./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i --full-output --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 f16b4cfe031f645c2fa5eeec572887c79d8e9243727503d849e4b19e0e31cc63 --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 14:33:38,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 14:33:38,317 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 14:33:38,322 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 14:33:38,325 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 14:33:38,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 14:33:38,351 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 14:33:38,352 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 14:33:38,352 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 14:33:38,352 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 14:33:38,353 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 14:33:38,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 14:33:38,354 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 14:33:38,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 14:33:38,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 14:33:38,355 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 14:33:38,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 14:33:38,355 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 14:33:38,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 14:33:38,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 14:33:38,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 14:33:38,356 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 14:33:38,356 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 14:33:38,356 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 14:33:38,356 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 14:33:38,357 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 14:33:38,357 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 14:33:38,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 14:33:38,357 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 14:33:38,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 14:33:38,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 14:33:38,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 14:33:38,358 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 14:33:38,358 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 14:33:38,358 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 14:33:38,358 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 14:33:38,358 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 14:33:38,358 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 14:33:38,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 14:33:38,359 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 14:33:38,359 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 14:33:38,359 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 14:33:38,359 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 14:33:38,359 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-jdk21/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 -> f16b4cfe031f645c2fa5eeec572887c79d8e9243727503d849e4b19e0e31cc63 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-21 14:33:38,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 14:33:38,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 14:33:38,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 14:33:38,659 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 14:33:38,659 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 14:33:38,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2024-11-21 14:33:39,991 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/7a457f683/2a81074e04294750999f4648da7bd28c/FLAG3d1fb65b1 [2024-11-21 14:33:40,522 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 14:33:40,523 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2024-11-21 14:33:40,572 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/7a457f683/2a81074e04294750999f4648da7bd28c/FLAG3d1fb65b1 [2024-11-21 14:33:41,049 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/7a457f683/2a81074e04294750999f4648da7bd28c [2024-11-21 14:33:41,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 14:33:41,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 14:33:41,052 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 14:33:41,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 14:33:41,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 14:33:41,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:33:41" (1/1) ... [2024-11-21 14:33:41,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fbb801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:33:41, skipping insertion in model container [2024-11-21 14:33:41,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:33:41" (1/1) ... [2024-11-21 14:33:41,140 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 14:33:41,467 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5520,5533] [2024-11-21 14:33:44,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 14:33:44,497 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 14:33:44,512 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5520,5533] [2024-11-21 14:33:44,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-21 14:33:44,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-21 14:33:44,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-21 14:33:44,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-21 14:33:44,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2024-11-21 14:33:44,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 14:33:45,213 INFO L204 MainTranslator]: Completed translation [2024-11-21 14:33:45,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:33:45 WrapperNode [2024-11-21 14:33:45,214 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 14:33:45,215 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 14:33:45,215 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 14:33:45,215 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 14:33:45,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:33:45" (1/1) ... [2024-11-21 14:33:45,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:33:45" (1/1) ... [2024-11-21 14:33:45,343 INFO L138 Inliner]: procedures = 1354, calls = 1479, calls flagged for inlining = 352, calls inlined = 18, statements flattened = 398 [2024-11-21 14:33:45,343 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 14:33:45,344 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 14:33:45,344 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 14:33:45,344 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 14:33:45,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:33:45" (1/1) ... [2024-11-21 14:33:45,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:33:45" (1/1) ... [2024-11-21 14:33:45,358 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:33:45" (1/1) ... [2024-11-21 14:33:45,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:33:45" (1/1) ... [2024-11-21 14:33:45,382 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:33:45" (1/1) ... [2024-11-21 14:33:45,385 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:33:45" (1/1) ... [2024-11-21 14:33:45,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:33:45" (1/1) ... [2024-11-21 14:33:45,393 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:33:45" (1/1) ... [2024-11-21 14:33:45,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:33:45" (1/1) ... [2024-11-21 14:33:45,407 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 14:33:45,408 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 14:33:45,408 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 14:33:45,408 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 14:33:45,409 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:33:45" (1/1) ... [2024-11-21 14:33:45,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 14:33:45,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:33:45,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 14:33:45,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 14:33:45,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 14:33:45,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 14:33:45,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 14:33:45,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 14:33:45,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 14:33:45,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 14:33:45,461 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-11-21 14:33:45,461 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-11-21 14:33:45,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-21 14:33:45,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-21 