./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i --full-output --preprocessor.use.memory.slicer true --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d2ba6107 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e2e7bb75a4a041a1b509d755288a88858836cab5db2230ae4fd0db7ec04fe254 --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-dev-d2ba610-m [2023-11-21 17:50:17,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 17:50:17,754 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2023-11-21 17:50:17,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 17:50:17,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 17:50:17,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 17:50:17,794 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 17:50:17,795 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 17:50:17,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 17:50:17,801 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 17:50:17,802 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 17:50:17,803 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 17:50:17,804 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 17:50:17,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 17:50:17,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 17:50:17,806 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 17:50:17,806 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 17:50:17,806 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 17:50:17,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 17:50:17,807 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 17:50:17,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 17:50:17,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 17:50:17,808 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 17:50:17,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 17:50:17,808 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 17:50:17,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 17:50:17,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 17:50:17,809 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 17:50:17,810 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 17:50:17,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 17:50:17,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 17:50:17,811 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 17:50:17,811 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 17:50:17,812 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 17:50:17,812 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-11-21 17:50:17,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 17:50:17,812 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 17:50:17,812 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-21 17:50:17,813 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 17:50:17,813 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-21 17:50:17,813 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-21 17:50:17,813 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/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2e7bb75a4a041a1b509d755288a88858836cab5db2230ae4fd0db7ec04fe254 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-21 17:50:18,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 17:50:18,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 17:50:18,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 17:50:18,127 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 17:50:18,127 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 17:50:18,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2023-11-21 17:50:19,337 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 17:50:19,846 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 17:50:19,847 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2023-11-21 17:50:19,892 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2702c451f/a3dd8cdee2d348cfb06e9c208ea374e4/FLAGecbd28ffb [2023-11-21 17:50:19,905 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2702c451f/a3dd8cdee2d348cfb06e9c208ea374e4 [2023-11-21 17:50:19,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 17:50:19,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 17:50:19,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 17:50:19,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 17:50:19,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 17:50:19,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:50:19" (1/1) ... [2023-11-21 17:50:19,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fe50f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:50:19, skipping insertion in model container [2023-11-21 17:50:19,919 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:50:19" (1/1) ... [2023-11-21 17:50:20,071 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 17:50:20,406 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_read_nvram_write_nvram.i[5469,5482] [2023-11-21 17:50:23,342 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-21 17:50:23,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 17:50:23,828 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 17:50:23,888 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_read_nvram_write_nvram.i[5469,5482] [2023-11-21 17:50:23,963 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] [2023-11-21 17:50:23,965 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] [2023-11-21 17:50:23,965 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] [2023-11-21 17:50:23,965 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] [2023-11-21 17:50:24,043 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-21 17:50:24,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-21 17:50:24,108 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 17:50:24,642 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 17:50:24,642 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 17:50:24,642 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 17:50:24,642 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 17:50:24,643 WARN L675 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 17:50:24,643 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 17:50:24,643 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 17:50:24,649 INFO L206 MainTranslator]: Completed translation [2023-11-21 17:50:24,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:50:24 WrapperNode [2023-11-21 17:50:24,650 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 17:50:24,651 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 17:50:24,651 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 17:50:24,651 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 17:50:24,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:50:24" (1/1) ... [2023-11-21 17:50:24,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:50:24" (1/1) ... [2023-11-21 17:50:24,874 INFO L138 Inliner]: procedures = 1354, calls = 1468, calls flagged for inlining = 347, calls inlined = 18, statements flattened = 377 [2023-11-21 17:50:24,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 17:50:24,880 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 17:50:24,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 17:50:24,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 17:50:24,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:50:24" (1/1) ... [2023-11-21 17:50:24,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:50:24" (1/1) ... [2023-11-21 17:50:24,903 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:50:24" (1/1) ... [2023-11-21 17:50:24,945 INFO L193 HeapSplitter]: Split 35 memory accesses to 9 slices as follows [2, 2, 1, 4, 2, 3, 8, 2, 11] [2023-11-21 17:50:24,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:50:24" (1/1) ... [2023-11-21 17:50:24,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:50:24" (1/1) ... [2023-11-21 17:50:24,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:50:24" (1/1) ... [2023-11-21 