./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-27 23:48:33,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-27 23:48:33,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-27 23:48:33,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-27 23:48:33,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-27 23:48:33,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-27 23:48:33,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-27 23:48:33,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-27 23:48:33,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-27 23:48:33,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-27 23:48:33,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-27 23:48:33,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-27 23:48:33,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-27 23:48:33,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-27 23:48:33,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-27 23:48:33,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-27 23:48:33,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-27 23:48:33,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-27 23:48:33,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-27 23:48:33,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-27 23:48:33,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-27 23:48:33,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-27 23:48:33,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-27 23:48:33,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-27 23:48:33,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-27 23:48:33,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-27 23:48:33,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-27 23:48:33,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-27 23:48:33,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-27 23:48:33,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-27 23:48:33,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-27 23:48:33,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-27 23:48:33,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-27 23:48:33,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-27 23:48:33,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-27 23:48:33,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-27 23:48:33,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-27 23:48:33,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-27 23:48:33,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-27 23:48:33,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-27 23:48:33,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-27 23:48:33,364 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-27 23:48:33,378 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-27 23:48:33,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-27 23:48:33,379 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-27 23:48:33,379 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-27 23:48:33,379 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-27 23:48:33,379 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-27 23:48:33,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-27 23:48:33,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-27 23:48:33,380 INFO L138 SettingsManager]: * Use SBE=true [2021-12-27 23:48:33,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-27 23:48:33,380 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-27 23:48:33,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-27 23:48:33,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-27 23:48:33,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-27 23:48:33,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-27 23:48:33,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-27 23:48:33,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-27 23:48:33,381 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-27 23:48:33,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-27 23:48:33,382 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-27 23:48:33,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-27 23:48:33,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-27 23:48:33,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-27 23:48:33,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-27 23:48:33,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-27 23:48:33,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-27 23:48:33,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-27 23:48:33,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-27 23:48:33,389 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-27 23:48:33,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-27 23:48:33,389 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-27 23:48:33,390 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-27 23:48:33,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-27 23:48:33,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 [2021-12-27 23:48:33,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-27 23:48:33,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-27 23:48:33,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-27 23:48:33,650 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-27 23:48:33,651 INFO L275 PluginConnector]: CDTParser initialized [2021-12-27 23:48:33,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2021-12-27 23:48:33,739 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c678e80e0/ac5c675eaa34467cbba5200302c29064/FLAGb380bf707 [2021-12-27 23:48:34,264 INFO L306 CDTParser]: Found 1 translation units. [2021-12-27 23:48:34,264 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2021-12-27 23:48:34,286 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c678e80e0/ac5c675eaa34467cbba5200302c29064/FLAGb380bf707 [2021-12-27 23:48:34,753 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c678e80e0/ac5c675eaa34467cbba5200302c29064 [2021-12-27 23:48:34,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-27 23:48:34,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-27 23:48:34,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-27 23:48:34,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-27 23:48:34,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-27 23:48:34,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:48:34" (1/1) ... [2021-12-27 23:48:34,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611fea9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:34, skipping insertion in model container [2021-12-27 23:48:34,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:48:34" (1/1) ... [2021-12-27 23:48:34,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-27 23:48:34,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-27 23:48:34,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i[472,485] [2021-12-27 23:48:35,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-27 23:48:35,888 INFO L203 MainTranslator]: Completed pre-run [2021-12-27 23:48:35,897 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i[472,485] [2021-12-27 23:48:36,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-27 23:48:36,135 INFO L208 MainTranslator]: Completed translation [2021-12-27 23:48:36,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:36 WrapperNode [2021-12-27 23:48:36,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-27 23:48:36,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-27 23:48:36,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-27 23:48:36,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-27 23:48:36,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:36" (1/1) ... [2021-12-27 23:48:36,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:36" (1/1) ... [2021-12-27 23:48:36,262 INFO L137 Inliner]: procedures = 474, calls = 840, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1013 [2021-12-27 23:48:36,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-27 23:48:36,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-27 23:48:36,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-27 23:48:36,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-27 23:48:36,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:36" (1/1) ... [2021-12-27 23:48:36,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:36" (1/1) ... [2021-12-27 23:48:36,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:36" (1/1) ... [2021-12-27 23:48:36,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:36" (1/1) ... [2021-12-27 23:48:36,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:36" (1/1) ... [2021-12-27 23:48:36,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:36" (1/1) ... [2021-12-27 23:48:36,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:36" (1/1) ... [2021-12-27 23:48:36,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-27 23:48:36,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-27 23:48:36,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-27 23:48:36,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-27 23:48:36,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:36" (1/1) ... [2021-12-27 23:48:36,349 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-27 23:48:36,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-27 23:48:36,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-27 23:48:36,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-27 23:48:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2021-12-27 23:48:36,408 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2021-12-27 23:48:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-27 23:48:36,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2021-12-27 23:48:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-27 23:48:36,409 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-27 23:48:36,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-27 23:48:36,409 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-27 23:48:36,409 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-27 23:48:36,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-27 23:48:36,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2021-12-27 23:48:36,409 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2021-12-27 23:48:36,409 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2021-12-27 23:48:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-27 23:48:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-27 23:48:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-27 23:48:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2021-12-27 23:48:36,410 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2021-12-27 23:48:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-27 23:48:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-27 23:48:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-27 23:48:36,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-27 23:48:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2021-12-27 23:48:36,411 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2021-12-27 23:48:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-27 23:48:36,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-27 23:48:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2021-12-27 23:48:36,411 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2021-12-27 23:48:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-27 23:48:36,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-27 23:48:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2021-12-27 23:48:36,412 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2021-12-27 23:48:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-27 23:48:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-27 23:48:36,412 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-27 23:48:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-27 23:48:36,413 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-27 23:48:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-27 23:48:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-27 23:48:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-27 23:48:36,413 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-27 23:48:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2021-12-27 23:48:36,414 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2021-12-27 23:48:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-27 23:48:36,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-27 23:48:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-27 23:48:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-12-27 23:48:36,414 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-12-27 23:48:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-27 23:48:36,414 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-27 23:48:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-27 23:48:36,415 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-27 23:48:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-12-27 23:48:36,415 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-12-27 23:48:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2021-12-27 23:48:36,415 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2021-12-27 23:48:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2021-12-27 23:48:36,415 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2021-12-27 23:48:36,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-27 23:48:36,416 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2021-12-27 23:48:36,416 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2021-12-27 23:48:36,416 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2021-12-27 23:48:36,416 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2021-12-27 23:48:36,416 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-12-27 23:48:36,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-12-27 23:48:36,417 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-27 23:48:36,417 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-27 23:48:36,417 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-27 23:48:36,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-27 23:48:36,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-27 23:48:36,661 INFO L234 CfgBuilder]: Building ICFG [2021-12-27 23:48:36,665 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-27 23:48:38,017 INFO L275 CfgBuilder]: Performing block encoding [2021-12-27 23:48:38,023 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-27 23:48:38,023 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-27 23:48:38,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:48:38 BoogieIcfgContainer [2021-12-27 23:48:38,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-27 23:48:38,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-27 23:48:38,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-27 23:48:38,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-27 23:48:38,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 11:48:34" (1/3) ... [2021-12-27 23:48:38,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd1039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:48:38, skipping insertion in model container [2021-12-27 23:48:38,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:48:36" (2/3) ... [2021-12-27 23:48:38,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd1039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:48:38, skipping insertion in model container [2021-12-27 23:48:38,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:48:38" (3/3) ... [2021-12-27 23:48:38,030 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_pthread_mutex_unlock.i [2021-12-27 23:48:38,033 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-27 23:48:38,034 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-12-27 23:48:38,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd1039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 11:48:38, skipping insertion in model container [2021-12-27 23:48:38,035 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-27 23:48:38,035 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-27 23:48:38,035 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-27 23:48:38,036 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-27 23:48:38,036 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:48:38" (3/3) ... [2021-12-27 23:48:38,038 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-27 23:48:38,043 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2021-12-27 23:48:38,043 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2021-12-27 23:48:38,043 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2021-12-27 23:48:38,043 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2021-12-27 23:48:38,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2021-12-27 23:48:38,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2021-12-27 23:48:38,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2021-12-27 23:48:38,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2021-12-27 23:48:38,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2021-12-27 23:48:38,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-27 23:48:38,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2021-12-27 23:48:38,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2021-12-27 23:48:38,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2021-12-27 23:48:38,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2021-12-27 23:48:38,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2021-12-27 23:48:38,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-12-27 23:48:38,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2021-12-27 23:48:38,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2021-12-27 23:48:38,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2021-12-27 23:48:38,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2021-12-27 23:48:38,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2021-12-27 23:48:38,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2021-12-27 23:48:38,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2021-12-27 23:48:38,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2021-12-27 23:48:38,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-12-27 23:48:38,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2021-12-27 23:48:38,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-27 23:48:38,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2021-12-27 23:48:38,057 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 146 nodes and edges [2021-12-27 23:48:38,058 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2021-12-27 23:48:38,059 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-12-27 23:48:38,060 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-12-27 23:48:38,061 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-27 23:48:38,062 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-27 23:48:38,149 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-27 23:48:38,150 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-27 23:48:38,151 INFO L158 Benchmark]: Toolchain (without parser) took 3392.88ms. Allocated memory was 60.8MB in the beginning and 123.7MB in the end (delta: 62.9MB). Free memory was 35.3MB in the beginning and 36.0MB in the end (delta: -712.4kB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2021-12-27 23:48:38,151 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 52.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-27 23:48:38,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1374.92ms. Allocated memory was 60.8MB in the beginning and 88.1MB in the end (delta: 27.3MB). Free memory was 35.2MB in the beginning and 50.6MB in the end (delta: -15.5MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2021-12-27 23:48:38,152 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.74ms. Allocated memory is still 88.1MB. Free memory was 50.6MB in the beginning and 41.9MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-27 23:48:38,152 INFO L158 Benchmark]: Boogie Preprocessor took 80.60ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 41.9MB in the beginning and 88.0MB in the end (delta: -46.1MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2021-12-27 23:48:38,152 INFO L158 Benchmark]: RCFGBuilder took 1680.95ms. Allocated memory is still 123.7MB. Free memory was 88.0MB in the beginning and 62.5MB in the end (delta: 25.5MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2021-12-27 23:48:38,152 INFO L158 Benchmark]: TraceAbstraction took 9.03ms. Allocated memory is still 123.7MB. Free memory was 62.5MB in the beginning and 61.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-27 23:48:38,153 INFO L158 Benchmark]: Witness Printer took 114.31ms. Allocated memory is still 123.7MB. Free memory was 61.4MB in the beginning and 36.0MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-27 23:48:38,154 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 52.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1374.92ms. Allocated memory was 60.8MB in the beginning and 88.1MB in the end (delta: 27.3MB). Free memory was 35.2MB in the beginning and 50.6MB in the end (delta: -15.5MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.74ms. Allocated memory is still 88.1MB. Free memory was 50.6MB in the beginning and 41.9MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.60ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 41.9MB in the beginning and 88.0MB in the end (delta: -46.1MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1680.95ms. Allocated memory is still 123.7MB. Free memory was 88.0MB in the beginning and 62.5MB in the end (delta: 25.5MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9.03ms. Allocated memory is still 123.7MB. Free memory was 62.5MB in the beginning and 61.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 114.31ms. Allocated memory is still 123.7MB. Free memory was 61.4MB in the beginning and 36.0MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-12-27 23:48:38,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE