./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b8dbc81d 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 ../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.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 dcbacb5c6320cc7d732f3f08957667bdf1dc73f77660278f36230fbc0ccef69c --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 17:00:21,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 17:00:21,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 17:00:21,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 17:00:21,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 17:00:21,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 17:00:21,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 17:00:21,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 17:00:21,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 17:00:21,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 17:00:21,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 17:00:21,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 17:00:21,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 17:00:21,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 17:00:21,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 17:00:21,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 17:00:21,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 17:00:21,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 17:00:21,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 17:00:21,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 17:00:21,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 17:00:21,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 17:00:21,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 17:00:21,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 17:00:21,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 17:00:21,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 17:00:21,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 17:00:21,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 17:00:21,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 17:00:21,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 17:00:21,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 17:00:21,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 17:00:21,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 17:00:21,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 17:00:21,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 17:00:21,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 17:00:21,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 17:00:21,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 17:00:21,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 17:00:21,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 17:00:21,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 17:00:21,417 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 17:00:21,443 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 17:00:21,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 17:00:21,444 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 17:00:21,444 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 17:00:21,445 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 17:00:21,445 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 17:00:21,445 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 17:00:21,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 17:00:21,446 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 17:00:21,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 17:00:21,446 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 17:00:21,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 17:00:21,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 17:00:21,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 17:00:21,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 17:00:21,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 17:00:21,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 17:00:21,447 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 17:00:21,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 17:00:21,448 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 17:00:21,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 17:00:21,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 17:00:21,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 17:00:21,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 17:00:21,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 17:00:21,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 17:00:21,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 17:00:21,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 17:00:21,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 17:00:21,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 17:00:21,449 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 17:00:21,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 17:00:21,450 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 17:00:21,450 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 17:00:21,450 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 17:00:21,450 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcbacb5c6320cc7d732f3f08957667bdf1dc73f77660278f36230fbc0ccef69c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 17:00:21,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 17:00:21,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 17:00:21,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 17:00:21,732 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 17:00:21,732 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 17:00:21,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2023-08-30 17:00:22,705 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 17:00:23,115 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 17:00:23,115 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2023-08-30 17:00:23,148 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a410bb6a/c2e4debb8bfe408e802c9187e7f672dd/FLAG637d6e0ff [2023-08-30 17:00:23,167 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a410bb6a/c2e4debb8bfe408e802c9187e7f672dd [2023-08-30 17:00:23,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 17:00:23,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 17:00:23,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 17:00:23,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 17:00:23,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 17:00:23,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:00:23" (1/1) ... [2023-08-30 17:00:23,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73464353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:00:23, skipping insertion in model container [2023-08-30 17:00:23,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:00:23" (1/1) ... [2023-08-30 17:00:23,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 17:00:23,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 17:00:24,377 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2023-08-30 17:00:24,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 17:00:24,597 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 17:00:24,803 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2023-08-30 17:00:24,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 17:00:24,895 INFO L208 MainTranslator]: Completed translation [2023-08-30 17:00:24,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:00:24 WrapperNode [2023-08-30 17:00:24,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 17:00:24,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 17:00:24,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 17:00:24,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 