./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --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--usb--misc--adutux.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 d21289ad0260bc29d79b2bd61c2535ad4b8522ed30b4caa2844d314826a0bd1c --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 23:23:47,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 23:23:47,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 23:23:47,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 23:23:47,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 23:23:47,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 23:23:47,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 23:23:47,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 23:23:47,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 23:23:47,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 23:23:47,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 23:23:47,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 23:23:47,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 23:23:47,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 23:23:47,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 23:23:47,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 23:23:47,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 23:23:47,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 23:23:47,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 23:23:47,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 23:23:47,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 23:23:47,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 23:23:47,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 23:23:47,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 23:23:47,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 23:23:47,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 23:23:47,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 23:23:47,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 23:23:47,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 23:23:47,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 23:23:47,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 23:23:47,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 23:23:47,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 23:23:47,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 23:23:47,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 23:23:47,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 23:23:47,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 23:23:47,947 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 23:23:47,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 23:23:47,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 23:23:47,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 23:23:47,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 23:23:47,987 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 23:23:47,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 23:23:47,989 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 23:23:47,989 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 23:23:47,990 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 23:23:47,990 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 23:23:47,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 23:23:47,991 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 23:23:47,992 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 23:23:47,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 23:23:47,993 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 23:23:47,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 23:23:47,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 23:23:47,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 23:23:47,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 23:23:47,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 23:23:47,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 23:23:47,994 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 23:23:47,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 23:23:47,994 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 23:23:47,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 23:23:47,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 23:23:47,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 23:23:47,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 23:23:47,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 23:23:47,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 23:23:47,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 23:23:47,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 23:23:47,996 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 23:23:47,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 23:23:47,997 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 23:23:47,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 23:23:47,997 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 23:23:47,997 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 23:23:47,997 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 23:23:47,998 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d21289ad0260bc29d79b2bd61c2535ad4b8522ed30b4caa2844d314826a0bd1c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 23:23:48,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 23:23:48,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 23:23:48,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 23:23:48,315 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 23:23:48,316 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 23:23:48,317 INFO L432 ainManager$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--usb--misc--adutux.ko.cil.i [2023-08-30 23:23:49,549 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 23:23:50,078 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 23:23:50,078 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2023-08-30 23:23:50,115 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/181bdc852/ea7ffb8f0b9c4b7aa3cb61aeb66a9ff0/FLAGa429dab06 [2023-08-30 23:23:50,136 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/181bdc852/ea7ffb8f0b9c4b7aa3cb61aeb66a9ff0 [2023-08-30 23:23:50,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 23:23:50,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 23:23:50,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 23:23:50,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 23:23:50,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 23:23:50,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 11:23:50" (1/1) ... [2023-08-30 23:23:50,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75da2aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:23:50, skipping insertion in model container [2023-08-30 23:23:50,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 11:23:50" (1/1) ... [2023-08-30 23:23:50,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 23:23:50,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 23:23:51,446 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--usb--misc--adutux.ko.cil.i[196530,196543] [2023-08-30 23:23:51,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 23:23:51,584 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 23:23:51,856 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--usb--misc--adutux.ko.cil.i[196530,196543] [2023-08-30 23:23:51,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 23:23:51,962 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 23:23:51,962 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 23:23:51,968 INFO L208 MainTranslator]: Completed translation [2023-08-30 23:23:51,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:23:51 WrapperNode [2023-08-30 23:23:51,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 23:23:51,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 23:23:51,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 23:23:51,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 23:23:51,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:23:51" (1/1) ... [2023-08-30 23:23:52,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:23:51" (1/1) ... [2023-08-30 23:23:52,252 INFO L138 Inliner]: procedures = 286, calls = 1747, calls flagged for inlining = 461, calls inlined = 521, statements flattened = 6251 [2023-08-30 23:23:52,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 23:23:52,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 23:23:52,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 23:23:52,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 23:23:52,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:23:51" (1/1) ... [2023-08-30 23:23:52,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:23:51" (1/1) ... [2023-08-30 23:23:52,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:23:51" (1/1) ... [2023-08-30 23:23:52,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:23:51" (1/1) ... [2023-08-30 23:23:52,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:23:51" (1/1) ... [2023-08-30 23:23:52,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:23:51" (1/1) ... [2023-08-30 23:23:52,508 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:23:51" (1/1) ... [2023-08-30 23:23:52,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:23:51" (1/1) ... [2023-08-30 23:23:52,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 23:23:52,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 23:23:52,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 23:23:52,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 23:23:52,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:23:51" (1/1) ... [2023-08-30 23:23:52,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 23:23:52,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 23:23:52,654 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 23:23:52,682 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 23:23:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-08-30 23:23:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2023-08-30 23:23:52,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2023-08-30 23:23:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 23:23:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2023-08-30 23:23:52,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2023-08-30 23:23:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 23:23:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 23:23:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 23:23:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 23:23:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 23:23:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 23:23:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 23:23:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 23:23:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 23:23:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-08-30 23:23:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2023-08-30 23:23:52,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2023-08-30 23:23:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 23:23:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 23:23:52,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 23:23:52,704 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 23:23:53,265 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 23:23:53,267 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 23:23:57,083 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 23:23:57,106 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 23:23:57,106 INFO L302 CfgBuilder]: Removed 29 assume(true) statements. [2023-08-30 23:23:57,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 11:23:57 BoogieIcfgContainer [2023-08-30 23:23:57,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 23:23:57,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 23:23:57,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 23:23:57,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 23:23:57,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 11:23:50" (1/3) ... [2023-08-30 23:23:57,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556e6dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 11:23:57, skipping insertion in model container [2023-08-30 23:23:57,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:23:51" (2/3) ... [2023-08-30 23:23:57,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556e6dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 11:23:57, skipping insertion in model container [2023-08-30 23:23:57,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 11:23:57" (3/3) ... [2023-08-30 23:23:57,120 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2023-08-30 23:23:57,127 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 23:23:57,164 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 23:23:57,164 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 23:23:57,164 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 23:23:58,331 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2023-08-30 23:23:58,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 6288 places, 6624 transitions, 13284 flow [2023-08-30 23:24:13,150 INFO L130 PetriNetUnfolder]: 600/10428 cut-off events. [2023-08-30 23:24:13,151 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-30 23:24:13,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10451 conditions, 10428 events. 600/10428 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 57265 event pairs, 0 based on Foata normal form. 0/9820 useless extension candidates. Maximal degree in co-relation 9609. Up to 24 conditions per place. [2023-08-30 23:24:13,656 INFO L82 GeneralOperation]: Start removeDead. Operand has 6288 places, 6624 transitions, 13284 flow [2023-08-30 23:24:13,831 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 6244 places, 6578 transitions, 13180 flow [2023-08-30 23:24:13,837 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 23:24:13,844 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 6244 places, 6578 transitions, 13180 flow [2023-08-30 23:24:13,846 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 6244 places, 6578 transitions, 13180 flow [2023-08-30 23:24:13,847 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 6244 places, 6578 transitions, 13180 flow [2023-08-30 23:24:26,736 INFO L130 PetriNetUnfolder]: 600/10428 cut-off events. [2023-08-30 23:24:26,737 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-30 23:24:27,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10451 conditions, 10428 events. 600/10428 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 57272 event pairs, 0 based on Foata normal form. 0/9820 useless extension candidates. Maximal degree in co-relation 9609. Up to 24 conditions per place. [2023-08-30 23:24:30,124 INFO L119 LiptonReduction]: Number of co-enabled transitions 14691956 [2023-08-30 23:29:44,388 WARN L222 SmtUtils]: Spent 7.56s on a formula simplification that was a NOOP. DAG size: 780 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:29:51,919 WARN L222 SmtUtils]: Spent 7.53s on a formula simplification that was a NOOP. DAG size: 780 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:30:00,758 WARN L222 SmtUtils]: Spent 8.83s on a formula simplification. DAG size of input: 789 DAG size of output: 787 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:30:06,614 WARN L222 SmtUtils]: Spent 5.85s on a formula simplification that was a NOOP. DAG size: 786 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:30:15,329 WARN L222 SmtUtils]: Spent 5.88s on a formula simplification that was a NOOP. DAG size: 1063 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:30:21,252 WARN L222 SmtUtils]: Spent 5.92s on a formula simplification that was a NOOP. DAG size: 1063 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:30:27,300 WARN L222 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 1063 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:30:33,244 WARN L222 SmtUtils]: Spent 5.94s on a formula simplification that was a NOOP. DAG size: 1063 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:30:41,763 WARN L222 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 1295 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:30:50,190 WARN L222 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 1295 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:31:00,366 WARN L222 SmtUtils]: Spent 10.17s on a formula simplification that was a NOOP. DAG size: 1301 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:31:10,649 WARN L222 SmtUtils]: Spent 10.28s on a formula simplification that was a NOOP. DAG size: 1301 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:31:23,839 WARN L222 SmtUtils]: Spent 13.16s on a formula simplification that was a NOOP. DAG size: 1512 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:31:36,973 WARN L222 SmtUtils]: Spent 13.13s on a formula simplification that was a NOOP. DAG size: 1512 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:31:50,076 WARN L222 SmtUtils]: Spent 13.10s on a formula simplification that was a NOOP. DAG size: 1512 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:32:03,367 WARN L222 SmtUtils]: Spent 13.29s on a formula simplification that was a NOOP. DAG size: 1512 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Killed by 15