./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb1deb2-da1b-4af0-b282-adfc07a08498/bin/ugemcutter-verify-Z6otQMs9Ca/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb1deb2-da1b-4af0-b282-adfc07a08498/bin/ugemcutter-verify-Z6otQMs9Ca/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb1deb2-da1b-4af0-b282-adfc07a08498/bin/ugemcutter-verify-Z6otQMs9Ca/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb1deb2-da1b-4af0-b282-adfc07a08498/bin/ugemcutter-verify-Z6otQMs9Ca/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb1deb2-da1b-4af0-b282-adfc07a08498/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb1deb2-da1b-4af0-b282-adfc07a08498/bin/ugemcutter-verify-Z6otQMs9Ca --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f16b4cfe031f645c2fa5eeec572887c79d8e9243727503d849e4b19e0e31cc63 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 11:29:32,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 11:29:33,083 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb1deb2-da1b-4af0-b282-adfc07a08498/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2024-11-23 11:29:33,094 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 11:29:33,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 11:29:33,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 11:29:33,144 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 11:29:33,144 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 11:29:33,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 11:29:33,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 11:29:33,145 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 11:29:33,145 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 11:29:33,147 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 11:29:33,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 11:29:33,149 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 11:29:33,149 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 11:29:33,149 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 11:29:33,150 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 11:29:33,150 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 11:29:33,150 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 11:29:33,151 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 11:29:33,151 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 11:29:33,151 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 11:29:33,151 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 11:29:33,152 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 11:29:33,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 11:29:33,152 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 11:29:33,152 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 11:29:33,152 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 11:29:33,152 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 11:29:33,153 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 11:29:33,153 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 11:29:33,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:29:33,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 11:29:33,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 11:29:33,155 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 11:29:33,155 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 11:29:33,155 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 11:29:33,155 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-23 11:29:33,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 11:29:33,156 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 11:29:33,156 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-23 11:29:33,156 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-23 11:29:33,156 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-23 11:29:33,156 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-23 11:29:33,156 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb1deb2-da1b-4af0-b282-adfc07a08498/bin/ugemcutter-verify-Z6otQMs9Ca Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f16b4cfe031f645c2fa5eeec572887c79d8e9243727503d849e4b19e0e31cc63 [2024-11-23 11:29:33,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 11:29:33,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 11:29:33,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 11:29:33,597 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 11:29:33,598 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 11:29:33,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb1deb2-da1b-4af0-b282-adfc07a08498/bin/ugemcutter-verify-Z6otQMs9Ca/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2024-11-23 11:29:37,059 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb1deb2-da1b-4af0-b282-adfc07a08498/bin/ugemcutter-verify-Z6otQMs9Ca/data/272fad4f0/a853d864ecd7473eafbeba04c44ae616/FLAG7647c6c04 [2024-11-23 11:29:37,834 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 11:29:37,835 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb1deb2-da1b-4af0-b282-adfc07a08498/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2024-11-23 11:29:37,900 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb1deb2-da1b-4af0-b282-adfc07a08498/bin/ugemcutter-verify-Z6otQMs9Ca/data/272fad4f0/a853d864ecd7473eafbeba04c44ae616/FLAG7647c6c04 [2024-11-23 11:29:37,924 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb1deb2-da1b-4af0-b282-adfc07a08498/bin/ugemcutter-verify-Z6otQMs9Ca/data/272fad4f0/a853d864ecd7473eafbeba04c44ae616 [2024-11-23 11:29:37,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 11:29:37,930 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 11:29:37,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 11:29:37,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 11:29:37,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 11:29:37,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:29:37" (1/1) ... [2024-11-23 11:29:37,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3085f6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:37, skipping insertion in model container [2024-11-23 11:29:37,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:29:37" (1/1) ... [2024-11-23 11:29:38,079 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 11:29:44,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:29:44,448 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 11:29:44,643 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] [2024-11-23 11:29:44,645 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] [2024-11-23 11:29:44,645 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] [2024-11-23 11:29:44,646 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] [2024-11-23 11:29:44,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2024-11-23 11:29:44,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:29:45,495 INFO L204 MainTranslator]: Completed translation [2024-11-23 11:29:45,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:45 WrapperNode [2024-11-23 11:29:45,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 11:29:45,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 11:29:45,498 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 11:29:45,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 11:29:45,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:45" (1/1) ... [2024-11-23 11:29:45,597 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:45" (1/1) ... [2024-11-23 11:29:45,664 INFO L138 Inliner]: procedures = 1354, calls = 1480, calls flagged for inlining = 353, calls inlined = 20, statements flattened = 402 [2024-11-23 11:29:45,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 11:29:45,665 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 11:29:45,665 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 11:29:45,665 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 11:29:45,678 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:45" (1/1) ... [2024-11-23 11:29:45,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:45" (1/1) ... [2024-11-23 11:29:45,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:45" (1/1) ... [2024-11-23 11:29:45,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:45" (1/1) ... [2024-11-23 11:29:45,708 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:45" (1/1) ... [2024-11-23 11:29:45,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:45" (1/1) ... [2024-11-23 11:29:45,714 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:45" (1/1) ... [2024-11-23 11:29:45,718 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:45" (1/1) ... [2024-11-23 11:29:45,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:45" (1/1) ... [2024-11-23 11:29:45,728 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 11:29:45,729 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 11:29:45,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 11:29:45,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 11:29:45,730 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:45" (1/1) ... [2024-11-23 11:29:45,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:29:45,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb1deb2-da1b-4af0-b282-adfc07a08498/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:29:45,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb1deb2-da1b-4af0-b282-adfc07a08498/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-23 11:29:45,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb1deb2-da1b-4af0-b282-adfc07a08498/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-23 11:29:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-23 11:29:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 11:29:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 11:29:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 11:29:45,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 11:29:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-23 11:29:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-11-23 11:29:45,813 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-11-23 11:29:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 11:29:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 11:29:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-23 11:29:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2024-11-23 11:29:45,814 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2024-11-23 11:29:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 11:29:45,816 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 11:29:46,369 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 11:29:46,372 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 11:29:47,200 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 11:29:47,200 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 11:29:48,116 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 11:29:48,119 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 11:29:48,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:29:48 BoogieIcfgContainer [2024-11-23 11:29:48,120 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 11:29:48,122 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 11:29:48,123 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 11:29:48,128 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 11:29:48,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:29:37" (1/3) ... [2024-11-23 11:29:48,129 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd81110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:29:48, skipping insertion in model container [2024-11-23 11:29:48,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:45" (2/3) ... [2024-11-23 11:29:48,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd81110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:29:48, skipping insertion in model container [2024-11-23 11:29:48,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:29:48" (3/3) ... [2024-11-23 11:29:48,133 INFO L128 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_write_nvram.i [2024-11-23 11:29:48,151 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 11:29:48,154 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG char_generic_nvram_read_nvram_write_nvram.i that has 3 procedures, 35 locations, 1 initial locations, 2 loop locations, and 0 error locations. [2024-11-23 11:29:48,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd81110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:29:48, skipping insertion in model container [2024-11-23 11:29:48,156 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 11:29:48,157 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 11:29:48,157 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 11:29:48,158 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 11:29:48,159 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:29:48" (3/3) ... [2024-11-23 11:29:48,162 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 11:29:48,167 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2024-11-23 11:29:48,167 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_write_nvram [2024-11-23 11:29:48,178 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 165 nodes and edges [2024-11-23 11:29:48,179 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-11-23 11:29:48,179 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-11-23 11:29:48,179 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-23 11:29:48,180 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 11:29:48,180 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 11:29:48,304 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb1deb2-da1b-4af0-b282-adfc07a08498/bin/ugemcutter-verify-Z6otQMs9Ca/witness.graphml [2024-11-23 11:29:48,304 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb1deb2-da1b-4af0-b282-adfc07a08498/bin/ugemcutter-verify-Z6otQMs9Ca/witness.yml [2024-11-23 11:29:48,304 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 11:29:48,306 INFO L158 Benchmark]: Toolchain (without parser) took 10375.24ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 82.2MB in the beginning and 118.8MB in the end (delta: -36.7MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2024-11-23 11:29:48,306 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:29:48,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7563.53ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 82.0MB in the beginning and 129.5MB in the end (delta: -47.5MB). Peak memory consumption was 129.3MB. Max. memory is 16.1GB. [2024-11-23 11:29:48,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 166.88ms. Allocated memory is still 209.7MB. Free memory was 129.5MB in the beginning and 121.1MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 11:29:48,308 INFO L158 Benchmark]: Boogie Preprocessor took 62.96ms. Allocated memory is still 209.7MB. Free memory was 121.1MB in the beginning and 116.3MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 11:29:48,309 INFO L158 Benchmark]: RCFGBuilder took 2391.01ms. Allocated memory is still 209.7MB. Free memory was 116.3MB in the beginning and 127.2MB in the end (delta: -10.9MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. [2024-11-23 11:29:48,309 INFO L158 Benchmark]: TraceAbstraction took 33.59ms. Allocated memory is still 209.7MB. Free memory was 127.2MB in the beginning and 124.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:29:48,310 INFO L158 Benchmark]: Witness Printer took 147.08ms. Allocated memory is still 209.7MB. Free memory was 124.9MB in the beginning and 118.8MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 11:29:48,312 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7563.53ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 82.0MB in the beginning and 129.5MB in the end (delta: -47.5MB). Peak memory consumption was 129.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 166.88ms. Allocated memory is still 209.7MB. Free memory was 129.5MB in the beginning and 121.1MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.96ms. Allocated memory is still 209.7MB. Free memory was 121.1MB in the beginning and 116.3MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2391.01ms. Allocated memory is still 209.7MB. Free memory was 116.3MB in the beginning and 127.2MB in the end (delta: -10.9MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. * TraceAbstraction took 33.59ms. Allocated memory is still 209.7MB. Free memory was 127.2MB in the beginning and 124.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 147.08ms. Allocated memory is still 209.7MB. Free memory was 124.9MB in the beginning and 118.8MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. 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: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2024-11-23 11:29:48,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb1deb2-da1b-4af0-b282-adfc07a08498/bin/ugemcutter-verify-Z6otQMs9Ca/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 Result: TRUE