17:00:24,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:00:24" (1/1) ... [2023-08-30 17:00:24,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:00:24" (1/1) ... [2023-08-30 17:00:25,127 INFO L138 Inliner]: procedures = 326, calls = 1286, calls flagged for inlining = 514, calls inlined = 855, statements flattened = 7807 [2023-08-30 17:00:25,128 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 17:00:25,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 17:00:25,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 17:00:25,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 17:00:25,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:00:24" (1/1) ... [2023-08-30 17:00:25,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:00:24" (1/1) ... [2023-08-30 17:00:25,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:00:24" (1/1) ... [2023-08-30 17:00:25,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:00:24" (1/1) ... [2023-08-30 17:00:25,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:00:24" (1/1) ... [2023-08-30 17:00:25,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:00:24" (1/1) ... [2023-08-30 17:00:25,318 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:00:24" (1/1) ... [2023-08-30 17:00:25,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:00:24" (1/1) ... [2023-08-30 17:00:25,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 17:00:25,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 17:00:25,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 17:00:25,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 17:00:25,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:00:24" (1/1) ... [2023-08-30 17:00:25,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 17:00:25,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 17:00:25,458 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 17:00:25,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 17:00:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_random_allocationless_scenario_3 [2023-08-30 17:00:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_random_allocationless_scenario_3 [2023-08-30 17:00:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2023-08-30 17:00:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2023-08-30 17:00:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2023-08-30 17:00:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2023-08-30 17:00:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 17:00:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 17:00:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 17:00:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 17:00:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 17:00:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 17:00:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 17:00:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 17:00:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 17:00:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 17:00:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 17:00:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 17:00:25,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 17:00:25,537 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 17:00:26,027 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 17:00:26,029 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 17:00:29,848 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 17:00:29,869 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 17:00:29,869 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 17:00:29,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 05:00:29 BoogieIcfgContainer [2023-08-30 17:00:29,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 17:00:29,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 17:00:29,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 17:00:29,878 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 17:00:29,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 05:00:23" (1/3) ... [2023-08-30 17:00:29,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7477a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 05:00:29, skipping insertion in model container [2023-08-30 17:00:29,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:00:24" (2/3) ... [2023-08-30 17:00:29,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7477a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 05:00:29, skipping insertion in model container [2023-08-30 17:00:29,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 05:00:29" (3/3) ... [2023-08-30 17:00:29,880 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2023-08-30 17:00:29,885 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 17:00:29,891 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 17:00:29,891 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 17:00:29,891 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 17:00:30,860 INFO L144 ThreadInstanceAdder]: Constructed 13 joinOtherThreadTransitions. [2023-08-30 17:00:30,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 11297 places, 11818 transitions, 23700 flow [2023-08-30 17:01:26,845 INFO L130 PetriNetUnfolder]: 1004/22278 cut-off events. [2023-08-30 17:01:26,845 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2023-08-30 17:01:29,597 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22312 conditions, 22278 events. 1004/22278 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 159659 event pairs, 1 based on Foata normal form. 0/21259 useless extension candidates. Maximal degree in co-relation 21713. Up to 18 conditions per place. [2023-08-30 17:01:29,597 INFO L82 GeneralOperation]: Start removeDead. Operand has 11297 places, 11818 transitions, 23700 flow [2023-08-30 17:01:30,017 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 8443 places, 8834 transitions, 17702 flow [2023-08-30 17:01:30,020 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 17:01:30,036 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 8443 places, 8834 transitions, 17702 flow [2023-08-30 17:01:30,045 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 8443 places, 8834 transitions, 17702 flow [2023-08-30 17:01:30,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 8443 places, 8834 transitions, 17702 flow [2023-08-30 17:02:24,762 INFO L130 PetriNetUnfolder]: 1004/22278 cut-off events. [2023-08-30 17:02:24,762 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2023-08-30 17:02:27,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22312 conditions, 22278 events. 1004/22278 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 159455 event pairs, 1 based on Foata normal form. 0/21259 useless extension candidates. Maximal degree in co-relation 21713. Up to 18 conditions per place. [2023-08-30 17:02:41,847 INFO L119 LiptonReduction]: Number of co-enabled transitions 42905832 [2023-08-30 17:10:49,657 WARN L222 SmtUtils]: Spent 5.88s on a formula simplification that was a NOOP. DAG size: 750 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 17:10:55,442 WARN L222 SmtUtils]: Spent 5.78s on a formula simplification that was a NOOP. DAG size: 750 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 17:11:10,417 WARN L222 SmtUtils]: Spent 6.70s on a formula simplification that was a NOOP. DAG size: 1184 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 17:11:17,124 WARN L222 SmtUtils]: Spent 6.71s on a formula simplification that was a NOOP. DAG size: 1184 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 17:11:23,862 WARN L222 SmtUtils]: Spent 6.73s on a formula simplification that was a NOOP. DAG size: 1184 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 17:11:30,610 WARN L222 SmtUtils]: Spent 6.75s on a formula simplification that was a NOOP. DAG size: 1184 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Killed by 15