14:33:45,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-21 14:33:45,461 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2024-11-21 14:33:45,461 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2024-11-21 14:33:45,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 14:33:45,463 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 14:33:45,789 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 14:33:45,790 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 14:33:46,280 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 14:33:46,280 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 14:33:46,845 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 14:33:46,846 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-21 14:33:46,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:33:46 BoogieIcfgContainer [2024-11-21 14:33:46,846 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 14:33:46,849 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 14:33:46,849 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 14:33:46,856 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 14:33:46,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 02:33:41" (1/3) ... [2024-11-21 14:33:46,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1618741c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:33:46, skipping insertion in model container [2024-11-21 14:33:46,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:33:45" (2/3) ... [2024-11-21 14:33:46,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1618741c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:33:46, skipping insertion in model container [2024-11-21 14:33:46,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:33:46" (3/3) ... [2024-11-21 14:33:46,861 INFO L128 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_write_nvram.i [2024-11-21 14:33:46,875 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 14:33:46,878 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG char_generic_nvram_read_nvram_write_nvram.i that has 3 procedures, 43 locations, 1 initial locations, 2 loop locations, and 2 error locations. [2024-11-21 14:33:46,879 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 14:33:46,965 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-21 14:33:47,017 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 14:33:47,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 14:33:47,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:33:47,020 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 14:33:47,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 14:33:47,292 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 14:33:47,306 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 14:33:47,312 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@3051d65d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 14:33:47,312 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-21 14:33:47,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-11-21 14:33:47,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-11-21 14:33:47,680 INFO L422 BasicCegarLoop]: Path program histogram: [] [2024-11-21 14:33:47,681 INFO L319 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (1/3) [2024-11-21 14:33:47,686 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 14:33:47,689 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 14:33:47,692 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == whoop_wrapper_write_nvramThread1of1ForFork0 ======== [2024-11-21 14:33:47,693 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@3051d65d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 14:33:47,693 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 14:33:47,804 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:33:47,804 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:33:47,820 INFO L139 ounterexampleChecker]: Examining path program with hash 172429004, occurence #1 [2024-11-21 14:33:47,820 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 14:33:47,820 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:33:47,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:33:47,825 INFO L85 PathProgramCache]: Analyzing trace with hash 206083, now seen corresponding path program 1 times [2024-11-21 14:33:47,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:33:47,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050577578] [2024-11-21 14:33:47,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:33:47,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:33:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:33:49,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 14:33:49,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:33:49,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050577578] [2024-11-21 14:33:49,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050577578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 14:33:49,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 14:33:49,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-21 14:33:49,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46759693] [2024-11-21 14:33:49,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 14:33:49,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 14:33:49,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:33:49,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 14:33:49,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-21 14:33:49,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:33:49,520 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:33:49,522 INFO L472 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) [2024-11-21 14:33:49,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:33:49,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:33:49,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 14:33:49,963 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:33:49,963 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:33:49,963 INFO L139 ounterexampleChecker]: Examining path program with hash -2107139503, occurence #1 [2024-11-21 14:33:49,963 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 14:33:49,964 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:33:49,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:33:49,964 INFO L85 PathProgramCache]: Analyzing trace with hash 291619473, now seen corresponding path program 1 times [2024-11-21 14:33:49,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:33:49,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393540741] [2024-11-21 14:33:49,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:33:49,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:33:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:33:56,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 14:33:56,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:33:56,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393540741] [2024-11-21 14:33:56,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393540741] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 14:33:56,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851790571] [2024-11-21 14:33:56,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:33:56,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 14:33:56,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:33:56,377 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 14:33:56,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 14:33:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:33:56,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-21 14:33:56,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 14:33:57,204 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 [2024-11-21 14:33:57,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 14:33:57,669 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 14:33:58,641 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 14:33:58,642 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 79 treesize of output 66 [2024-11-21 14:33:58,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 14:33:58,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851790571] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 14:33:58,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 14:33:58,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 11] total 36 [2024-11-21 14:33:58,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642033690] [2024-11-21 14:33:58,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 14:33:58,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-21 14:33:58,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:33:58,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-21 