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:21:10,218 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:21:10,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:21:10 BoogieIcfgContainer [2024-11-10 10:21:10,219 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:21:10,221 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:21:10,222 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:21:10,225 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:21:10,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:21:03" (1/3) ... [2024-11-10 10:21:10,227 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778f75b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:21:10, skipping insertion in model container [2024-11-10 10:21:10,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:21:08" (2/3) ... [2024-11-10 10:21:10,227 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778f75b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:21:10, skipping insertion in model container [2024-11-10 10:21:10,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:21:10" (3/3) ... [2024-11-10 10:21:10,229 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-11-10 10:21:10,248 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:21:10,249 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:21:10,249 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 10:21:10,317 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 10:21:10,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 39 transitions, 92 flow [2024-11-10 10:21:10,391 INFO L124 PetriNetUnfolderBase]: 8/37 cut-off events. [2024-11-10 10:21:10,391 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 10:21:10,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 37 events. 8/37 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 65 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 34. Up to 4 conditions per place. [2024-11-10 10:21:10,397 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 39 transitions, 92 flow [2024-11-10 10:21:10,400 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 34 places, 35 transitions, 79 flow [2024-11-10 10:21:10,411 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:21:10,418 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;@aeeefed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:21:10,418 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-10 10:21:10,438 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 10:21:10,438 INFO L124 PetriNetUnfolderBase]: 8/31 cut-off events. [2024-11-10 10:21:10,438 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 10:21:10,439 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 10:21:10,439 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:21:10,440 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-10 10:21:10,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:21:10,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1191000123, now seen corresponding path program 1 times [2024-11-10 10:21:10,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:21:10,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734357508] [2024-11-10 10:21:10,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:21:10,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:21:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:21:10,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 10:21:10,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:21:10,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734357508] [2024-11-10 10:21:10,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734357508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:21:10,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:21:10,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 10:21:10,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923933578] [2024-11-10 10:21:10,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:21:10,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 10:21:10,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:21:10,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 10:21:10,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 10:21:10,884 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 39 [2024-11-10 10:21:10,886 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 35 transitions, 79 flow. Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 10:21:10,887 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 10:21:10,887 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 39 [2024-11-10 10:21:10,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 10:21:11,092 INFO L124 PetriNetUnfolderBase]: 381/613 cut-off events. [2024-11-10 10:21:11,094 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-10 10:21:11,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1221 conditions, 613 events. 381/613 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2233 event pairs, 258 based on Foata normal form. 44/564 useless extension candidates. Maximal degree in co-relation 1161. Up to 575 conditions per place. [2024-11-10 10:21:11,102 INFO L140 encePairwiseOnDemand]: 37/39 looper letters, 26 selfloop transitions, 0 changer transitions 2/33 dead transitions. [2024-11-10 10:21:11,103 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 33 transitions, 131 flow [2024-11-10 10:21:11,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 10:21:11,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 10:21:11,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 44 transitions. [2024-11-10 10:21:11,114 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5641025641025641 [2024-11-10 10:21:11,115 INFO L175 Difference]: Start difference. First operand has 34 places, 35 transitions, 79 flow. Second operand 2 states and 44 transitions. [2024-11-10 10:21:11,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 33 transitions, 131 flow [2024-11-10 10:21:11,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 33 transitions, 126 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 10:21:11,120 INFO L231 Difference]: Finished difference. Result has 32 places, 31 transitions, 65 flow [2024-11-10 10:21:11,122 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=65, PETRI_PLACES=32, PETRI_TRANSITIONS=31} [2024-11-10 10:21:11,126 INFO L277 CegarLoopForPetriNet]: 34 programPoint places, -2 predicate places. [2024-11-10 10:21:11,127 INFO L471 AbstractCegarLoop]: Abstraction has has 32 places, 31 transitions, 65 flow [2024-11-10 10:21:11,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 10:21:11,127 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 10:21:11,127 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:21:11,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 10:21:11,128 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-10 10:21:11,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:21:11,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1732715676, now seen corresponding path program 1 times [2024-11-10 10:21:11,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:21:11,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695464997] [2024-11-10 10:21:11,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:21:11,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:21:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:21:11,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 10:21:11,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:21:11,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695464997] [2024-11-10 10:21:11,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695464997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:21:11,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:21:11,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 10:21:11,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658668645] [2024-11-10 10:21:11,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:21:11,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 10:21:11,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:21:11,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 10:21:11,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 10:21:11,481 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 39 [2024-11-10 10:21:11,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 31 transitions, 65 flow. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 10:21:11,482 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 10:21:11,482 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 39 [2024-11-10 10:21:11,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 10:21:11,635 INFO L124 PetriNetUnfolderBase]: 335/518 cut-off events. [2024-11-10 10:21:11,635 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 10:21:11,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1038 conditions, 518 events. 335/518 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1680 event pairs, 159 based on Foata normal form. 0/430 useless extension candidates. Maximal degree in co-relation 1035. Up to 393 conditions per place. [2024-11-10 10:21:11,641 INFO L140 encePairwiseOnDemand]: 36/39 looper letters, 0 selfloop transitions, 0 changer transitions 42/42 dead transitions. [2024-11-10 10:21:11,641 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 42 transitions, 167 flow [2024-11-10 10:21:11,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 10:21:11,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 10:21:11,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 58 transitions. [2024-11-10 10:21:11,644 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.49572649572649574 [2024-11-10 10:21:11,644 INFO L175 Difference]: Start difference. First operand has 32 places, 31 transitions, 65 flow. Second operand 3 states and 58 transitions. [2024-11-10 10:21:11,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 42 transitions, 167 flow [2024-11-10 10:21:11,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 42 transitions, 167 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 10:21:11,645 INFO L231 Difference]: Finished difference. Result has 30 places, 0 transitions, 0 flow [2024-11-10 10:21:11,645 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=61, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=30, PETRI_TRANSITIONS=0} [2024-11-10 10:21:11,646 INFO L277 CegarLoopForPetriNet]: 34 programPoint places, -4 predicate places. [2024-11-10 10:21:11,646 INFO L471 AbstractCegarLoop]: Abstraction has has 30 places, 0 transitions, 0 flow [2024-11-10 10:21:11,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 10:21:11,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-11-10 10:21:11,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-11-10 10:21:11,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-10 10:21:11,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2024-11-10 10:21:11,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 10:21:11,649 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-10 10:21:11,654 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 10:21:11,655 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 10:21:11,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:21:11 BasicIcfg [2024-11-10 10:21:11,663 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 10:21:11,663 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 10:21:11,664 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 10:21:11,664 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 10:21:11,664 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:21:10" (3/4) ... [2024-11-10 10:21:11,665 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 10:21:11,667 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_write_nvram [2024-11-10 10:21:11,668 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-10 10:21:11,677 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 200 nodes and edges [2024-11-10 10:21:11,677 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2024-11-10 10:21:11,678 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-10 10:21:11,678 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-10 10:21:11,678 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 10:21:11,679 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 10:21:11,768 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 10:21:11,769 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 10:21:11,769 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 10:21:11,769 INFO L158 Benchmark]: Toolchain (without parser) took 8253.63ms. Allocated memory was 151.0MB in the beginning and 350.2MB in the end (delta: 199.2MB). Free memory was 67.0MB in the beginning and 177.0MB in the end (delta: -110.1MB). Peak memory consumption was 90.6MB. Max. memory is 16.1GB. [2024-11-10 10:21:11,769 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 10:21:11,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5185.38ms. Allocated memory was 151.0MB in the beginning and 237.0MB in the end (delta: 86.0MB). Free memory was 66.8MB in the beginning and 159.9MB in the end (delta: -93.2MB). Peak memory consumption was 138.4MB. Max. memory is 16.1GB. [2024-11-10 10:21:11,770 INFO L158 Benchmark]: Boogie Procedure Inliner took 156.68ms. Allocated memory is still 237.0MB. Free memory was 159.9MB in the beginning and 150.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-10 10:21:11,770 INFO L158 Benchmark]: Boogie Preprocessor took 92.12ms. Allocated memory is still 237.0MB. Free memory was 150.5MB in the beginning and 144.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 10:21:11,770 INFO L158 Benchmark]: IcfgBuilder took 1266.67ms. Allocated memory was 237.0MB in the beginning and 350.2MB in the end (delta: 113.2MB). Free memory was 144.2MB in the beginning and 256.0MB in the end (delta: -111.8MB). Peak memory consumption was 92.7MB. Max. memory is 16.1GB. [2024-11-10 10:21:11,770 INFO L158 Benchmark]: TraceAbstraction took 1441.41ms. Allocated memory is still 350.2MB. Free memory was 254.9MB in the beginning and 183.3MB in the end (delta: 71.6MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. [2024-11-10 10:21:11,770 INFO L158 Benchmark]: Witness Printer took 105.29ms. Allocated memory is still 350.2MB. Free memory was 183.3MB in the beginning and 177.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 10:21:11,771 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5185.38ms. Allocated memory was 151.0MB in the beginning and 237.0MB in the end (delta: 86.0MB). Free memory was 66.8MB in the beginning and 159.9MB in the end (delta: -93.2MB). Peak memory consumption was 138.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 156.68ms. Allocated memory is still 237.0MB. Free memory was 159.9MB in the beginning and 150.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.12ms. Allocated memory is still 237.0MB. Free memory was 150.5MB in the beginning and 144.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * IcfgBuilder took 1266.67ms. Allocated memory was 237.0MB in the beginning and 350.2MB in the end (delta: 113.2MB). Free memory was 144.2MB in the beginning and 256.0MB in the end (delta: -111.8MB). Peak memory consumption was 92.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1441.41ms. Allocated memory is still 350.2MB. Free memory was 254.9MB in the beginning and 183.3MB in the end (delta: 71.6MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. * Witness Printer took 105.29ms. Allocated memory is still 350.2MB. Free memory was 183.3MB in the beginning and 177.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 5817]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 57 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 1 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 10:21:11,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE