./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668d5a0c-8006-448e-9746-918f53ba0fed/bin/ugemcutter-verify-oI9GxRtH0S/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668d5a0c-8006-448e-9746-918f53ba0fed/bin/ugemcutter-verify-oI9GxRtH0S/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668d5a0c-8006-448e-9746-918f53ba0fed/bin/ugemcutter-verify-oI9GxRtH0S/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668d5a0c-8006-448e-9746-918f53ba0fed/bin/ugemcutter-verify-oI9GxRtH0S/config/GemCutterReach.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_668d5a0c-8006-448e-9746-918f53ba0fed/bin/ugemcutter-verify-oI9GxRtH0S/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668d5a0c-8006-448e-9746-918f53ba0fed/bin/ugemcutter-verify-oI9GxRtH0S --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:07:13,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:07:13,581 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668d5a0c-8006-448e-9746-918f53ba0fed/bin/ugemcutter-verify-oI9GxRtH0S/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2023-11-24 22:07:13,586 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:07:13,586 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 22:07:13,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:07:13,613 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 22:07:13,614 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 22:07:13,615 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:07:13,615 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 22:07:13,616 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:07:13,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:07:13,617 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 22:07:13,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:07:13,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:07:13,619 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:07:13,620 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:07:13,621 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:07:13,621 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:07:13,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:07:13,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:07:13,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:07:13,624 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:07:13,624 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:07:13,625 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:07:13,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:07:13,626 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:07:13,627 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:07:13,627 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 22:07:13,628 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 22:07:13,628 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 22:07:13,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 22:07:13,629 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:07:13,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:07:13,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:07:13,631 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 22:07:13,631 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-11-24 22:07:13,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:07:13,632 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 22:07:13,632 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-24 22:07:13,632 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-24 22:07:13,633 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:07:13,633 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-24 22:07:13,633 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-24 22:07:13,634 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_668d5a0c-8006-448e-9746-918f53ba0fed/bin/ugemcutter-verify-oI9GxRtH0S/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668d5a0c-8006-448e-9746-918f53ba0fed/bin/ugemcutter-verify-oI9GxRtH0S Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2023-11-24 22:07:13,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:07:13,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:07:13,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:07:13,929 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:07:13,931 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:07:13,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668d5a0c-8006-448e-9746-918f53ba0fed/bin/ugemcutter-verify-oI9GxRtH0S/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-24 22:07:16,988 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:07:17,606 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:07:17,608 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668d5a0c-8006-448e-9746-918f53ba0fed/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-24 22:07:17,668 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668d5a0c-8006-448e-9746-918f53ba0fed/bin/ugemcutter-verify-oI9GxRtH0S/data/e95e2ee57/a2a8a42cef8c499babd2afb537f18450/FLAG243fb53dc [2023-11-24 22:07:17,686 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668d5a0c-8006-448e-9746-918f53ba0fed/bin/ugemcutter-verify-oI9GxRtH0S/data/e95e2ee57/a2a8a42cef8c499babd2afb537f18450 [2023-11-24 22:07:17,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:07:17,695 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:07:17,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:07:17,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:07:17,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:07:17,708 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:07:17" (1/1) ... [2023-11-24 22:07:17,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@710c8503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:17, skipping insertion in model container [2023-11-24 22:07:17,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:07:17" (1/1) ... [2023-11-24 22:07:17,958 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:07:23,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:07:23,443 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:07:23,606 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] [2023-11-24 22:07:23,608 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] [2023-11-24 22:07:23,608 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] [2023-11-24 22:07:23,609 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] [2023-11-24 22:07:23,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-24 22:07:23,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:07:24,457 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:07:24,458 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:07:24,458 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:07:24,458 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:07:24,458 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:07:24,459 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:07:24,467 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:07:24,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:24 WrapperNode [2023-11-24 22:07:24,468 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:07:24,469 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:07:24,469 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:07:24,469 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:07:24,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:24" (1/1) ... [2023-11-24 22:07:24,605 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:24" (1/1) ... [2023-11-24 22:07:24,680 INFO L138 Inliner]: procedures = 1353, calls = 1451, calls flagged for inlining = 348, calls inlined = 20, statements flattened = 327 [2023-11-24 22:07:24,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:07:24,682 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:07:24,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:07:24,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:07:24,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:24" (1/1) ... [2023-11-24 22:07:24,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:24" (1/1) ... [2023-11-24 22:07:24,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:24" (1/1) ... [2023-11-24 22:07:24,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:24" (1/1) ... [2023-11-24 22:07:24,724 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:24" (1/1) ... [2023-11-24 22:07:24,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:24" (1/1) ... [2023-11-24 22:07:24,735 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:24" (1/1) ... [2023-11-24 22:07:24,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:24" (1/1) ... [2023-11-24 22:07:24,748 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:07:24,749 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:07:24,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:07:24,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:07:24,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:24" (1/1) ... [2023-11-24 22:07:24,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 22:07:24,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668d5a0c-8006-448e-9746-918f53ba0fed/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:07:24,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668d5a0c-8006-448e-9746-918f53ba0fed/bin/ugemcutter-verify-oI9GxRtH0S/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 22:07:24,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668d5a0c-8006-448e-9746-918f53ba0fed/bin/ugemcutter-verify-oI9GxRtH0S/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 22:07:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:07:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:07:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-11-24 22:07:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-11-24 22:07:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:07:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:07:24,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:07:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 22:07:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:07:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:07:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2023-11-24 22:07:24,888 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2023-11-24 22:07:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:07:24,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:07:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:07:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:07:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:07:24,893 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:07:25,391 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:07:25,393 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:07:26,034 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:07:26,960 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:07:26,960 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:07:26,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:07:26 BoogieIcfgContainer [2023-11-24 22:07:26,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:07:26,965 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 22:07:26,965 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 22:07:26,969 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 22:07:26,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 10:07:17" (1/3) ... [2023-11-24 22:07:26,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3744be7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:07:26, skipping insertion in model container [2023-11-24 22:07:26,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:24" (2/3) ... [2023-11-24 22:07:26,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3744be7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:07:26, skipping insertion in model container [2023-11-24 22:07:26,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:07:26" (3/3) ... [2023-11-24 22:07:26,974 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-24 22:07:26,986 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-24 22:07:26,998 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 22:07:26,998 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-24 22:07:27,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3744be7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 10:07:26, skipping insertion in model container [2023-11-24 22:07:27,000 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 22:07:27,001 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:07:27,002 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:07:27,002 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:07:27,003 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:07:26" (3/3) ... [2023-11-24 22:07:27,006 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:07:27,010 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2023-11-24 22:07:27,011 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_unlocked_ioctl [2023-11-24 22:07:27,030 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 158 nodes and edges [2023-11-24 22:07:27,031 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2023-11-24 22:07:27,031 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-24 22:07:27,033 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-24 22:07:27,033 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:07:27,034 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:07:27,183 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668d5a0c-8006-448e-9746-918f53ba0fed/bin/ugemcutter-verify-oI9GxRtH0S/witness.graphml [2023-11-24 22:07:27,184 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668d5a0c-8006-448e-9746-918f53ba0fed/bin/ugemcutter-verify-oI9GxRtH0S/witness.yml [2023-11-24 22:07:27,184 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:07:27,186 INFO L158 Benchmark]: Toolchain (without parser) took 9490.30ms. Allocated memory was 138.4MB in the beginning and 211.8MB in the end (delta: 73.4MB). Free memory was 76.3MB in the beginning and 104.0MB in the end (delta: -27.7MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2023-11-24 22:07:27,186 INFO L158 Benchmark]: CDTParser took 1.44ms. Allocated memory is still 111.1MB. Free memory was 82.5MB in the beginning and 82.4MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:07:27,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6769.48ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 76.3MB in the beginning and 62.4MB in the end (delta: 13.9MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. [2023-11-24 22:07:27,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 212.66ms. Allocated memory is still 176.2MB. Free memory was 62.4MB in the beginning and 53.0MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:07:27,188 INFO L158 Benchmark]: Boogie Preprocessor took 65.96ms. Allocated memory is still 176.2MB. Free memory was 53.0MB in the beginning and 48.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:07:27,188 INFO L158 Benchmark]: RCFGBuilder took 2212.41ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 48.8MB in the beginning and 113.4MB in the end (delta: -64.7MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2023-11-24 22:07:27,189 INFO L158 Benchmark]: TraceAbstraction took 35.43ms. Allocated memory is still 211.8MB. Free memory was 113.4MB in the beginning and 111.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:07:27,189 INFO L158 Benchmark]: Witness Printer took 182.93ms. Allocated memory is still 211.8MB. Free memory was 111.3MB in the beginning and 104.0MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 22:07:27,192 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.44ms. Allocated memory is still 111.1MB. Free memory was 82.5MB in the beginning and 82.4MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6769.48ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 76.3MB in the beginning and 62.4MB in the end (delta: 13.9MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 212.66ms. Allocated memory is still 176.2MB. Free memory was 62.4MB in the beginning and 53.0MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.96ms. Allocated memory is still 176.2MB. Free memory was 53.0MB in the beginning and 48.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2212.41ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 48.8MB in the beginning and 113.4MB in the end (delta: -64.7MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * TraceAbstraction took 35.43ms. Allocated memory is still 211.8MB. Free memory was 113.4MB in the beginning and 111.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 182.93ms. Allocated memory is still 211.8MB. Free memory was 111.3MB in the beginning and 104.0MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. 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! [2023-11-24 22:07:27,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668d5a0c-8006-448e-9746-918f53ba0fed/bin/ugemcutter-verify-oI9GxRtH0S/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