./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efda194-76b1-43c3-b9c6-c0dd4774c403/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efda194-76b1-43c3-b9c6-c0dd4774c403/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efda194-76b1-43c3-b9c6-c0dd4774c403/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efda194-76b1-43c3-b9c6-c0dd4774c403/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efda194-76b1-43c3-b9c6-c0dd4774c403/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efda194-76b1-43c3-b9c6-c0dd4774c403/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:30:48,326 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:30:48,410 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efda194-76b1-43c3-b9c6-c0dd4774c403/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-12 02:30:48,415 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:30:48,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:30:48,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:30:48,444 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:30:48,445 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:30:48,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:30:48,446 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:30:48,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:30:48,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:30:48,448 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:30:48,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:30:48,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:30:48,450 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:30:48,450 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:30:48,451 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:30:48,452 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:30:48,452 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:30:48,453 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:30:48,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:30:48,459 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 02:30:48,459 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:30:48,460 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:30:48,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:30:48,461 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:30:48,461 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:30:48,462 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:30:48,462 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:30:48,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:30:48,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:30:48,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:30:48,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:30:48,465 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:30:48,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:30:48,465 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:30:48,466 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:30:48,466 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:30:48,466 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:30:48,466 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:30:48,467 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efda194-76b1-43c3-b9c6-c0dd4774c403/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efda194-76b1-43c3-b9c6-c0dd4774c403/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2023-11-12 02:30:48,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:30:48,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:30:48,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:30:48,765 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:30:48,766 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:30:48,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efda194-76b1-43c3-b9c6-c0dd4774c403/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-12 02:30:51,935 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:30:52,566 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:30:52,567 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efda194-76b1-43c3-b9c6-c0dd4774c403/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-12 02:30:52,628 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efda194-76b1-43c3-b9c6-c0dd4774c403/bin/uautomizer-verify-uTZkv6EMXl/data/00fdd1ed6/c96dd66313b9437494b6408ef439900f/FLAG0afceff95 [2023-11-12 02:30:52,646 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efda194-76b1-43c3-b9c6-c0dd4774c403/bin/uautomizer-verify-uTZkv6EMXl/data/00fdd1ed6/c96dd66313b9437494b6408ef439900f [2023-11-12 02:30:52,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:30:52,655 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:30:52,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:30:52,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:30:52,665 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:30:52,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:30:52" (1/1) ... [2023-11-12 02:30:52,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74dd6b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:52, skipping insertion in model container [2023-11-12 02:30:52,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:30:52" (1/1) ... [2023-11-12 02:30:52,818 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:30:57,380 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-12 02:30:58,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:30:58,362 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:30:58,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-12 02:30:58,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-12 02:30:58,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-12 02:30:58,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-12 02:30:58,629 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-12 02:30:58,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-12 02:30:58,706 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:30:59,693 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:30:59,693 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:30:59,693 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:30:59,694 WARN L672 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:30:59,694 WARN L672 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:30:59,694 WARN L672 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:30:59,694 WARN L672 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:30:59,704 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:30:59,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:59 WrapperNode [2023-11-12 02:30:59,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:30:59,707 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:30:59,708 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:30:59,708 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:30:59,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:59" (1/1) ... [2023-11-12 02:30:59,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:59" (1/1) ... [2023-11-12 02:30:59,941 INFO L138 Inliner]: procedures = 1354, calls = 1453, calls flagged for inlining = 348, calls inlined = 20, statements flattened = 325 [2023-11-12 02:30:59,942 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:30:59,943 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:30:59,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:30:59,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:30:59,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:59" (1/1) ... [2023-11-12 02:30:59,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:59" (1/1) ... [2023-11-12 02:30:59,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:59" (1/1) ... [2023-11-12 02:30:59,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:59" (1/1) ... [2023-11-12 02:30:59,985 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:59" (1/1) ... [2023-11-12 02:30:59,990 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:59" (1/1) ... [2023-11-12 02:30:59,996 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:59" (1/1) ... [2023-11-12 02:31:00,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:59" (1/1) ... [2023-11-12 02:31:00,011 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:31:00,012 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:31:00,012 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:31:00,013 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:31:00,014 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:59" (1/1) ... [2023-11-12 02:31:00,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:31:00,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efda194-76b1-43c3-b9c6-c0dd4774c403/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:31:00,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efda194-76b1-43c3-b9c6-c0dd4774c403/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:31:00,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efda194-76b1-43c3-b9c6-c0dd4774c403/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:31:00,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:31:00,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:31:00,113 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-11-12 02:31:00,114 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-11-12 02:31:00,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:31:00,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:31:00,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:31:00,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:31:00,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:31:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:31:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2023-11-12 02:31:00,117 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2023-11-12 02:31:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 02:31:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:31:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 02:31:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:31:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:31:00,121 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:31:00,613 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:31:00,615 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:31:01,179 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:31:01,233 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:31:01,233 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:31:01,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:01 BoogieIcfgContainer [2023-11-12 02:31:01,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:31:01,243 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:31:01,243 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:31:01,246 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:31:01,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:30:52" (1/3) ... [2023-11-12 02:31:01,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c90c887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:31:01, skipping insertion in model container [2023-11-12 02:31:01,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:59" (2/3) ... [2023-11-12 02:31:01,250 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c90c887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:31:01, skipping insertion in model container [2023-11-12 02:31:01,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:01" (3/3) ... [2023-11-12 02:31:01,252 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-12 02:31:01,262 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:31:01,274 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:31:01,274 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-12 02:31:01,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c90c887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:31:01, skipping insertion in model container [2023-11-12 02:31:01,276 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:31:01,278 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:31:01,278 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:31:01,278 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:31:01,279 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:01" (3/3) ... [2023-11-12 02:31:01,281 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:31:01,286 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2023-11-12 02:31:01,286 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_unlocked_ioctl [2023-11-12 02:31:01,299 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2023-11-12 02:31:01,300 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-12 02:31:01,301 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-12 02:31:01,301 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-12 02:31:01,302 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:31:01,454 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efda194-76b1-43c3-b9c6-c0dd4774c403/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:31:01,457 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efda194-76b1-43c3-b9c6-c0dd4774c403/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:31:01,457 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:31:01,459 INFO L158 Benchmark]: Toolchain (without parser) took 8803.83ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 101.8MB in the beginning and 62.0MB in the end (delta: 39.8MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. [2023-11-12 02:31:01,460 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:31:01,460 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7046.45ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 101.3MB in the beginning and 130.2MB in the end (delta: -28.9MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. [2023-11-12 02:31:01,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 235.97ms. Allocated memory is still 197.1MB. Free memory was 130.2MB in the beginning and 120.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:31:01,461 INFO L158 Benchmark]: Boogie Preprocessor took 67.93ms. Allocated memory is still 197.1MB. Free memory was 120.8MB in the beginning and 116.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:31:01,464 INFO L158 Benchmark]: RCFGBuilder took 1225.78ms. Allocated memory is still 197.1MB. Free memory was 116.6MB in the beginning and 71.5MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-12 02:31:01,465 INFO L158 Benchmark]: TraceAbstraction took 33.39ms. Allocated memory is still 197.1MB. Free memory was 70.5MB in the beginning and 68.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:31:01,465 INFO L158 Benchmark]: Witness Printer took 179.67ms. Allocated memory is still 197.1MB. Free memory was 68.3MB in the beginning and 62.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 02:31:01,468 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7046.45ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 101.3MB in the beginning and 130.2MB in the end (delta: -28.9MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 235.97ms. Allocated memory is still 197.1MB. Free memory was 130.2MB in the beginning and 120.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.93ms. Allocated memory is still 197.1MB. Free memory was 120.8MB in the beginning and 116.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1225.78ms. Allocated memory is still 197.1MB. Free memory was 116.6MB in the beginning and 71.5MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 33.39ms. Allocated memory is still 197.1MB. Free memory was 70.5MB in the beginning and 68.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 179.67ms. Allocated memory is still 197.1MB. Free memory was 68.3MB in the beginning and 62.0MB 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: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-11-12 02:31:01,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efda194-76b1-43c3-b9c6-c0dd4774c403/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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