17:50:24,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:50:24" (1/1) ... [2023-11-21 17:50:24,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:50:24" (1/1) ... [2023-11-21 17:50:25,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:50:24" (1/1) ... [2023-11-21 17:50:25,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 17:50:25,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 17:50:25,026 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 17:50:25,026 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 17:50:25,027 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:50:24" (1/1) ... [2023-11-21 17:50:25,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 17:50:25,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 17:50:25,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 17:50:25,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 17:50:25,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 17:50:25,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 17:50:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 17:50:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-21 17:50:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-21 17:50:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-21 17:50:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-21 17:50:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-21 17:50:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-21 17:50:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 17:50:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 17:50:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 17:50:25,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 17:50:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-21 17:50:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-21 17:50:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-21 17:50:25,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-21 17:50:25,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-21 17:50:25,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-21 17:50:25,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-21 17:50:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-21 17:50:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-21 17:50:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 17:50:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 17:50:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 17:50:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 17:50:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-21 17:50:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-21 17:50:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-21 17:50:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-21 17:50:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-21 17:50:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-21 17:50:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2023-11-21 17:50:25,142 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2023-11-21 17:50:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 17:50:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 17:50:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 17:50:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-21 17:50:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-21 17:50:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-21 17:50:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-21 17:50:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-21 17:50:25,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-21 17:50:25,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-21 17:50:25,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-21 17:50:25,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-21 17:50:25,144 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2023-11-21 17:50:25,145 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2023-11-21 17:50:25,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 17:50:25,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 17:50:25,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 17:50:25,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 17:50:25,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-21 17:50:25,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-21 17:50:25,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-21 17:50:25,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-21 17:50:25,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-21 17:50:25,149 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 17:50:25,609 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 17:50:25,612 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 17:50:26,071 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 17:50:26,665 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 17:50:26,665 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 17:50:26,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:50:26 BoogieIcfgContainer [2023-11-21 17:50:26,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 17:50:26,669 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 17:50:26,669 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 17:50:26,672 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 17:50:26,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:50:19" (1/3) ... [2023-11-21 17:50:26,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff155b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:50:26, skipping insertion in model container [2023-11-21 17:50:26,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:50:24" (2/3) ... [2023-11-21 17:50:26,674 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff155b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:50:26, skipping insertion in model container [2023-11-21 17:50:26,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:50:26" (3/3) ... [2023-11-21 17:50:26,675 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_write_nvram.i [2023-11-21 17:50:26,684 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 17:50:26,693 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 17:50:26,694 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-21 17:50:26,694 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 17:50:26,755 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-21 17:50:26,792 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 17:50:26,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-21 17:50:26,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 17:50:26,796 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-21 17:50:26,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-21 17:50:26,840 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-21 17:50:26,855 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-21 17:50:26,865 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;@19cbb86c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 17:50:26,865 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-21 17:50:26,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2023-11-21 17:50:26,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-11-21 17:50:26,995 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-11-21 17:50:26,997 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (1/3) [2023-11-21 17:50:27,001 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 17:50:27,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-21 17:50:27,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 17:50:27,045 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-21 17:50:27,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2023-11-21 17:50:27,050 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-21 17:50:27,050 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == whoop_wrapper_write_nvramThread1of1ForFork1 ======== [2023-11-21 17:50:27,051 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;@19cbb86c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 17:50:27,051 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 17:50:27,179 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 17:50:27,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 17:50:27,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1613224918, now seen corresponding path program 1 times [2023-11-21 17:50:27,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 17:50:27,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578608632] [2023-11-21 17:50:27,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 17:50:27,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 17:50:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 17:50:29,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 17:50:29,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 17:50:29,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578608632] [2023-11-21 17:50:29,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578608632] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 17:50:29,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678645787] [2023-11-21 17:50:29,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 17:50:29,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 17:50:29,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 17:50:29,864 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 17:50:29,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-21 17:50:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 17:50:30,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 17:50:30,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 17:50:30,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-21 17:50:30,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 31 [2023-11-21 17:50:30,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 17:50:30,606 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 17:50:30,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678645787] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 17:50:30,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 17:50:30,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2023-11-21 17:50:30,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992321998] [2023-11-21 17:50:30,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 17:50:30,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 17:50:30,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 17:50:30,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 17:50:30,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2023-11-21 17:50:30,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 17:50:30,649 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 17:50:30,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2023-11-21 17:50:30,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 17:50:33,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 17:50:33,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-21 17:50:33,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 17:50:33,663 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 17:50:33,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 17:50:33,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1984869661, now seen corresponding path program 1 times [2023-11-21 17:50:33,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 17:50:33,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067406709] [2023-11-21 17:50:33,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 17:50:33,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 17:50:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 17:50:37,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 17:50:37,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 17:50:37,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067406709] [2023-11-21 17:50:37,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067406709] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 17:50:37,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611436412] [2023-11-21 17:50:37,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 17:50:37,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 17:50:37,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 17:50:37,374 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 17:50:37,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-21 17:50:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 17:50:37,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-21 17:50:37,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 17:50:38,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 51 [2023-11-21 17:50:38,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 17:50:38,430 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 17:50:38,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611436412] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 17:50:38,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 17:50:38,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [14] total 22 [2023-11-21 17:50:38,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298865851] [2023-11-21 17:50:38,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 17:50:38,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-21 17:50:38,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 17:50:38,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-21 17:50:38,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=415, Unknown=0, NotChecked=0, Total=462 [2023-11-21 17:50:38,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 17:50:38,436 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 17:50:38,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 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) [2023-11-21 17:50:38,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-21 17:50:38,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 17:50:40,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 17:50:40,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-21 17:50:40,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-21 17:50:40,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 17:50:40,301 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 17:50:40,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 17:50:40,301 INFO L85 PathProgramCache]: Analyzing trace with hash -644108023, now seen corresponding path program 1 times [2023-11-21 17:50:40,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 17:50:40,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320893087] [2023-11-21 17:50:40,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 17:50:40,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 17:50:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 17:50:47,461 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 17:50:47,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 17:50:47,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320893087] [2023-11-21 17:50:47,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320893087] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 17:50:47,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628653028] [2023-11-21 17:50:47,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 17:50:47,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 17:50:47,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 17:50:47,464 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 17:50:47,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-21 17:50:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 17:50:47,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-21 17:50:47,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 17:50:48,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 51 [2023-11-21 17:50:48,740 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 17:50:48,741 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 17:50:49,643 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 17:50:49,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 66 [2023-11-21 17:50:49,809 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 17:50:49,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628653028] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 17:50:49,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 17:50:49,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 11, 11] total 38 [2023-11-21 17:50:49,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132004766] [2023-11-21 17:50:49,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 17:50:49,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-11-21 17:50:49,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 17:50:49,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-11-21 17:50:49,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=1307, Unknown=0, NotChecked=0, Total=1406 [2023-11-21 17:50:49,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 17:50:49,813 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 17:50:49,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 2.210526315789474) internal successors, (84), 38 states have internal predecessors, (84), 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) [2023-11-21 17:50:49,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-21 17:50:49,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-21 17:50:49,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 17:50:55,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 17:50:55,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-21 17:50:56,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-21 17:50:56,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-21 17:50:56,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 17:50:56,213 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 17:50:56,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 17:50:56,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1136216687, now seen corresponding path program 1 times [2023-11-21 17:50:56,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 17:50:56,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201111551] [2023-11-21 17:50:56,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 17:50:56,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 17:50:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 17:50:58,984 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 17:50:58,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 17:50:58,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201111551] [2023-11-21 17:50:58,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201111551] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 17:50:58,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078638286] [2023-11-21 17:50:58,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 17:50:58,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 17:50:58,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 17:50:58,988 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 17:50:58,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-21 17:50:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 17:50:59,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-21 17:50:59,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 17:50:59,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 51 [2023-11-21 17:51:00,134 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 17:51:00,134 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 17:51:00,893 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 17:51:00,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 83 [2023-11-21 17:51:01,017 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 17:51:01,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078638286] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 17:51:01,017 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 17:51:01,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 11] total 35 [2023-11-21 17:51:01,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783750928] [2023-11-21 17:51:01,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 17:51:01,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-11-21 17:51:01,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 17:51:01,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-11-21 17:51:01,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=1098, Unknown=0, NotChecked=0, Total=1190 [2023-11-21 17:51:01,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 17:51:01,022 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 17:51:01,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.1714285714285713) internal successors, (76), 35 states have internal predecessors, (76), 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) [2023-11-21 17:51:01,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-21 17:51:01,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-21 17:51:01,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-21 17:51:01,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 17:51:11,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 17:51:11,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-21 17:51:11,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-21 17:51:11,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-21 17:51:11,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-21 17:51:11,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 17:51:11,613 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 17:51:11,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 17:51:11,613 INFO L85 PathProgramCache]: Analyzing trace with hash -666895412, now seen corresponding path program 2 times [2023-11-21 17:51:11,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 17:51:11,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500817693] [2023-11-21 17:51:11,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 17:51:11,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 17:51:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 17:51:11,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 17:51:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 17:51:12,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 17:51:12,001 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 17:51:12,001 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 17:51:12,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 17:51:12,005 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2023-11-21 17:51:12,006 INFO L307 ceAbstractionStarter]: Result for error location whoop_wrapper_write_nvramThread1of1ForFork1 was UNSAFE (2/3) [2023-11-21 17:51:12,008 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-21 17:51:12,009 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 17:51:12,140 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre1143 could not be translated [2023-11-21 17:51:12,149 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre1145 could not be translated [2023-11-21 17:51:12,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:51:12 BasicIcfg [2023-11-21 17:51:12,177 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 17:51:12,177 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 17:51:12,178 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 17:51:12,178 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 17:51:12,178 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:50:26" (3/4) ... [2023-11-21 17:51:12,179 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 17:51:12,264 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre1143 could not be translated [2023-11-21 17:51:12,266 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre1145 could not be translated [2023-11-21 17:51:12,329 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2023-11-21 17:51:12,329 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 17:51:12,330 INFO L158 Benchmark]: Toolchain (without parser) took 52419.21ms. Allocated memory was 144.7MB in the beginning and 734.0MB in the end (delta: 589.3MB). Free memory was 83.1MB in the beginning and 398.4MB in the end (delta: -315.3MB). Peak memory consumption was 273.6MB. Max. memory is 16.1GB. [2023-11-21 17:51:12,330 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 94.4MB. Free memory was 57.4MB in the beginning and 57.4MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 17:51:12,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4738.33ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 82.5MB in the beginning and 98.4MB in the end (delta: -15.9MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. [2023-11-21 17:51:12,331 INFO L158 Benchmark]: Boogie Procedure Inliner took 228.08ms. Allocated memory is still 184.5MB. Free memory was 98.4MB in the beginning and 89.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 17:51:12,331 INFO L158 Benchmark]: Boogie Preprocessor took 138.74ms. Allocated memory is still 184.5MB. Free memory was 89.0MB in the beginning and 80.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 17:51:12,331 INFO L158 Benchmark]: RCFGBuilder took 1647.98ms. Allocated memory was 184.5MB in the beginning and 237.0MB in the end (delta: 52.4MB). Free memory was 80.6MB in the beginning and 113.7MB in the end (delta: -33.1MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. [2023-11-21 17:51:12,332 INFO L158 Benchmark]: TraceAbstraction took 45507.76ms. Allocated memory was 237.0MB in the beginning and 734.0MB in the end (delta: 497.0MB). Free memory was 112.7MB in the beginning and 449.7MB in the end (delta: -337.1MB). Peak memory consumption was 158.9MB. Max. memory is 16.1GB. [2023-11-21 17:51:12,332 INFO L158 Benchmark]: Witness Printer took 151.99ms. Allocated memory is still 734.0MB. Free memory was 449.7MB in the beginning and 398.4MB in the end (delta: 51.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-21 17:51:12,335 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 94.4MB. Free memory was 57.4MB in the beginning and 57.4MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4738.33ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 82.5MB in the beginning and 98.4MB in the end (delta: -15.9MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 228.08ms. Allocated memory is still 184.5MB. Free memory was 98.4MB in the beginning and 89.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 138.74ms. Allocated memory is still 184.5MB. Free memory was 89.0MB in the beginning and 80.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1647.98ms. Allocated memory was 184.5MB in the beginning and 237.0MB in the end (delta: 52.4MB). Free memory was 80.6MB in the beginning and 113.7MB in the end (delta: -33.1MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. * TraceAbstraction took 45507.76ms. Allocated memory was 237.0MB in the beginning and 734.0MB in the end (delta: 497.0MB). Free memory was 112.7MB in the beginning and 449.7MB in the end (delta: -337.1MB). Peak memory consumption was 158.9MB. Max. memory is 16.1GB. * Witness Printer took 151.99ms. Allocated memory is still 734.0MB. Free memory was 449.7MB in the beginning and 398.4MB in the end (delta: 51.4MB). Peak memory consumption was 52.4MB. 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] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre1143 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre1145 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre1143 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre1145 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 450, independent: 443, independent conditional: 13, independent unconditional: 430, dependent: 7, dependent conditional: 4, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 446, independent: 443, independent conditional: 13, independent unconditional: 430, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 446, independent: 443, independent conditional: 13, independent unconditional: 430, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 446, independent: 443, independent conditional: 0, independent unconditional: 443, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 446, independent: 443, independent conditional: 0, independent unconditional: 443, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 446, independent: 443, independent conditional: 0, independent unconditional: 443, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 433, independent: 430, independent conditional: 0, independent unconditional: 430, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 433, independent: 429, independent conditional: 0, independent unconditional: 429, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 446, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 433, unknown conditional: 0, unknown unconditional: 433] , Statistics on independence cache: Total cache size (in pairs): 433, Positive cache size: 430, Positive conditional cache size: 0, Positive unconditional cache size: 430, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 4 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 20, Number of trivial persistent sets: 18, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 433, independent: 430, independent conditional: 0, independent unconditional: 430, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 450, independent: 443, independent conditional: 13, independent unconditional: 430, dependent: 7, dependent conditional: 4, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 446, independent: 443, independent conditional: 13, independent unconditional: 430, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 446, independent: 443, independent conditional: 13, independent unconditional: 430, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 446, independent: 443, independent conditional: 0, independent unconditional: 443, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 446, independent: 443, independent conditional: 0, independent unconditional: 443, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 446, independent: 443, independent conditional: 0, independent unconditional: 443, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 433, independent: 430, independent conditional: 0, independent unconditional: 430, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 433, independent: 429, independent conditional: 0, independent unconditional: 429, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 446, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 433, unknown conditional: 0, unknown unconditional: 433] , Statistics on independence cache: Total cache size (in pairs): 433, Positive cache size: 430, Positive conditional cache size: 0, Positive unconditional cache size: 430, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 4 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2091, independent: 1816, independent conditional: 881, independent unconditional: 935, dependent: 270, dependent conditional: 259, dependent unconditional: 11, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1839, independent: 1816, independent conditional: 881, independent unconditional: 935, dependent: 18, dependent conditional: 7, dependent unconditional: 11, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1839, independent: 1816, independent conditional: 881, independent unconditional: 935, dependent: 18, dependent conditional: 7, dependent unconditional: 11, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1863, independent: 1816, independent conditional: 5, independent unconditional: 1811, dependent: 35, dependent conditional: 13, dependent unconditional: 22, unknown: 12, unknown conditional: 6, unknown unconditional: 6] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1863, independent: 1816, independent conditional: 5, independent unconditional: 1811, dependent: 35, dependent conditional: 7, dependent unconditional: 28, unknown: 12, unknown conditional: 4, unknown unconditional: 8] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1863, independent: 1816, independent conditional: 5, independent unconditional: 1811, dependent: 35, dependent conditional: 7, dependent unconditional: 28, unknown: 12, unknown conditional: 4, unknown unconditional: 8] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 920, independent: 898, independent conditional: 5, independent unconditional: 893, dependent: 16, dependent conditional: 5, dependent unconditional: 11, unknown: 6, unknown conditional: 4, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 920, independent: 892, independent conditional: 0, independent unconditional: 892, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 28, independent: 6, independent conditional: 5, independent unconditional: 1, dependent: 16, dependent conditional: 5, dependent unconditional: 11, unknown: 6, unknown conditional: 4, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, independent: 6, independent conditional: 5, independent unconditional: 1, dependent: 16, dependent conditional: 5, dependent unconditional: 11, unknown: 6, unknown conditional: 4, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6816, independent: 182, independent conditional: 108, independent unconditional: 74, dependent: 125, dependent conditional: 25, dependent unconditional: 101, unknown: 6509, unknown conditional: 4343, unknown unconditional: 2165] , Protected Queries: 0 ], Cache Queries: [ total: 1863, independent: 918, independent conditional: 0, independent unconditional: 918, dependent: 19, dependent conditional: 2, dependent unconditional: 17, unknown: 926, unknown conditional: 14, unknown unconditional: 912] , Statistics on independence cache: Total cache size (in pairs): 914, Positive cache size: 898, Positive conditional cache size: 5, Positive unconditional cache size: 893, Negative cache size: 16, Negative conditional cache size: 5, Negative unconditional cache size: 11, Unknown cache size: 6, Unknown conditional cache size: 4, Unknown unconditional cache size: 2, Eliminated conditions: 8, Maximal queried relation: 3, Independence queries for same thread: 252 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 2.4s, Number of persistent set computation: 107, Number of trivial persistent sets: 93, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 948, independent: 935, independent conditional: 0, independent unconditional: 935, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2091, independent: 1816, independent conditional: 881, independent unconditional: 935, dependent: 270, dependent conditional: 259, dependent unconditional: 11, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1839, independent: 1816, independent conditional: 881, independent unconditional: 935, dependent: 18, dependent conditional: 7, dependent unconditional: 11, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1839, independent: 1816, independent conditional: 881, independent unconditional: 935, dependent: 18, dependent conditional: 7, dependent unconditional: 11, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1863, independent: 1816, independent conditional: 5, independent unconditional: 1811, dependent: 35, dependent conditional: 13, dependent unconditional: 22, unknown: 12, unknown conditional: 6, unknown unconditional: 6] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1863, independent: 1816, independent conditional: 5, independent unconditional: 1811, dependent: 35, dependent conditional: 7, dependent unconditional: 28, unknown: 12, unknown conditional: 4, unknown unconditional: 8] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1863, independent: 1816, independent conditional: 5, independent unconditional: 1811, dependent: 35, dependent conditional: 7, dependent unconditional: 28, unknown: 12, unknown conditional: 4, unknown unconditional: 8] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 920, independent: 898, independent conditional: 5, independent unconditional: 893, dependent: 16, dependent conditional: 5, dependent unconditional: 11, unknown: 6, unknown conditional: 4, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 920, independent: 892, independent conditional: 0, independent unconditional: 892, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 28, independent: 6, independent conditional: 5, independent unconditional: 1, dependent: 16, dependent conditional: 5, dependent unconditional: 11, unknown: 6, unknown conditional: 4, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, independent: 6, independent conditional: 5, independent unconditional: 1, dependent: 16, dependent conditional: 5, dependent unconditional: 11, unknown: 6, unknown conditional: 4, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6816, independent: 182, independent conditional: 108, independent unconditional: 74, dependent: 125, dependent conditional: 25, dependent unconditional: 101, unknown: 6509, unknown conditional: 4343, unknown unconditional: 2165] , Protected Queries: 0 ], Cache Queries: [ total: 1863, independent: 918, independent conditional: 0, independent unconditional: 918, dependent: 19, dependent conditional: 2, dependent unconditional: 17, unknown: 926, unknown conditional: 14, unknown unconditional: 912] , Statistics on independence cache: Total cache size (in pairs): 914, Positive cache size: 898, Positive conditional cache size: 5, Positive unconditional cache size: 893, Negative cache size: 16, Negative conditional cache size: 5, Negative unconditional cache size: 11, Unknown cache size: 6, Unknown conditional cache size: 4, Unknown unconditional cache size: 2, Eliminated conditions: 8, Maximal queried relation: 3, Independence queries for same thread: 252 - CounterExampleResult [Line: 174]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L246] 0 unsigned long jiffies; [L6519] 0 const unsigned int default_alloc_size = 4; [L6686] 0 static struct mutex nvram_mutex = { 1, 0 }; [L6686] 0 static struct mutex nvram_mutex = { 1, 0 }; [L6686] 0 static struct mutex nvram_mutex = { 1, 0 }; [L6687] 0 static ssize_t nvram_len; [L6784-L6790] 0 struct file_operations nvram_fops = { .owner = ((struct module *)0), .llseek = nvram_llseek, .read = read_nvram, .write = write_nvram, .unlocked_ioctl = nvram_unlocked_ioctl, }; [L6784-L6790] 0 struct file_operations nvram_fops = { .owner = ((struct module *)0), .llseek = nvram_llseek, .read = read_nvram, .write = write_nvram, .unlocked_ioctl = nvram_unlocked_ioctl, }; [L6784-L6790] 0 struct file_operations nvram_fops = { .owner = ((struct module *)0), .llseek = nvram_llseek, .read = read_nvram, .write = write_nvram, .unlocked_ioctl = nvram_unlocked_ioctl, }; [L6784-L6790] 0 struct file_operations nvram_fops = { .owner = ((struct module *)0), .llseek = nvram_llseek, .read = read_nvram, .write = write_nvram, .unlocked_ioctl = nvram_unlocked_ioctl, }; [L6784-L6790] 0 struct file_operations nvram_fops = { .owner = ((struct module *)0), .llseek = nvram_llseek, .read = read_nvram, .write = write_nvram, .unlocked_ioctl = nvram_unlocked_ioctl, }; [L6784-L6790] 0 struct file_operations nvram_fops = { .owner = ((struct module *)0), .llseek = nvram_llseek, .read = read_nvram, .write = write_nvram, .unlocked_ioctl = nvram_unlocked_ioctl, }; [L6784-L6790] 0 struct file_operations nvram_fops = { .owner = ((struct module *)0), .llseek = nvram_llseek, .read = read_nvram, .write = write_nvram, .unlocked_ioctl = nvram_unlocked_ioctl, }; [L6791-L6795] 0 static struct miscdevice nvram_dev = { 144, "nvram", &nvram_fops }; [L6791-L6795] 0 static struct miscdevice nvram_dev = { 144, "nvram", &nvram_fops }; [L6791-L6795] 0 static struct miscdevice nvram_dev = { 144, "nvram", &nvram_fops }; [L6791-L6795] 0 static struct miscdevice nvram_dev = { 144, "nvram", &nvram_fops }; [L6814] 0 int (* _whoop_init)(void) = nvram_init; [L6815] 0 void (* _whoop_exit)(void) = nvram_cleanup; [L6816] 0 struct inode *whoop_inode_0; [L6817] 0 struct file *whoop_file_0; [L6818] 0 struct inode *whoop_inode_1; [L6819] 0 struct file *whoop_file_1; [L6820] 0 struct inode *whoop_inode_2; [L6821] 0 struct file *whoop_file_2; [L6822] 0 struct inode *whoop_inode_3; [L6823] 0 struct file *whoop_file_3; [L6824] 0 struct inode *whoop_inode_4; [L6825] 0 struct file *whoop_file_4; [L6826] 0 struct pci_dev *whoop_pci_dev; [L6827] 0 char *whoop_buf; [L6828] 0 struct platform_device *whoop_platform_device; [L6829] 0 struct vm_area_struct *whoop_vm_area_struct; [L6830] 0 struct cx_dev *whoop_cx_dev; [L6831] 0 poll_table *whoop_poll_table; [L6832] 0 loff_t *whoop_loff_t; [L6833] 0 int whoop_int; [L6861] 0 whoop_inode_0 = (struct inode *) malloc(sizeof(struct inode)) [L6862] 0 whoop_file_0 = (struct file *) malloc(sizeof(struct file)) [L6863] 0 whoop_inode_1 = (struct inode *) malloc(sizeof(struct inode)) [L6864] 0 whoop_file_1 = (struct file *) malloc(sizeof(struct file)) [L6865] 0 whoop_inode_2 = (struct inode *) malloc(sizeof(struct inode)) [L6866] 0 whoop_file_2 = (struct file *) malloc(sizeof(struct file)) [L6867] 0 whoop_inode_3 = (struct inode *) malloc(sizeof(struct inode)) [L6868] 0 whoop_file_3 = (struct file *) malloc(sizeof(struct file)) [L6869] 0 whoop_inode_4 = (struct inode *) malloc(sizeof(struct inode)) [L6870] 0 whoop_file_4 = (struct file *) malloc(sizeof(struct file)) [L6871] 0 whoop_pci_dev = (struct pci_dev *) malloc(sizeof(struct pci_dev)) [L6872] 0 whoop_buf = (char *) malloc(sizeof(char)) [L6873] 0 whoop_platform_device = (struct platform_device *) malloc(sizeof(struct platform_device)) [L6874] 0 whoop_vm_area_struct = (struct vm_area_struct *) malloc(sizeof(struct vm_area_struct)) [L6875] 0 whoop_cx_dev = (struct cx_dev *) malloc(sizeof(struct cx_dev)) [L6876] 0 whoop_poll_table = (poll_table *) malloc(sizeof(poll_table)) [L6877] 0 whoop_loff_t = (loff_t *) malloc(sizeof(loff_t)) [L6878] 0 whoop_int = __VERIFIER_nondet_int() [L6879] CALL 0 assume_abort_if_not(whoop_int >= 0) [L170] COND FALSE 0 !(!cond) [L6879] RET 0 assume_abort_if_not(whoop_int >= 0) [L6880] CALL, EXPR 0 _whoop_init() [L6798] 0 int ret = 0; [L6799-L6800] CALL 0 printk("\001" "6" "Generic non-volatile memory driver v%s\n", "1.1") [L6647] 0 return __VERIFIER_nondet_int(); [L6799-L6800] RET 0 printk("\001" "6" "Generic non-volatile memory driver v%s\n", "1.1") [L6801] CALL, EXPR 0 misc_register(&nvram_dev) [L6621] 0 return __VERIFIER_nondet_int(); [L6801] RET, EXPR 0 misc_register(&nvram_dev) [L6801] 0 ret = misc_register(&nvram_dev) [L6802] COND FALSE 0 !(ret != 0) [L6804] CALL, EXPR 0 nvram_get_size() [L6629] 0 return __VERIFIER_nondet_long(); [L6804] RET, EXPR 0 nvram_get_size() [L6804] 0 nvram_len = nvram_get_size() [L6805] COND FALSE 0 !(nvram_len < 0) [L6808] 0 return ret; [L6880] RET, EXPR 0 _whoop_init() [L6880] 0 int _whoop_init_result = _whoop_init(); [L6881] 0 pthread_t pthread_t_write_nvram; [L6882] 0 pthread_t pthread_t_read_nvram; [L6883] FCALL, FORK 0 pthread_create(&pthread_t_write_nvram, ((void *)0), whoop_wrapper_write_nvram, ((void *)0)) VAL [_whoop_exit={-1:5}, _whoop_init={-1:4}, _whoop_init_result=0, default_alloc_size=4, jiffies=0, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=3, nvram_mutex={7:0}, pthread_t_read_nvram={11:0}, pthread_t_write_nvram={10:0}, whoop_buf={-6:0}, whoop_cx_dev={-18:0}, whoop_file_0={-17:0}, whoop_file_1={-11:0}, whoop_file_2={-3:0}, whoop_file_3={-8:0}, whoop_file_4={-2:0}, whoop_inode_0={-10:0}, whoop_inode_1={-14:0}, whoop_inode_2={-5:0}, whoop_inode_3={-16:0}, whoop_inode_4={-15:0}, whoop_int=1, whoop_loff_t={-7:0}, whoop_pci_dev={-9:0}, whoop_platform_device={-12:0}, whoop_poll_table={-13:0}, whoop_vm_area_struct={-4:0}] [L6836] CALL 1 write_nvram(whoop_file_0, whoop_buf, whoop_int, whoop_loff_t) [L6738] 1 unsigned int i; [L6739] 1 const char *p = buf; [L6740] 1 char c = __VERIFIER_nondet_char(); [L6741] CALL, EXPR 1 access_ok(0, buf, count) [L6548] 1 return __VERIFIER_nondet_int(); [L6741] RET, EXPR 1 access_ok(0, buf, count) [L6741] COND FALSE 1 !(!access_ok(0, buf, count)) [L6744] EXPR 1 \read(*ppos) [L6744] 1 ssize_t lppos = *ppos; [L6746] COND FALSE 1 !(lppos >= nvram_len) VAL [\old(count)=1, _whoop_exit={-1:5}, _whoop_init={-1:4}, buf={-6:0}, buf={-6:0}, c=0, count=1, default_alloc_size=4, file={-17:0}, file={-17:0}, jiffies=0, lppos=0, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=3, nvram_mutex={7:0}, p={-6:0}, ppos={-7:0}, ppos={-7:0}, whoop_buf={-6:0}, whoop_cx_dev={-18:0}, whoop_file_0={-17:0}, whoop_file_1={-11:0}, whoop_file_2={-3:0}, whoop_file_3={-8:0}, whoop_file_4={-2:0}, whoop_inode_0={-10:0}, whoop_inode_1={-14:0}, whoop_inode_2={-5:0}, whoop_inode_3={-16:0}, whoop_inode_4={-15:0}, whoop_int=1, whoop_loff_t={-7:0}, whoop_pci_dev={-9:0}, whoop_platform_device={-12:0}, whoop_poll_table={-13:0}, whoop_vm_area_struct={-4:0}] [L6749] EXPR 1 \read(*ppos) [L6749] 1 lppos = *ppos [L6751] 1 i = lppos VAL [\old(count)=1, _whoop_exit={-1:5}, _whoop_init={-1:4}, buf={-6:0}, buf={-6:0}, c=0, count=1, default_alloc_size=4, file={-17:0}, file={-17:0}, i=0, jiffies=0, lppos=0, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=3, nvram_mutex={7:0}, p={-6:0}, ppos={-7:0}, ppos={-7:0}, whoop_buf={-6:0}, whoop_cx_dev={-18:0}, whoop_file_0={-17:0}, whoop_file_1={-11:0}, whoop_file_2={-3:0}, whoop_file_3={-8:0}, whoop_file_4={-2:0}, whoop_inode_0={-10:0}, whoop_inode_1={-14:0}, whoop_inode_2={-5:0}, whoop_inode_3={-16:0}, whoop_inode_4={-15:0}, whoop_int=1, whoop_loff_t={-7:0}, whoop_pci_dev={-9:0}, whoop_platform_device={-12:0}, whoop_poll_table={-13:0}, whoop_vm_area_struct={-4:0}] [L6884] FCALL, FORK 0 pthread_create(&pthread_t_read_nvram, ((void *)0), whoop_wrapper_read_nvram, ((void *)0)) VAL [_whoop_exit={-1:5}, _whoop_init={-1:4}, _whoop_init_result=0, default_alloc_size=4, jiffies=0, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=3, nvram_mutex={7:0}, pthread_t_read_nvram={11:0}, pthread_t_write_nvram={10:0}, whoop_buf={-6:0}, whoop_cx_dev={-18:0}, whoop_file_0={-17:0}, whoop_file_1={-11:0}, whoop_file_2={-3:0}, whoop_file_3={-8:0}, whoop_file_4={-2:0}, whoop_inode_0={-10:0}, whoop_inode_1={-14:0}, whoop_inode_2={-5:0}, whoop_inode_3={-16:0}, whoop_inode_4={-15:0}, whoop_int=1, whoop_loff_t={-7:0}, whoop_pci_dev={-9:0}, whoop_platform_device={-12:0}, whoop_poll_table={-13:0}, whoop_vm_area_struct={-4:0}] [L6885] 0 \read(pthread_t_write_nvram) VAL [_whoop_exit={-1:5}, _whoop_init={-1:4}, default_alloc_size=4, jiffies=0, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=3, nvram_mutex={7:0}, whoop_buf={-6:0}, whoop_cx_dev={-18:0}, whoop_file_0={-17:0}, whoop_file_1={-11:0}, whoop_file_2={-3:0}, whoop_file_3={-8:0}, whoop_file_4={-2:0}, whoop_inode_0={-10:0}, whoop_inode_1={-14:0}, whoop_inode_2={-5:0}, whoop_inode_3={-16:0}, whoop_inode_4={-15:0}, whoop_int=1, whoop_loff_t={-7:0}, whoop_pci_dev={-9:0}, whoop_platform_device={-12:0}, whoop_poll_table={-13:0}, whoop_vm_area_struct={-4:0}] [L6841] CALL 2 read_nvram(whoop_file_1, whoop_buf, whoop_int, whoop_loff_t) [L6711] 2 unsigned int i; [L6712] 2 char *p = buf; [L6713] CALL, EXPR 2 access_ok(1, buf, count) [L6548] 2 return __VERIFIER_nondet_int(); [L6713] RET, EXPR 2 access_ok(1, buf, count) [L6713] COND FALSE 2 !(!access_ok(1, buf, count)) [L6716] EXPR 2 \read(*ppos) [L6716] 2 ssize_t lppos = *ppos; [L6718] COND FALSE 2 !(lppos >= nvram_len) VAL [\old(count)=1, _whoop_exit={-1:5}, _whoop_init={-1:4}, buf={-6:0}, buf={-6:0}, count=1, default_alloc_size=4, file={-11:0}, file={-11:0}, jiffies=0, lppos=0, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=3, nvram_mutex={7:0}, p={-6:0}, ppos={-7:0}, ppos={-7:0}, whoop_buf={-6:0}, whoop_cx_dev={-18:0}, whoop_file_0={-17:0}, whoop_file_1={-11:0}, whoop_file_2={-3:0}, whoop_file_3={-8:0}, whoop_file_4={-2:0}, whoop_inode_0={-10:0}, whoop_inode_1={-14:0}, whoop_inode_2={-5:0}, whoop_inode_3={-16:0}, whoop_inode_4={-15:0}, whoop_int=1, whoop_loff_t={-7:0}, whoop_pci_dev={-9:0}, whoop_platform_device={-12:0}, whoop_poll_table={-13:0}, whoop_vm_area_struct={-4:0}] [L6751] COND TRUE 1 count > 0 && i < nvram_len [L6752] CALL 1 __get_user(c, p) [L6532] 1 return __VERIFIER_nondet_int(); [L6752] RET 1 __get_user(c, p) [L6752] COND FALSE 1 !