/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf --traceabstraction.dfs.order.used.in.por PSEUDO_LOCKSTEP --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 13:17:40,369 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 13:17:40,428 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 13:17:40,431 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 13:17:40,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 13:17:40,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 13:17:40,459 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 13:17:40,460 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 13:17:40,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 13:17:40,463 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 13:17:40,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 13:17:40,464 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 13:17:40,464 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 13:17:40,465 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 13:17:40,465 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 13:17:40,465 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 13:17:40,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 13:17:40,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 13:17:40,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 13:17:40,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 13:17:40,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 13:17:40,466 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 13:17:40,467 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 13:17:40,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 13:17:40,467 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 13:17:40,468 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 13:17:40,468 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 13:17:40,468 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 13:17:40,468 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 13:17:40,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 13:17:40,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 13:17:40,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 13:17:40,469 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 13:17:40,469 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 13:17:40,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 13:17:40,469 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 13:17:40,469 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 13:17:40,470 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 13:17:40,470 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 13:17:40,470 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 13:17:40,470 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:/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> true [2023-11-17 13:17:40,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 13:17:40,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 13:17:40,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 13:17:40,682 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 13:17:40,682 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 13:17:40,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2023-11-17 13:17:41,687 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 13:17:42,043 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 13:17:42,043 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2023-11-17 13:17:42,080 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/200af6578/ee8546c6606c4ebaab739a5d6c77cb3a/FLAG5b0ea232f [2023-11-17 13:17:42,096 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/200af6578/ee8546c6606c4ebaab739a5d6c77cb3a [2023-11-17 13:17:42,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 13:17:42,099 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 13:17:42,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 13:17:42,101 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 13:17:42,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 13:17:42,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:17:42" (1/1) ... [2023-11-17 13:17:42,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1887b2ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:17:42, skipping insertion in model container [2023-11-17 13:17:42,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:17:42" (1/1) ... [2023-11-17 13:17:42,177 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 13:17:42,451 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2023-11-17 13:17:44,221 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 13:17:44,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 13:17:44,579 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 13:17:44,595 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2023-11-17 13:17:44,648 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] [2023-11-17 13:17:44,649 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] [2023-11-17 13:17:44,649 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] [2023-11-17 13:17:44,649 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] [2023-11-17 13:17:44,704 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 13:17:44,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-17 13:17:44,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 13:17:45,077 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 13:17:45,077 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 13:17:45,077 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 13:17:45,077 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 13:17:45,077 WARN L675 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 13:17:45,077 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 13:17:45,077 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 13:17:45,082 INFO L206 MainTranslator]: Completed translation [2023-11-17 13:17:45,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:17:45 WrapperNode [2023-11-17 13:17:45,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 13:17:45,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 13:17:45,083 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 13:17:45,083 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 13:17:45,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:17:45" (1/1) ... [2023-11-17 13:17:45,147 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:17:45" (1/1) ... [2023-11-17 13:17:45,185 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 19, statements flattened = 322 [2023-11-17 13:17:45,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 13:17:45,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 13:17:45,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 13:17:45,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 13:17:45,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:17:45" (1/1) ... [2023-11-17 13:17:45,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:17:45" (1/1) ... [2023-11-17 13:17:45,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:17:45" (1/1) ... [2023-11-17 13:17:45,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:17:45" (1/1) ... [2023-11-17 13:17:45,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:17:45" (1/1) ... [2023-11-17 13:17:45,212 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:17:45" (1/1) ... [2023-11-17 13:17:45,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:17:45" (1/1) ... [2023-11-17 13:17:45,216 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:17:45" (1/1) ... [2023-11-17 13:17:45,237 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 13:17:45,238 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 13:17:45,238 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 13:17:45,238 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 13:17:45,238 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:17:45" (1/1) ... [2023-11-17 13:17:45,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 13:17:45,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:17:45,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-17 13:17:45,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-17 13:17:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 13:17:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 13:17:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-11-17 13:17:45,289 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-11-17 13:17:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 13:17:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 13:17:45,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 13:17:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-17 13:17:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 13:17:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 13:17:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 13:17:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 13:17:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 13:17:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-17 13:17:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2023-11-17 13:17:45,290 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2023-11-17 13:17:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 13:17:45,292 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 13:17:45,564 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 13:17:45,565 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 13:17:45,922 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 13:17:46,217 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 13:17:46,217 INFO L307 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-17 13:17:46,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:17:46 BoogieIcfgContainer [2023-11-17 13:17:46,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 13:17:46,221 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 13:17:46,222 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 13:17:46,224 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 13:17:46,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 01:17:42" (1/3) ... [2023-11-17 13:17:46,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@335d6fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:17:46, skipping insertion in model container [2023-11-17 13:17:46,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:17:45" (2/3) ... [2023-11-17 13:17:46,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@335d6fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:17:46, skipping insertion in model container [2023-11-17 13:17:46,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:17:46" (3/3) ... [2023-11-17 13:17:46,225 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2023-11-17 13:17:46,232 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 13:17:46,238 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 13:17:46,239 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 13:17:46,239 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 13:17:46,284 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-17 13:17:46,312 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 13:17:46,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 13:17:46,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:17:46,315 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 13:17:46,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-17 13:17:46,343 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 13:17:46,352 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-17 13:17:46,357 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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;@6ff09767, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 13:17:46,357 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-17 13:17:50,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2023-11-17 13:17:50,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-11-17 13:17:50,829 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-11-17 13:17:50,831 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (1/2) [2023-11-17 13:17:50,833 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 13:17:50,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 13:17:50,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:17:50,880 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 13:17:50,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2023-11-17 13:17:50,886 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 13:17:50,886 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == whoop_wrapper_write_nvramThread1of1ForFork0 ======== [2023-11-17 13:17:50,886 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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;@6ff09767, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 13:17:50,886 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-17 13:17:55,350 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 13:17:55,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:17:55,354 INFO L85 PathProgramCache]: Analyzing trace with hash -882307386, now seen corresponding path program 1 times [2023-11-17 13:17:55,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:17:55,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782489666] [2023-11-17 13:17:55,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:17:55,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:17:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:17:55,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 13:17:55,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:17:55,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782489666] [2023-11-17 13:17:55,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782489666] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:17:55,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:17:55,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-17 13:17:55,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288036198] [2023-11-17 13:17:55,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:17:55,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 13:17:55,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:17:55,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 13:17:55,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 13:17:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:17:55,978 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:17:55,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2023-11-17 13:17:55,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:17:59,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:17:59,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-17 13:17:59,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 13:17:59,525 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-17 13:17:59,525 INFO L307 ceAbstractionStarter]: Result for error location whoop_wrapper_write_nvramThread1of1ForFork0 was SAFE (2/2) [2023-11-17 13:17:59,525 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 13:17:59,526 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 13:17:59,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 01:17:59 BasicIcfg [2023-11-17 13:17:59,528 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 13:17:59,529 INFO L158 Benchmark]: Toolchain (without parser) took 17429.42ms. Allocated memory was 221.2MB in the beginning and 333.4MB in the end (delta: 112.2MB). Free memory was 163.6MB in the beginning and 190.1MB in the end (delta: -26.5MB). Peak memory consumption was 86.1MB. Max. memory is 8.0GB. [2023-11-17 13:17:59,529 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 221.2MB. Free memory is still 177.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 13:17:59,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2981.89ms. Allocated memory was 221.2MB in the beginning and 333.4MB in the end (delta: 112.2MB). Free memory was 163.3MB in the beginning and 272.2MB in the end (delta: -108.9MB). Peak memory consumption was 141.1MB. Max. memory is 8.0GB. [2023-11-17 13:17:59,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.86ms. Allocated memory is still 333.4MB. Free memory was 272.2MB in the beginning and 262.8MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-11-17 13:17:59,529 INFO L158 Benchmark]: Boogie Preprocessor took 51.83ms. Allocated memory is still 333.4MB. Free memory was 262.8MB in the beginning and 258.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-11-17 13:17:59,530 INFO L158 Benchmark]: RCFGBuilder took 980.78ms. Allocated memory is still 333.4MB. Free memory was 258.1MB in the beginning and 193.3MB in the end (delta: 64.7MB). Peak memory consumption was 116.6MB. Max. memory is 8.0GB. [2023-11-17 13:17:59,530 INFO L158 Benchmark]: TraceAbstraction took 13307.70ms. Allocated memory is still 333.4MB. Free memory was 192.3MB in the beginning and 190.1MB in the end (delta: 2.2MB). Peak memory consumption was 1.7MB. Max. memory is 8.0GB. [2023-11-17 13:17:59,531 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 221.2MB. Free memory is still 177.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2981.89ms. Allocated memory was 221.2MB in the beginning and 333.4MB in the end (delta: 112.2MB). Free memory was 163.3MB in the beginning and 272.2MB in the end (delta: -108.9MB). Peak memory consumption was 141.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 101.86ms. Allocated memory is still 333.4MB. Free memory was 272.2MB in the beginning and 262.8MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 51.83ms. Allocated memory is still 333.4MB. Free memory was 262.8MB in the beginning and 258.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 980.78ms. Allocated memory is still 333.4MB. Free memory was 258.1MB in the beginning and 193.3MB in the end (delta: 64.7MB). Peak memory consumption was 116.6MB. Max. memory is 8.0GB. * TraceAbstraction took 13307.70ms. Allocated memory is still 333.4MB. Free memory was 192.3MB in the beginning and 190.1MB in the end (delta: 2.2MB). Peak memory consumption was 1.7MB. Max. memory is 8.0GB. * 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: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 281, independent: 255, independent conditional: 18, independent unconditional: 237, dependent: 20, dependent conditional: 12, dependent unconditional: 8, unknown: 6, unknown conditional: 2, unknown unconditional: 4] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 271, independent: 255, independent conditional: 18, independent unconditional: 237, dependent: 10, dependent conditional: 2, dependent unconditional: 8, unknown: 6, unknown conditional: 2, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 271, independent: 255, independent conditional: 18, independent unconditional: 237, dependent: 10, dependent conditional: 2, dependent unconditional: 8, unknown: 6, unknown conditional: 2, unknown unconditional: 4] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 271, independent: 255, independent conditional: 0, independent unconditional: 255, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 271, independent: 255, independent conditional: 0, independent unconditional: 255, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 271, independent: 255, independent conditional: 0, independent unconditional: 255, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 247, independent: 235, independent conditional: 0, independent unconditional: 235, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 247, independent: 234, independent conditional: 0, independent unconditional: 234, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 13, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4425, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 92, dependent conditional: 0, dependent unconditional: 92, unknown: 4296, unknown conditional: 0, unknown unconditional: 4296] , Protected Queries: 0 ], Cache Queries: [ total: 271, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 249, unknown conditional: 0, unknown unconditional: 249] , Statistics on independence cache: Total cache size (in pairs): 243, Positive cache size: 235, Positive conditional cache size: 0, Positive unconditional cache size: 235, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 4, Unknown conditional cache size: 0, Unknown unconditional cache size: 4, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 10 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 4.4s, Number of persistent set computation: 14, Number of trivial persistent sets: 7, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 249, independent: 237, independent conditional: 0, independent unconditional: 237, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 281, independent: 255, independent conditional: 18, independent unconditional: 237, dependent: 20, dependent conditional: 12, dependent unconditional: 8, unknown: 6, unknown conditional: 2, unknown unconditional: 4] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 271, independent: 255, independent conditional: 18, independent unconditional: 237, dependent: 10, dependent conditional: 2, dependent unconditional: 8, unknown: 6, unknown conditional: 2, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 271, independent: 255, independent conditional: 18, independent unconditional: 237, dependent: 10, dependent conditional: 2, dependent unconditional: 8, unknown: 6, unknown conditional: 2, unknown unconditional: 4] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 271, independent: 255, independent conditional: 0, independent unconditional: 255, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 271, independent: 255, independent conditional: 0, independent unconditional: 255, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 271, independent: 255, independent conditional: 0, independent unconditional: 255, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 247, independent: 235, independent conditional: 0, independent unconditional: 235, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 247, independent: 234, independent conditional: 0, independent unconditional: 234, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 13, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4425, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 92, dependent conditional: 0, dependent unconditional: 92, unknown: 4296, unknown conditional: 0, unknown unconditional: 4296] , Protected Queries: 0 ], Cache Queries: [ total: 271, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 249, unknown conditional: 0, unknown unconditional: 249] , Statistics on independence cache: Total cache size (in pairs): 243, Positive cache size: 235, Positive conditional cache size: 0, Positive unconditional cache size: 235, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 4, Unknown conditional cache size: 0, Unknown unconditional cache size: 4, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 10 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 928, independent: 798, independent conditional: 272, independent unconditional: 526, dependent: 112, dependent conditional: 90, dependent unconditional: 22, unknown: 18, unknown conditional: 11, unknown unconditional: 7] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 870, independent: 798, independent conditional: 272, independent unconditional: 526, dependent: 54, dependent conditional: 32, dependent unconditional: 22, unknown: 18, unknown conditional: 11, unknown unconditional: 7] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 870, independent: 798, independent conditional: 272, independent unconditional: 526, dependent: 54, dependent conditional: 32, dependent unconditional: 22, unknown: 18, unknown conditional: 11, unknown unconditional: 7] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 906, independent: 798, independent conditional: 0, independent unconditional: 798, dependent: 81, dependent conditional: 27, dependent unconditional: 54, unknown: 27, unknown conditional: 9, unknown unconditional: 18] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 906, independent: 798, independent conditional: 0, independent unconditional: 798, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 27, unknown conditional: 0, unknown unconditional: 27] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 906, independent: 798, independent conditional: 0, independent unconditional: 798, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 27, unknown conditional: 0, unknown unconditional: 27] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 541, independent: 512, independent conditional: 0, independent unconditional: 512, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 541, independent: 511, independent conditional: 0, independent unconditional: 511, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7765, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 178, dependent conditional: 0, dependent unconditional: 178, unknown: 7565, unknown conditional: 0, unknown unconditional: 7565] , Protected Queries: 0 ], Cache Queries: [ total: 906, independent: 286, independent conditional: 0, independent unconditional: 286, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 561, unknown conditional: 0, unknown unconditional: 561] , Statistics on independence cache: Total cache size (in pairs): 534, Positive cache size: 512, Positive conditional cache size: 0, Positive unconditional cache size: 512, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, Unknown cache size: 7, Unknown conditional cache size: 0, Unknown unconditional cache size: 7, Eliminated conditions: 36, Maximal queried relation: 1, Independence queries for same thread: 58 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 7.8s, Number of persistent set computation: 82, Number of trivial persistent sets: 42, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 555, independent: 526, independent conditional: 0, independent unconditional: 526, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 928, independent: 798, independent conditional: 272, independent unconditional: 526, dependent: 112, dependent conditional: 90, dependent unconditional: 22, unknown: 18, unknown conditional: 11, unknown unconditional: 7] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 870, independent: 798, independent conditional: 272, independent unconditional: 526, dependent: 54, dependent conditional: 32, dependent unconditional: 22, unknown: 18, unknown conditional: 11, unknown unconditional: 7] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 870, independent: 798, independent conditional: 272, independent unconditional: 526, dependent: 54, dependent conditional: 32, dependent unconditional: 22, unknown: 18, unknown conditional: 11, unknown unconditional: 7] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 906, independent: 798, independent conditional: 0, independent unconditional: 798, dependent: 81, dependent conditional: 27, dependent unconditional: 54, unknown: 27, unknown conditional: 9, unknown unconditional: 18] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 906, independent: 798, independent conditional: 0, independent unconditional: 798, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 27, unknown conditional: 0, unknown unconditional: 27] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 906, independent: 798, independent conditional: 0, independent unconditional: 798, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 27, unknown conditional: 0, unknown unconditional: 27] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 541, independent: 512, independent conditional: 0, independent unconditional: 512, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 541, independent: 511, independent conditional: 0, independent unconditional: 511, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7765, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 178, dependent conditional: 0, dependent unconditional: 178, unknown: 7565, unknown conditional: 0, unknown unconditional: 7565] , Protected Queries: 0 ], Cache Queries: [ total: 906, independent: 286, independent conditional: 0, independent unconditional: 286, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 561, unknown conditional: 0, unknown unconditional: 561] , Statistics on independence cache: Total cache size (in pairs): 534, Positive cache size: 512, Positive conditional cache size: 0, Positive unconditional cache size: 512, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, Unknown cache size: 7, Unknown conditional cache size: 0, Unknown unconditional cache size: 7, Eliminated conditions: 36, Maximal queried relation: 1, Independence queries for same thread: 58 - PositiveResult [Line: 174]: 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 54 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 4.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: whoop_wrapper_write_nvramThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 54 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 8.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 8.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2023-11-17 13:17:59,607 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2023-11-17 13:17:59,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-11-17 13:17:59,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...