14:33:58,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1159, Unknown=0, NotChecked=0, Total=1260 [2024-11-21 14:33:58,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:33:58,810 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:33:58,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 2.138888888888889) internal successors, (77), 36 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 14:33:58,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:33:58,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:34:04,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:34:04,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 14:34:04,365 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-21 14:34:04,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 14:34:04,552 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:34:04,552 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:34:04,552 INFO L139 ounterexampleChecker]: Examining path program with hash 1725549516, occurence #1 [2024-11-21 14:34:04,553 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 14:34:04,553 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:34:04,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:34:04,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1406327124, now seen corresponding path program 2 times [2024-11-21 14:34:04,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:34:04,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564032674] [2024-11-21 14:34:04,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:34:04,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:34:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:34:12,540 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 14:34:12,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:34:12,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564032674] [2024-11-21 14:34:12,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564032674] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 14:34:12,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323576653] [2024-11-21 14:34:12,541 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 14:34:12,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 14:34:12,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:34:12,543 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 14:34:12,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-21 14:34:12,977 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 14:34:12,978 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 14:34:12,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-21 14:34:12,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 14:34:13,269 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 51 [2024-11-21 14:34:13,722 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 15 treesize of output 1 [2024-11-21 14:34:13,807 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 99 treesize of output 67 [2024-11-21 14:34:14,017 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 14:34:14,017 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 14:34:14,165 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 36 treesize of output 32 [2024-11-21 14:34:14,776 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-21 14:34:14,777 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 62 treesize of output 49 [2024-11-21 14:34:14,794 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 14:34:14,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323576653] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-21 14:34:14,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-21 14:34:14,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [22, 15] total 44 [2024-11-21 14:34:14,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914774845] [2024-11-21 14:34:14,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 14:34:14,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-21 14:34:14,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:34:14,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-21 14:34:14,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1752, Unknown=0, NotChecked=0, Total=1892 [2024-11-21 14:34:14,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:34:14,796 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:34:14,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 14:34:14,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:34:14,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-21 14:34:14,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:34:17,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:34:17,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 14:34:17,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 14:34:17,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-21 14:34:17,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 14:34:17,671 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:34:17,671 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:34:17,671 INFO L139 ounterexampleChecker]: Examining path program with hash -940872109, occurence #1 [2024-11-21 14:34:17,671 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 14:34:17,671 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:34:17,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:34:17,671 INFO L85 PathProgramCache]: Analyzing trace with hash 428818121, now seen corresponding path program 1 times [2024-11-21 14:34:17,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:34:17,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754496030] [2024-11-21 14:34:17,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:34:17,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:34:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:34:20,947 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 14:34:20,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:34:20,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754496030] [2024-11-21 14:34:20,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754496030] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 14:34:20,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673571706] [2024-11-21 14:34:20,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:34:20,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 14:34:20,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:34:20,950 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 14:34:20,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-21 14:34:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:34:21,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-21 14:34:21,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 14:34:21,480 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 [2024-11-21 14:34:21,786 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 14:34:21,786 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 14:34:22,613 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 14:34:22,613 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 [2024-11-21 14:34:22,721 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 14:34:22,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673571706] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 14:34:22,721 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 14:34:22,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 11, 11] total 37 [2024-11-21 14:34:22,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164193535] [2024-11-21 14:34:22,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 14:34:22,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-21 14:34:22,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:34:22,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-21 14:34:22,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1231, Unknown=0, NotChecked=0, Total=1332 [2024-11-21 14:34:22,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:34:22,723 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:34:22,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.324324324324324) internal successors, (86), 37 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 14:34:22,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:34:22,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 14:34:22,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 14:34:22,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:34:26,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 14:34:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:34:28,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 14:34:28,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 14:34:28,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 14:34:28,457 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-21 14:34:28,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 14:34:28,641 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:34:28,641 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:34:28,641 INFO L139 ounterexampleChecker]: Examining path program with hash -940872109, occurence #2 [2024-11-21 14:34:28,641 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 14:34:28,642 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-21 14:34:28,658 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 14:34:28,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 14:34:28,658 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:34:28,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-21 14:34:28,659 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:34:28,659 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 14:34:28,659 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:34:28,659 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 14:34:28,822 WARN L331 ript$VariableManager]: TermVariable v_DerPreprocessor_24 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 14:34:28,822 WARN L331 ript$VariableManager]: TermVariable v_DerPreprocessor_35 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 14:34:28,822 WARN L331 ript$VariableManager]: TermVariable v_DerPreprocessor_25 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 14:34:28,823 WARN L331 ript$VariableManager]: TermVariable v_DerPreprocessor_33 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 14:34:28,823 WARN L331 ript$VariableManager]: TermVariable v_DerPreprocessor_34 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 14:34:28,823 WARN L331 ript$VariableManager]: TermVariable v_DerPreprocessor_17 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 14:34:28,823 WARN L331 ript$VariableManager]: TermVariable v_DerPreprocessor_28 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 14:34:28,823 WARN L331 ript$VariableManager]: TermVariable v_DerPreprocessor_18 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 14:34:28,823 WARN L331 ript$VariableManager]: TermVariable v_DerPreprocessor_29 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 14:34:28,823 WARN L331 ript$VariableManager]: TermVariable v_DerPreprocessor_26 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 14:34:28,823 WARN L331 ript$VariableManager]: TermVariable v_DerPreprocessor_15 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 14:34:28,823 WARN L331 ript$VariableManager]: TermVariable v_DerPreprocessor_27 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 14:34:28,823 WARN L331 ript$VariableManager]: TermVariable v_DerPreprocessor_16 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 14:34:28,823 WARN L331 ript$VariableManager]: TermVariable v_DerPreprocessor_31 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 14:34:28,823 WARN L331 ript$VariableManager]: TermVariable v_DerPreprocessor_32 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 14:34:28,823 WARN L331 ript$VariableManager]: TermVariable v_DerPreprocessor_30 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 14:34:28,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:34:28,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1003455677, now seen corresponding path program 1 times [2024-11-21 14:34:28,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 14:34:28,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938547764] [2024-11-21 14:34:28,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:34:28,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:34:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:34:32,742 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 14:34:32,743 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 14:34:32,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938547764] [2024-11-21 14:34:32,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938547764] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 14:34:32,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1760867754] [2024-11-21 14:34:32,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:34:32,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:34:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:34:33,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-21 14:34:33,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 14:34:34,171 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 102 treesize of output 62 [2024-11-21 14:34:35,207 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 14:34:35,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1760867754] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 14:34:35,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 14:34:35,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 23] total 47 [2024-11-21 14:34:35,208 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 14:34:35,208 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 14:34:35,208 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:34:35,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:34:35,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1787562232, now seen corresponding path program 2 times [2024-11-21 14:34:35,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:34:35,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731277715] [2024-11-21 14:34:35,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:34:35,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:34:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:34:42,742 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 14:34:42,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:34:42,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731277715] [2024-11-21 14:34:42,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731277715] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 14:34:42,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860249555] [2024-11-21 14:34:42,743 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 14:34:42,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 14:34:42,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:34:42,746 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 14:34:42,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-21 14:34:43,103 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 14:34:43,103 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 14:34:43,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-21 14:34:43,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 14:34:43,246 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 [2024-11-21 14:34:43,296 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 [2024-11-21 14:34:43,398 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-21 14:34:43,398 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 14:34:43,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860249555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 14:34:43,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 14:34:43,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [28] total 33 [2024-11-21 14:34:43,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152569067] [2024-11-21 14:34:43,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 14:34:43,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 14:34:43,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:34:43,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 14:34:43,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1047, Unknown=0, NotChecked=0, Total=1122 [2024-11-21 14:34:43,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:34:43,400 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:34:43,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 6 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) [2024-11-21 14:34:43,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:34:43,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 14:34:43,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 14:34:43,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 14:34:43,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:34:43,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:34:43,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-21 14:34:43,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 14:34:43,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-21 14:34:43,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 14:34:43,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-21 14:34:44,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 14:34:44,096 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:34:44,096 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:34:44,096 INFO L139 ounterexampleChecker]: Examining path program with hash 1993403250, occurence #1 [2024-11-21 14:34:44,096 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 14:34:44,096 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:34:44,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:34:44,097 INFO L85 PathProgramCache]: Analyzing trace with hash 495957361, now seen corresponding path program 1 times [2024-11-21 14:34:44,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:34:44,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241463292] [2024-11-21 14:34:44,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:34:44,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:34:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:34:48,921 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 14:34:48,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:34:48,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241463292] [2024-11-21 14:34:48,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241463292] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 14:34:48,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644905497] [2024-11-21 14:34:48,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:34:48,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 14:34:48,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:34:48,924 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 14:34:48,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-21 14:34:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:34:49,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-21 14:34:49,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 14:34:49,575 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 [2024-11-21 14:34:50,433 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 14:34:50,434 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 14:34:51,883 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 14:34:51,883 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 [2024-11-21 14:34:52,022 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-21 14:34:52,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644905497] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 14:34:52,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 14:34:52,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 17, 17] total 59 [2024-11-21 14:34:52,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946738930] [2024-11-21 14:34:52,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 14:34:52,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-11-21 14:34:52,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:34:52,024 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-11-21 14:34:52,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=3239, Unknown=0, NotChecked=0, Total=3422 [2024-11-21 14:34:52,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:34:52,025 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:34:52,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 2.0847457627118646) internal successors, (123), 59 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 14:34:52,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:34:52,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-11-21 14:34:52,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 14:34:52,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-11-21 14:34:52,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-21 14:34:52,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:35:10,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 14:35:10,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 14:35:10,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 14:35:10,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-21 14:35:10,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 14:35:10,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-21 14:35:10,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-21 14:35:11,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 14:35:11,183 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:35:11,183 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:35:11,183 INFO L139 ounterexampleChecker]: Examining path program with hash 1041503863, occurence #1 [2024-11-21 14:35:11,183 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 14:35:11,183 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:35:11,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:35:11,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1270191121, now seen corresponding path program 3 times [2024-11-21 14:35:11,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:35:11,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770297256] [2024-11-21 14:35:11,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:35:11,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:35:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 14:35:11,260 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-21 14:35:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 14:35:11,367 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-21 14:35:11,367 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-21 14:35:11,367 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-21 14:35:11,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-21 14:35:11,370 INFO L422 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1] [2024-11-21 14:35:11,370 INFO L319 ceAbstractionStarter]: Result for error location whoop_wrapper_write_nvramThread1of1ForFork0 was UNSAFE (2/3) [2024-11-21 14:35:11,523 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-21 14:35:11,523 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-21 14:35:11,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-21 14:35:11,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 02:35:11 BasicIcfg [2024-11-21 14:35:11,540 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-21 14:35:11,541 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-21 14:35:11,542 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-21 14:35:11,542 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-21 14:35:11,543 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:33:46" (3/4) ... [2024-11-21 14:35:11,543 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-21 14:35:11,670 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 38. [2024-11-21 14:35:11,744 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-11-21 14:35:11,745 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.yml [2024-11-21 14:35:11,745 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-21 14:35:11,747 INFO L158 Benchmark]: Toolchain (without parser) took 90694.58ms. Allocated memory was 83.9MB in the beginning and 872.4MB in the end (delta: 788.5MB). Free memory was 49.8MB in the beginning and 721.5MB in the end (delta: -671.7MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB. [2024-11-21 14:35:11,747 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 63.4MB in the beginning and 63.4MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 14:35:11,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4161.71ms. Allocated memory was 83.9MB in the beginning and 201.3MB in the end (delta: 117.4MB). Free memory was 49.5MB in the beginning and 136.2MB in the end (delta: -86.7MB). Peak memory consumption was 142.7MB. Max. memory is 16.1GB. [2024-11-21 14:35:11,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 128.60ms. Allocated memory is still 201.3MB. Free memory was 136.2MB in the beginning and 127.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-21 14:35:11,749 INFO L158 Benchmark]: Boogie Preprocessor took 63.74ms. Allocated memory is still 201.3MB. Free memory was 127.1MB in the beginning and 122.8MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-21 14:35:11,749 INFO L158 Benchmark]: RCFGBuilder took 1438.11ms. Allocated memory is still 201.3MB. Free memory was 122.8MB in the beginning and 120.1MB in the end (delta: 2.8MB). Peak memory consumption was 112.5MB. Max. memory is 16.1GB. [2024-11-21 14:35:11,749 INFO L158 Benchmark]: TraceAbstraction took 84691.69ms. Allocated memory was 201.3MB in the beginning and 872.4MB in the end (delta: 671.1MB). Free memory was 120.1MB in the beginning and 776.7MB in the end (delta: -656.6MB). Peak memory consumption was 520.5MB. Max. memory is 16.1GB. [2024-11-21 14:35:11,750 INFO L158 Benchmark]: Witness Printer took 204.48ms. Allocated memory is still 872.4MB. Free memory was 776.7MB in the beginning and 721.5MB in the end (delta: 55.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-21 14:35:11,753 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 63.4MB in the beginning and 63.4MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4161.71ms. Allocated memory was 83.9MB in the beginning and 201.3MB in the end (delta: 117.4MB). Free memory was 49.5MB in the beginning and 136.2MB in the end (delta: -86.7MB). Peak memory consumption was 142.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 128.60ms. Allocated memory is still 201.3MB. Free memory was 136.2MB in the beginning and 127.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.74ms. Allocated memory is still 201.3MB. Free memory was 127.1MB in the beginning and 122.8MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1438.11ms. Allocated memory is still 201.3MB. Free memory was 122.8MB in the beginning and 120.1MB in the end (delta: 2.8MB). Peak memory consumption was 112.5MB. Max. memory is 16.1GB. * TraceAbstraction took 84691.69ms. Allocated memory was 201.3MB in the beginning and 872.4MB in the end (delta: 671.1MB). Free memory was 120.1MB in the beginning and 776.7MB in the end (delta: -656.6MB). Peak memory consumption was 520.5MB. Max. memory is 16.1GB. * Witness Printer took 204.48ms. Allocated memory is still 872.4MB. Free memory was 776.7MB in the beginning and 721.5MB in the end (delta: 55.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 5817]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 431, independent: 423, independent conditional: 12, independent unconditional: 411, dependent: 8, dependent conditional: 4, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 427, independent: 423, independent conditional: 12, independent unconditional: 411, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 427, independent: 423, independent conditional: 12, independent unconditional: 411, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 427, independent: 423, independent conditional: 12, independent unconditional: 411, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 427, independent: 423, independent conditional: 0, independent unconditional: 423, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 427, independent: 423, independent conditional: 0, independent unconditional: 423, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 415, independent: 411, independent conditional: 0, independent unconditional: 411, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 415, independent: 410, independent conditional: 0, independent unconditional: 410, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 315, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 276, dependent conditional: 0, dependent unconditional: 276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 427, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 415, unknown conditional: 0, unknown unconditional: 415] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 411, Positive conditional cache size: 0, Positive unconditional cache size: 411, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12, Maximal queried relation: 0, Independence queries for same thread: 4, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 20, Number of trivial persistent sets: 18, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 415, independent: 411, independent conditional: 0, independent unconditional: 411, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 431, independent: 423, independent conditional: 12, independent unconditional: 411, dependent: 8, dependent conditional: 4, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 427, independent: 423, independent conditional: 12, independent unconditional: 411, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 427, independent: 423, independent conditional: 12, independent unconditional: 411, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 427, independent: 423, independent conditional: 12, independent unconditional: 411, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 427, independent: 423, independent conditional: 0, independent unconditional: 423, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 427, independent: 423, independent conditional: 0, independent unconditional: 423, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 415, independent: 411, independent conditional: 0, independent unconditional: 411, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 415, independent: 410, independent conditional: 0, independent unconditional: 410, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 315, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 276, dependent conditional: 0, dependent unconditional: 276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 427, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 415, unknown conditional: 0, unknown unconditional: 415] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 411, Positive conditional cache size: 0, Positive unconditional cache size: 411, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12, Maximal queried relation: 0, Independence queries for same thread: 4 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2957, independent: 2477, independent conditional: 1576, independent unconditional: 901, dependent: 480, dependent conditional: 467, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2510, independent: 2477, independent conditional: 1576, independent unconditional: 901, dependent: 33, dependent conditional: 20, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2510, independent: 2477, independent conditional: 1576, independent unconditional: 901, dependent: 33, dependent conditional: 20, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2605, independent: 2477, independent conditional: 1576, independent unconditional: 901, dependent: 128, dependent conditional: 115, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2605, independent: 2477, independent conditional: 18, independent unconditional: 2459, dependent: 128, dependent conditional: 57, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2605, independent: 2477, independent conditional: 18, independent unconditional: 2459, dependent: 128, dependent conditional: 57, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 546, independent: 513, independent conditional: 12, independent unconditional: 501, dependent: 33, dependent conditional: 24, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 546, independent: 500, independent conditional: 0, independent unconditional: 500, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 46, independent: 13, independent conditional: 12, independent unconditional: 1, dependent: 33, dependent conditional: 24, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, independent: 13, independent conditional: 12, independent unconditional: 1, dependent: 33, dependent conditional: 24, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1319, independent: 364, independent conditional: 349, independent unconditional: 15, dependent: 955, dependent conditional: 619, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 1, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 2605, independent: 1964, independent conditional: 6, independent unconditional: 1958, dependent: 95, dependent conditional: 33, dependent unconditional: 62, unknown: 546, unknown conditional: 36, unknown unconditional: 510] , Statistics on independence cache: Total cache size (in pairs): 962, Positive cache size: 925, Positive conditional cache size: 13, Positive unconditional cache size: 912, Negative cache size: 37, Negative conditional cache size: 24, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1616, Maximal queried relation: 6, Independence queries for same thread: 447, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 106, Number of trivial persistent sets: 93, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 914, independent: 901, independent conditional: 0, independent unconditional: 901, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2957, independent: 2477, independent conditional: 1576, independent unconditional: 901, dependent: 480, dependent conditional: 467, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2510, independent: 2477, independent conditional: 1576, independent unconditional: 901, dependent: 33, dependent conditional: 20, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2510, independent: 2477, independent conditional: 1576, independent unconditional: 901, dependent: 33, dependent conditional: 20, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2605, independent: 2477, independent conditional: 1576, independent unconditional: 901, dependent: 128, dependent conditional: 115, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2605, independent: 2477, independent conditional: 18, independent unconditional: 2459, dependent: 128, dependent conditional: 57, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2605, independent: 2477, independent conditional: 18, independent unconditional: 2459, dependent: 128, dependent conditional: 57, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 546, independent: 513, independent conditional: 12, independent unconditional: 501, dependent: 33, dependent conditional: 24, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 546, independent: 500, independent conditional: 0, independent unconditional: 500, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 46, independent: 13, independent conditional: 12, independent unconditional: 1, dependent: 33, dependent conditional: 24, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, independent: 13, independent conditional: 12, independent unconditional: 1, dependent: 33, dependent conditional: 24, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1319, independent: 364, independent conditional: 349, independent unconditional: 15, dependent: 955, dependent conditional: 619, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 1, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 2605, independent: 1964, independent conditional: 6, independent unconditional: 1958, dependent: 95, dependent conditional: 33, dependent unconditional: 62, unknown: 546, unknown conditional: 36, unknown unconditional: 510] , Statistics on independence cache: Total cache size (in pairs): 962, Positive cache size: 925, Positive conditional cache size: 13, Positive unconditional cache size: 912, Negative cache size: 37, Negative conditional cache size: 24, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1616, Maximal queried relation: 6, Independence queries for same thread: 447 - CounterExampleResult [Line: 175]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L247] 0 unsigned long jiffies; [L6522] 0 const unsigned int default_alloc_size = 4; [L6692] 0 static struct mutex nvram_mutex = { 1, 0 }; [L6693] 0 static ssize_t nvram_len; [L6790-L6796] 0 struct file_operations nvram_fops = { .owner = ((struct module *)0), .llseek = nvram_llseek, .read = read_nvram, .write = write_nvram, .unlocked_ioctl = nvram_unlocked_ioctl, }; [L6797-L6801] 0 static struct miscdevice nvram_dev = { 144, "nvram", &nvram_fops }; [L6820] 0 int (* _whoop_init)(void) = nvram_init; [L6821] 0 void (* _whoop_exit)(void) = nvram_cleanup; [L6822] 0 struct inode *whoop_inode_0; [L6823] 0 struct file *whoop_file_0; [L6824] 0 struct inode *whoop_inode_1; [L6825] 0 struct file *whoop_file_1; [L6826] 0 struct inode *whoop_inode_2; [L6827] 0 struct file *whoop_file_2; [L6828] 0 struct inode *whoop_inode_3; [L6829] 0 struct file *whoop_file_3; [L6830] 0 struct inode *whoop_inode_4; [L6831] 0 struct file *whoop_file_4; [L6832] 0 struct pci_dev *whoop_pci_dev; [L6833] 0 char *whoop_buf; [L6834] 0 struct platform_device *whoop_platform_device; [L6835] 0 struct vm_area_struct *whoop_vm_area_struct; [L6836] 0 struct cx_dev *whoop_cx_dev; [L6837] 0 poll_table *whoop_poll_table; [L6838] 0 loff_t *whoop_loff_t; [L6839] 0 int whoop_int; [L6867] 0 whoop_inode_0 = (struct inode *) malloc(sizeof(struct inode)) [L6868] 0 whoop_file_0 = (struct file *) malloc(sizeof(struct file)) [L6869] 0 whoop_inode_1 = (struct inode *) malloc(sizeof(struct inode)) [L6870] 0 whoop_file_1 = (struct file *) malloc(sizeof(struct file)) [L6871] 0 whoop_inode_2 = (struct inode *) malloc(sizeof(struct inode)) [L6872] 0 whoop_file_2 = (struct file *) malloc(sizeof(struct file)) [L6873] 0 whoop_inode_3 = (struct inode *) malloc(sizeof(struct inode)) [L6874] 0 whoop_file_3 = (struct file *) malloc(sizeof(struct file)) [L6875] 0 whoop_inode_4 = (struct inode *) malloc(sizeof(struct inode)) [L6876] 0 whoop_file_4 = (struct file *) malloc(sizeof(struct file)) [L6877] 0 whoop_pci_dev = (struct pci_dev *) malloc(sizeof(struct pci_dev)) [L6878] 0 whoop_buf = (char *) malloc(sizeof(char)) [L6879] 0 whoop_platform_device = (struct platform_device *) malloc(sizeof(struct platform_device)) [L6880] 0 whoop_vm_area_struct = (struct vm_area_struct *) malloc(sizeof(struct vm_area_struct)) [L6881] 0 whoop_cx_dev = (struct cx_dev *) malloc(sizeof(struct cx_dev)) [L6882] 0 whoop_poll_table = (poll_table *) malloc(sizeof(poll_table)) [L6883] 0 whoop_loff_t = (loff_t *) malloc(sizeof(loff_t)) [L6884] 0 *whoop_loff_t = __VERIFIER_nondet_longlong() [L6885] 0 whoop_int = __VERIFIER_nondet_int() [L6886] CALL 0 assume_abort_if_not(whoop_int >= 0) [L171] COND FALSE 0 !(!cond) [L6886] RET 0 assume_abort_if_not(whoop_int >= 0) [L6887] CALL, EXPR 0 _whoop_init() [L6804] 0 int ret = 0; [L6805-L6806] CALL 0 printk("\001" "6" "Generic non-volatile memory driver v%s\n", "1.1") [L6650] 0 return __VERIFIER_nondet_int(); [L6805-L6806] RET 0 printk("\001" "6" "Generic non-volatile memory driver v%s\n", "1.1") [L6807] CALL, EXPR 0 misc_register(&nvram_dev) [L6624] 0 return __VERIFIER_nondet_int(); [L6807] RET, EXPR 0 misc_register(&nvram_dev) [L6807] 0 ret = misc_register(&nvram_dev) [L6808] COND FALSE 0 !(ret != 0) [L6810] CALL, EXPR 0 nvram_get_size() [L6632] 0 return __VERIFIER_nondet_long(); [L6810] RET, EXPR 0 nvram_get_size() [L6810] 0 nvram_len = nvram_get_size() [L6811] COND FALSE 0 !(nvram_len < 0) [L6814] 0 return ret; [L6887] RET, EXPR 0 _whoop_init() [L6887] 0 int _whoop_init_result = _whoop_init(); [L6888] 0 pthread_t pthread_t_write_nvram; [L6889] 0 pthread_t pthread_t_read_nvram; [L6890] 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=8192, nvram_mutex={7:0}, pthread_t_write_nvram=-1, whoop_buf={-10:0}, whoop_cx_dev={-13:0}, whoop_file_0={-14:0}, whoop_file_1={-17:0}, whoop_file_2={-3:0}, whoop_file_3={-6:0}, whoop_file_4={-18:0}, whoop_inode_0={-4:0}, whoop_inode_1={-9:0}, whoop_inode_2={-8:0}, whoop_inode_3={-11:0}, whoop_inode_4={-12:0}, whoop_int=1, whoop_loff_t={-2:0}, whoop_pci_dev={-5:0}, whoop_platform_device={-16:0}, whoop_poll_table={-7:0}, whoop_vm_area_struct={-15:0}] [L6842] CALL 1 write_nvram(whoop_file_0, whoop_buf, whoop_int, whoop_loff_t) [L6744] 1 unsigned int i; [L6745] 1 const char *p = buf; [L6746] 1 char c = __VERIFIER_nondet_char(); [L6747] CALL, EXPR 1 access_ok(0, buf, count) [L6551] 1 return __VERIFIER_nondet_int(); [L6747] RET, EXPR 1 access_ok(0, buf, count) [L6747] COND FALSE 1 !(!access_ok(0, buf, count)) [L6750] EXPR 1 \read(*ppos) [L6750] 1 ssize_t lppos = *ppos; [L6752] COND FALSE 1 !(lppos >= nvram_len) VAL [\old(buf)={-10:0}, \old(count)=1, \old(file)={-14:0}, \old(ppos)={-2:0}, _whoop_exit={-1:5}, _whoop_init={-1:4}, buf={-10:0}, c=0, count=1, default_alloc_size=4, file={-14:0}, jiffies=0, lppos=8190, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=8192, nvram_mutex={7:0}, p={-10:0}, ppos={-2:0}, whoop_buf={-10:0}, whoop_cx_dev={-13:0}, whoop_file_0={-14:0}, whoop_file_1={-17:0}, whoop_file_2={-3:0}, whoop_file_3={-6:0}, whoop_file_4={-18:0}, whoop_inode_0={-4:0}, whoop_inode_1={-9:0}, whoop_inode_2={-8:0}, whoop_inode_3={-11:0}, whoop_inode_4={-12:0}, whoop_int=1, whoop_loff_t={-2:0}, whoop_pci_dev={-5:0}, whoop_platform_device={-16:0}, whoop_poll_table={-7:0}, whoop_vm_area_struct={-15:0}] [L6755] EXPR 1 \read(*ppos) [L6755] 1 lppos = *ppos [L6757] 1 i = lppos VAL [\old(buf)={-10:0}, \old(count)=1, \old(file)={-14:0}, \old(ppos)={-2:0}, _whoop_exit={-1:5}, _whoop_init={-1:4}, buf={-10:0}, c=0, count=1, default_alloc_size=4, file={-14:0}, i=8190, jiffies=0, lppos=8190, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=8192, nvram_mutex={7:0}, p={-10:0}, ppos={-2:0}, whoop_buf={-10:0}, whoop_cx_dev={-13:0}, whoop_file_0={-14:0}, whoop_file_1={-17:0}, whoop_file_2={-3:0}, whoop_file_3={-6:0}, whoop_file_4={-18:0}, whoop_inode_0={-4:0}, whoop_inode_1={-9:0}, whoop_inode_2={-8:0}, whoop_inode_3={-11:0}, whoop_inode_4={-12:0}, whoop_int=1, whoop_loff_t={-2:0}, whoop_pci_dev={-5:0}, whoop_platform_device={-16:0}, whoop_poll_table={-7:0}, whoop_vm_area_struct={-15:0}] [L6891] 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=8192, nvram_mutex={7:0}, pthread_t_read_nvram=0, pthread_t_write_nvram=-1, whoop_buf={-10:0}, whoop_cx_dev={-13:0}, whoop_file_0={-14:0}, whoop_file_1={-17:0}, whoop_file_2={-3:0}, whoop_file_3={-6:0}, whoop_file_4={-18:0}, whoop_inode_0={-4:0}, whoop_inode_1={-9:0}, whoop_inode_2={-8:0}, whoop_inode_3={-11:0}, whoop_inode_4={-12:0}, whoop_int=1, whoop_loff_t={-2:0}, whoop_pci_dev={-5:0}, whoop_platform_device={-16:0}, whoop_poll_table={-7:0}, whoop_vm_area_struct={-15:0}] [L6847] CALL 2 read_nvram(whoop_file_1, whoop_buf, whoop_int, whoop_loff_t) [L6717] 2 unsigned int i; [L6718] 2 char *p = buf; [L6719] CALL, EXPR 2 access_ok(1, buf, count) [L6551] 2 return __VERIFIER_nondet_int(); [L6719] RET, EXPR 2 access_ok(1, buf, count) [L6719] COND FALSE 2 !(!access_ok(1, buf, count)) [L6722] EXPR 2 \read(*ppos) [L6722] 2 ssize_t lppos = *ppos; [L6724] COND FALSE 2 !(lppos >= nvram_len) VAL [\old(buf)={-10:0}, \old(count)=1, \old(file)={-17:0}, \old(ppos)={-2:0}, _whoop_exit={-1:5}, _whoop_init={-1:4}, buf={-10:0}, count=1, default_alloc_size=4, file={-17:0}, jiffies=0, lppos=8190, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=8192, nvram_mutex={7:0}, p={-10:0}, ppos={-2:0}, whoop_buf={-10:0}, whoop_cx_dev={-13:0}, whoop_file_0={-14:0}, whoop_file_1={-17:0}, whoop_file_2={-3:0}, whoop_file_3={-6:0}, whoop_file_4={-18:0}, whoop_inode_0={-4:0}, whoop_inode_1={-9:0}, whoop_inode_2={-8:0}, whoop_inode_3={-11:0}, whoop_inode_4={-12:0}, whoop_int=1, whoop_loff_t={-2:0}, whoop_pci_dev={-5:0}, whoop_platform_device={-16:0}, whoop_poll_table={-7:0}, whoop_vm_area_struct={-15:0}] [L6757] COND TRUE 1 count > 0 && i < nvram_len [L6758] CALL 1 __get_user(c, p) [L6535] 1 return __VERIFIER_nondet_int(); [L6758] RET 1 __get_user(c, p) [L6758] COND FALSE 1 !(__get_user(c, p)) [L6760] FCALL 1 nvram_write_byte(c, i) [L6757] 1 ++i [L6757] 1 ++p [L6757] 1 --count VAL [\old(buf)={-10:0}, \old(count)=1, \old(file)={-14:0}, \old(ppos)={-2:0}, _whoop_exit={-1:5}, _whoop_init={-1:4}, buf={-10:0}, c=0, count=0, default_alloc_size=4, file={-14:0}, i=8191, jiffies=0, lppos=8190, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=8192, nvram_mutex={7:0}, p={-10:1}, ppos={-2:0}, whoop_buf={-10:0}, whoop_cx_dev={-13:0}, whoop_file_0={-14:0}, whoop_file_1={-17:0}, whoop_file_2={-3:0}, whoop_file_3={-6:0}, whoop_file_4={-18:0}, whoop_inode_0={-4:0}, whoop_inode_1={-9:0}, whoop_inode_2={-8:0}, whoop_inode_3={-11:0}, whoop_inode_4={-12:0}, whoop_int=1, whoop_loff_t={-2:0}, whoop_pci_dev={-5:0}, whoop_platform_device={-16:0}, whoop_poll_table={-7:0}, whoop_vm_area_struct={-15:0}] [L6757] COND FALSE 1 !(count > 0 && i < nvram_len) VAL [\old(buf)={-10:0}, \old(count)=1, \old(file)={-14:0}, \old(ppos)={-2:0}, _whoop_exit={-1:5}, _whoop_init={-1:4}, buf={-10:0}, c=0, count=0, default_alloc_size=4, file={-14:0}, i=8191, jiffies=0, lppos=8190, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=8192, nvram_mutex={7:0}, p={-10:1}, ppos={-2:0}, whoop_buf={-10:0}, whoop_cx_dev={-13:0}, whoop_file_0={-14:0}, whoop_file_1={-17:0}, whoop_file_2={-3:0}, whoop_file_3={-6:0}, whoop_file_4={-18:0}, whoop_inode_0={-4:0}, whoop_inode_1={-9:0}, whoop_inode_2={-8:0}, whoop_inode_3={-11:0}, whoop_inode_4={-12:0}, whoop_int=1, whoop_loff_t={-2:0}, whoop_pci_dev={-5:0}, whoop_platform_device={-16:0}, whoop_poll_table={-7:0}, whoop_vm_area_struct={-15:0}] [L6763] 1 *ppos = i VAL [\old(buf)={-10:0}, \old(count)=1, \old(file)={-14:0}, \old(ppos)={-2:0}, _whoop_exit={-1:5}, _whoop_init={-1:4}, buf={-10:0}, c=0, count=0, default_alloc_size=4, file={-14:0}, i=8191, jiffies=0, lppos=8190, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=8192, nvram_mutex={7:0}, p={-10:1}, ppos={-2:0}, whoop_buf={-10:0}, whoop_cx_dev={-13:0}, whoop_file_0={-14:0}, whoop_file_1={-17:0}, whoop_file_2={-3:0}, whoop_file_3={-6:0}, whoop_file_4={-18:0}, whoop_inode_0={-4:0}, whoop_inode_1={-9:0}, whoop_inode_2={-8:0}, whoop_inode_3={-11:0}, whoop_inode_4={-12:0}, whoop_int=1, whoop_loff_t={-2:0}, whoop_pci_dev={-5:0}, whoop_platform_device={-16:0}, whoop_poll_table={-7:0}, whoop_vm_area_struct={-15:0}] [L6727] EXPR 2 \read(*ppos) [L6727] 2 lppos = *ppos [L6729] 2 i = lppos VAL [\old(buf)={-10:0}, \old(count)=1, \old(file)={-17:0}, \old(ppos)={-2:0}, _whoop_exit={-1:5}, _whoop_init={-1:4}, buf={-10:0}, count=1, default_alloc_size=4, file={-17:0}, i=8191, jiffies=0, lppos=8191, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=8192, nvram_mutex={7:0}, p={-10:0}, ppos={-2:0}, whoop_buf={-10:0}, whoop_cx_dev={-13:0}, whoop_file_0={-14:0}, whoop_file_1={-17:0}, whoop_file_2={-3:0}, whoop_file_3={-6:0}, whoop_file_4={-18:0}, whoop_inode_0={-4:0}, whoop_inode_1={-9:0}, whoop_inode_2={-8:0}, whoop_inode_3={-11:0}, whoop_inode_4={-12:0}, whoop_int=1, whoop_loff_t={-2:0}, whoop_pci_dev={-5:0}, whoop_platform_device={-16:0}, whoop_poll_table={-7:0}, whoop_vm_area_struct={-15:0}] [L6729] COND TRUE 2 count > 0 && i < nvram_len [L6730] CALL, EXPR 2 nvram_read_byte(i) [L6636] 2 return __VERIFIER_nondet_uchar(); [L6730] RET, EXPR 2 nvram_read_byte(i) [L6730] CALL 2 __put_user(nvram_read_byte(i), p) [L6543] 2 return __VERIFIER_nondet_int(); [L6730] RET 2 __put_user(nvram_read_byte(i), p) [L6730] COND FALSE 2 !(__put_user(nvram_read_byte(i), p)) [L6729] 2 ++i [L6729] 2 ++p [L6729] 2 --count VAL [\old(buf)={-10:0}, \old(count)=1, \old(file)={-17:0}, \old(ppos)={-2:0}, _whoop_exit={-1:5}, _whoop_init={-1:4}, buf={-10:0}, count=0, default_alloc_size=4, file={-17:0}, i=8192, jiffies=0, lppos=8191, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=8192, nvram_mutex={7:0}, p={-10:1}, ppos={-2:0}, whoop_buf={-10:0}, whoop_cx_dev={-13:0}, whoop_file_0={-14:0}, whoop_file_1={-17:0}, whoop_file_2={-3:0}, whoop_file_3={-6:0}, whoop_file_4={-18:0}, whoop_inode_0={-4:0}, whoop_inode_1={-9:0}, whoop_inode_2={-8:0}, whoop_inode_3={-11:0}, whoop_inode_4={-12:0}, whoop_int=1, whoop_loff_t={-2:0}, whoop_pci_dev={-5:0}, whoop_platform_device={-16:0}, whoop_poll_table={-7:0}, whoop_vm_area_struct={-15:0}] [L6729] COND FALSE 2 !(count > 0 && i < nvram_len) VAL [\old(buf)={-10:0}, \old(count)=1, \old(file)={-17:0}, \old(ppos)={-2:0}, _whoop_exit={-1:5}, _whoop_init={-1:4}, buf={-10:0}, count=0, default_alloc_size=4, file={-17:0}, i=8192, jiffies=0, lppos=8191, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=8192, nvram_mutex={7:0}, p={-10:1}, ppos={-2:0}, whoop_buf={-10:0}, whoop_cx_dev={-13:0}, whoop_file_0={-14:0}, whoop_file_1={-17:0}, whoop_file_2={-3:0}, whoop_file_3={-6:0}, whoop_file_4={-18:0}, whoop_inode_0={-4:0}, whoop_inode_1={-9:0}, whoop_inode_2={-8:0}, whoop_inode_3={-11:0}, whoop_inode_4={-12:0}, whoop_int=1, whoop_loff_t={-2:0}, whoop_pci_dev={-5:0}, whoop_platform_device={-16:0}, whoop_poll_table={-7:0}, whoop_vm_area_struct={-15:0}] [L6733] 2 *ppos = i VAL [\old(buf)={-10:0}, \old(count)=1, \old(file)={-17:0}, \old(ppos)={-2:0}, _whoop_exit={-1:5}, _whoop_init={-1:4}, buf={-10:0}, count=0, default_alloc_size=4, file={-17:0}, i=8192, jiffies=0, lppos=8191, nvram_dev={9:0}, nvram_fops={8:0}, nvram_len=8192, nvram_mutex={7:0}, p={-10:1}, ppos={-2:0}, whoop_buf={-10:0}, whoop_cx_dev={-13:0}, whoop_file_0={-14:0}, whoop_file_1={-17:0}, whoop_file_2={-3:0}, whoop_file_3={-6:0}, whoop_file_4={-18:0}, whoop_inode_0={-4:0}, whoop_inode_1={-9:0}, whoop_inode_2={-8:0}, whoop_inode_3={-11:0}, whoop_inode_4={-12:0}, whoop_int=1, whoop_loff_t={-2:0}, whoop_pci_dev={-5:0}, whoop_platform_device={-16:0}, whoop_poll_table={-7:0}, whoop_vm_area_struct={-15:0}] [L6766] EXPR 1 \read(*ppos) [L6766] 1 lppos = *ppos [L6768] CALL 1 __VERIFIER_assert(lppos == i) [L174] 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=8192, nvram_mutex={7:0}, whoop_buf={-10:0}, whoop_cx_dev={-13:0}, whoop_file_0={-14:0}, whoop_file_1={-17:0}, whoop_file_2={-3:0}, whoop_file_3={-6:0}, whoop_file_4={-18:0}, whoop_inode_0={-4:0}, whoop_inode_1={-9:0}, whoop_inode_2={-8:0}, whoop_inode_3={-11:0}, whoop_inode_4={-12:0}, whoop_int=1, whoop_loff_t={-2:0}, whoop_pci_dev={-5:0}, whoop_platform_device={-16:0}, whoop_poll_table={-7:0}, whoop_vm_area_struct={-15:0}] [L175] 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=8192, nvram_mutex={7:0}, whoop_buf={-10:0}, whoop_cx_dev={-13:0}, whoop_file_0={-14:0}, whoop_file_1={-17:0}, whoop_file_2={-3:0}, whoop_file_3={-6:0}, whoop_file_4={-18:0}, whoop_inode_0={-4:0}, whoop_inode_1={-9:0}, whoop_inode_2={-8:0}, whoop_inode_3={-11:0}, whoop_inode_4={-12:0}, whoop_int=1, whoop_loff_t={-2:0}, whoop_pci_dev={-5:0}, whoop_platform_device={-16:0}, whoop_poll_table={-7:0}, whoop_vm_area_struct={-15:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 79 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.4s, 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, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: whoop_wrapper_write_nvramThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 79 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 83.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 33.9s, 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: 166, 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, 1.8s SatisfiabilityAnalysisTime, 38.6s InterpolantComputationTime, 469 NumberOfCodeBlocks, 451 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 580 ConstructedInterpolants, 0 QuantifiedInterpolants, 25023 SizeOfPredicates, 103 NumberOfNonLiveVariables, 3376 ConjunctsInSsa, 223 ConjunctsInUnsatCore, 15 InterpolantComputations, 3 PerfectInterpolantSequences, 58/226 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, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 6565, ConditionCalculationTime [ms]: 161, ConditionCalculations: 4, QuantifiedConditions: 0, TraceChecks: 1, UnknownTraceChecks: 0, ImperfectProofs: 1 RESULT: Ultimate proved your program to be incorrect! [2024-11-21 14:35:11,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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