(__get_user(c, p)) [L6754] FCALL 1 nvram_write_byte(c, i) [L6751] 1 ++i [L6751] 1 ++p [L6751] 1 --count VAL [\old(count)=1, _whoop_exit={-1:5}, _whoop_init={-1:4}, buf={-6:0}, buf={-6:0}, c=0, count=0, default_alloc_size=4, file={-17:0}, file={-17:0}, i=1, jiffies=0, lppos=0, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=3, nvram_mutex={7:0}, p={-6:1}, ppos={-7:0}, ppos={-7:0}, whoop_buf={-6:0}, whoop_cx_dev={-18:0}, whoop_file_0={-17:0}, whoop_file_1={-11:0}, whoop_file_2={-3:0}, whoop_file_3={-8:0}, whoop_file_4={-2:0}, whoop_inode_0={-10:0}, whoop_inode_1={-14:0}, whoop_inode_2={-5:0}, whoop_inode_3={-16:0}, whoop_inode_4={-15:0}, whoop_int=1, whoop_loff_t={-7:0}, whoop_pci_dev={-9:0}, whoop_platform_device={-12:0}, whoop_poll_table={-13:0}, whoop_vm_area_struct={-4:0}] [L6751] COND FALSE 1 !(count > 0 && i < nvram_len) VAL [\old(count)=1, _whoop_exit={-1:5}, _whoop_init={-1:4}, buf={-6:0}, buf={-6:0}, c=0, count=0, default_alloc_size=4, file={-17:0}, file={-17:0}, i=1, jiffies=0, lppos=0, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=3, nvram_mutex={7:0}, p={-6:1}, ppos={-7:0}, ppos={-7:0}, whoop_buf={-6:0}, whoop_cx_dev={-18:0}, whoop_file_0={-17:0}, whoop_file_1={-11:0}, whoop_file_2={-3:0}, whoop_file_3={-8:0}, whoop_file_4={-2:0}, whoop_inode_0={-10:0}, whoop_inode_1={-14:0}, whoop_inode_2={-5:0}, whoop_inode_3={-16:0}, whoop_inode_4={-15:0}, whoop_int=1, whoop_loff_t={-7:0}, whoop_pci_dev={-9:0}, whoop_platform_device={-12:0}, whoop_poll_table={-13:0}, whoop_vm_area_struct={-4:0}] [L6757] 1 *ppos = i VAL [_whoop_exit={-1:5}, _whoop_init={-1:4}, args={0:0}, args={0:0}, default_alloc_size=4, jiffies=0, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=3, nvram_mutex={7:0}, whoop_buf={-6:0}, whoop_cx_dev={-18:0}, whoop_file_0={-17:0}, whoop_file_1={-11:0}, whoop_file_2={-3:0}, whoop_file_3={-8:0}, whoop_file_4={-2:0}, whoop_inode_0={-10:0}, whoop_inode_1={-14:0}, whoop_inode_2={-5:0}, whoop_inode_3={-16:0}, whoop_inode_4={-15:0}, whoop_int=1, whoop_loff_t={-7:0}, whoop_pci_dev={-9:0}, whoop_platform_device={-12:0}, whoop_poll_table={-13:0}, whoop_vm_area_struct={-4:0}] [L6721] EXPR 2 \read(*ppos) [L6721] 2 lppos = *ppos [L6723] 2 i = lppos VAL [\old(count)=1, _whoop_exit={-1:5}, _whoop_init={-1:4}, buf={-6:0}, buf={-6:0}, count=1, default_alloc_size=4, file={-11:0}, file={-11:0}, i=1, jiffies=0, lppos=1, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=3, nvram_mutex={7:0}, p={-6:0}, ppos={-7:0}, ppos={-7:0}, whoop_buf={-6:0}, whoop_cx_dev={-18:0}, whoop_file_0={-17:0}, whoop_file_1={-11:0}, whoop_file_2={-3:0}, whoop_file_3={-8:0}, whoop_file_4={-2:0}, whoop_inode_0={-10:0}, whoop_inode_1={-14:0}, whoop_inode_2={-5:0}, whoop_inode_3={-16:0}, whoop_inode_4={-15:0}, whoop_int=1, whoop_loff_t={-7:0}, whoop_pci_dev={-9:0}, whoop_platform_device={-12:0}, whoop_poll_table={-13:0}, whoop_vm_area_struct={-4:0}] [L6723] COND TRUE 2 count > 0 && i < nvram_len [L6724] CALL, EXPR 2 nvram_read_byte(i) [L6633] 2 return __VERIFIER_nondet_uchar(); [L6724] RET, EXPR 2 nvram_read_byte(i) [L6724] CALL 2 __put_user(nvram_read_byte(i), p) [L6540] 2 return __VERIFIER_nondet_int(); [L6724] RET 2 __put_user(nvram_read_byte(i), p) [L6724] COND FALSE 2 !(__put_user(nvram_read_byte(i), p)) [L6723] 2 ++i [L6723] 2 ++p [L6723] 2 --count VAL [\old(count)=1, _whoop_exit={-1:5}, _whoop_init={-1:4}, buf={-6:0}, buf={-6:0}, count=0, default_alloc_size=4, file={-11:0}, file={-11:0}, i=2, jiffies=0, lppos=1, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=3, nvram_mutex={7:0}, p={-6:1}, ppos={-7:0}, ppos={-7:0}, whoop_buf={-6:0}, whoop_cx_dev={-18:0}, whoop_file_0={-17:0}, whoop_file_1={-11:0}, whoop_file_2={-3:0}, whoop_file_3={-8:0}, whoop_file_4={-2:0}, whoop_inode_0={-10:0}, whoop_inode_1={-14:0}, whoop_inode_2={-5:0}, whoop_inode_3={-16:0}, whoop_inode_4={-15:0}, whoop_int=1, whoop_loff_t={-7:0}, whoop_pci_dev={-9:0}, whoop_platform_device={-12:0}, whoop_poll_table={-13:0}, whoop_vm_area_struct={-4:0}] [L6723] COND FALSE 2 !(count > 0 && i < nvram_len) VAL [\old(count)=1, _whoop_exit={-1:5}, _whoop_init={-1:4}, buf={-6:0}, buf={-6:0}, count=0, default_alloc_size=4, file={-11:0}, file={-11:0}, i=2, jiffies=0, lppos=1, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=3, nvram_mutex={7:0}, p={-6:1}, ppos={-7:0}, ppos={-7:0}, whoop_buf={-6:0}, whoop_cx_dev={-18:0}, whoop_file_0={-17:0}, whoop_file_1={-11:0}, whoop_file_2={-3:0}, whoop_file_3={-8:0}, whoop_file_4={-2:0}, whoop_inode_0={-10:0}, whoop_inode_1={-14:0}, whoop_inode_2={-5:0}, whoop_inode_3={-16:0}, whoop_inode_4={-15:0}, whoop_int=1, whoop_loff_t={-7:0}, whoop_pci_dev={-9:0}, whoop_platform_device={-12:0}, whoop_poll_table={-13:0}, whoop_vm_area_struct={-4:0}] [L6727] 2 *ppos = i VAL [_whoop_exit={-1:5}, _whoop_init={-1:4}, args={0:0}, args={0:0}, default_alloc_size=4, jiffies=0, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=3, nvram_mutex={7:0}, whoop_buf={-6:0}, whoop_cx_dev={-18:0}, whoop_file_0={-17:0}, whoop_file_1={-11:0}, whoop_file_2={-3:0}, whoop_file_3={-8:0}, whoop_file_4={-2:0}, whoop_inode_0={-10:0}, whoop_inode_1={-14:0}, whoop_inode_2={-5:0}, whoop_inode_3={-16:0}, whoop_inode_4={-15:0}, whoop_int=1, whoop_loff_t={-7:0}, whoop_pci_dev={-9:0}, whoop_platform_device={-12:0}, whoop_poll_table={-13:0}, whoop_vm_area_struct={-4:0}] [L6760] EXPR 1 \read(*ppos) [L6760] 1 lppos = *ppos [L6762] CALL 1 __VERIFIER_assert(lppos == i) [L173] COND TRUE 1 !(cond) VAL [\old(cond)=0, _whoop_exit={-1:5}, _whoop_init={-1:4}, cond=0, default_alloc_size=4, jiffies=0, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=3, nvram_mutex={7:0}, whoop_buf={-6:0}, whoop_cx_dev={-18:0}, whoop_file_0={-17:0}, whoop_file_1={-11:0}, whoop_file_2={-3:0}, whoop_file_3={-8:0}, whoop_file_4={-2:0}, whoop_inode_0={-10:0}, whoop_inode_1={-14:0}, whoop_inode_2={-5:0}, whoop_inode_3={-16:0}, whoop_inode_4={-15:0}, whoop_int=1, whoop_loff_t={-7:0}, whoop_pci_dev={-9:0}, whoop_platform_device={-12:0}, whoop_poll_table={-13:0}, whoop_vm_area_struct={-4:0}] [L174] 1 reach_error() VAL [\old(cond)=0, _whoop_exit={-1:5}, _whoop_init={-1:4}, cond=0, default_alloc_size=4, jiffies=0, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=3, nvram_mutex={7:0}, whoop_buf={-6:0}, whoop_cx_dev={-18:0}, whoop_file_0={-17:0}, whoop_file_1={-11:0}, whoop_file_2={-3:0}, whoop_file_3={-8:0}, whoop_file_4={-2:0}, whoop_inode_0={-10:0}, whoop_inode_1={-14:0}, whoop_inode_2={-5:0}, whoop_inode_3={-16:0}, whoop_inode_4={-15:0}, whoop_int=1, whoop_loff_t={-7:0}, whoop_pci_dev={-9:0}, whoop_platform_device={-12:0}, whoop_poll_table={-13:0}, whoop_vm_area_struct={-4:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 80 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, 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_nvramThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 80 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 45.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 21.2s, 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: 62, 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: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 19.5s InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 316 ConstructedInterpolants, 0 QuantifiedInterpolants, 9792 SizeOfPredicates, 70 NumberOfNonLiveVariables, 2386 ConjunctsInSsa, 134 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 36/55 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 RESULT: Ultimate proved your program to be incorrect! [2023-11-21 17:51:12,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2023-11-21 17:51:12,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-11-21 17:51:12,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE