./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.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 BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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-Overflow-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 ! overflow) ) --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 BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-09-01 05:28:37,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-09-01 05:28:37,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-09-01 05:28:37,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-09-01 05:28:37,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-09-01 05:28:37,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-09-01 05:28:37,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-09-01 05:28:37,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-09-01 05:28:37,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-09-01 05:28:37,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-09-01 05:28:37,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-09-01 05:28:37,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-09-01 05:28:37,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-09-01 05:28:37,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-09-01 05:28:37,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-09-01 05:28:37,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-09-01 05:28:37,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-09-01 05:28:37,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-09-01 05:28:37,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-09-01 05:28:37,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-09-01 05:28:37,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-09-01 05:28:37,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-09-01 05:28:37,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-09-01 05:28:37,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-09-01 05:28:37,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-09-01 05:28:37,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-09-01 05:28:37,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-09-01 05:28:37,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-09-01 05:28:37,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-09-01 05:28:37,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-09-01 05:28:37,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-09-01 05:28:37,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-09-01 05:28:37,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-09-01 05:28:37,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-09-01 05:28:37,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-09-01 05:28:37,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-09-01 05:28:37,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-09-01 05:28:37,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-09-01 05:28:37,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-09-01 05:28:37,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-09-01 05:28:37,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-09-01 05:28:37,346 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-09-01 05:28:37,366 INFO L113 SettingsManager]: Loading preferences was successful [2023-09-01 05:28:37,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-01 05:28:37,367 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-01 05:28:37,367 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-01 05:28:37,368 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-01 05:28:37,369 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-01 05:28:37,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-01 05:28:37,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-09-01 05:28:37,370 INFO L138 SettingsManager]: * Use SBE=true [2023-09-01 05:28:37,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-01 05:28:37,370 INFO L138 SettingsManager]: * sizeof long=4 [2023-09-01 05:28:37,371 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-09-01 05:28:37,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-01 05:28:37,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-09-01 05:28:37,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-09-01 05:28:37,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-01 05:28:37,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-01 05:28:37,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-01 05:28:37,372 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-09-01 05:28:37,373 INFO L138 SettingsManager]: * sizeof long double=12 [2023-09-01 05:28:37,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-09-01 05:28:37,373 INFO L138 SettingsManager]: * Use constant arrays=true [2023-09-01 05:28:37,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-01 05:28:37,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-01 05:28:37,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-01 05:28:37,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-01 05:28:37,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 05:28:37,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-01 05:28:37,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-01 05:28:37,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-01 05:28:37,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-01 05:28:37,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-01 05:28:37,376 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-09-01 05:28:37,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-01 05:28:37,377 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-09-01 05:28:37,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-09-01 05:28:37,377 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-09-01 05:28:37,377 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d21289ad0260bc29d79b2bd61c2535ad4b8522ed30b4caa2844d314826a0bd1c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-09-01 05:28:37,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-01 05:28:37,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-01 05:28:37,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-01 05:28:37,734 INFO L271 PluginConnector]: Initializing CDTParser... [2023-09-01 05:28:37,735 INFO L275 PluginConnector]: CDTParser initialized [2023-09-01 05:28:37,736 INFO L432 ainManager$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 [2023-09-01 05:28:38,932 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-09-01 05:28:39,429 INFO L351 CDTParser]: Found 1 translation units. [2023-09-01 05:28:39,430 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 [2023-09-01 05:28:39,469 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c41df6f6/d0d0d5fafe8e4fdc9b5637018102529b/FLAG7e6e736ee [2023-09-01 05:28:39,490 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c41df6f6/d0d0d5fafe8e4fdc9b5637018102529b [2023-09-01 05:28:39,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-01 05:28:39,494 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-09-01 05:28:39,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-01 05:28:39,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-01 05:28:39,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-01 05:28:39,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 05:28:39" (1/1) ... [2023-09-01 05:28:39,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf96623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:28:39, skipping insertion in model container [2023-09-01 05:28:39,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 05:28:39" (1/1) ... [2023-09-01 05:28:39,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-01 05:28:39,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-01 05:28:41,251 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] [2023-09-01 05:28:41,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 05:28:41,453 INFO L203 MainTranslator]: Completed pre-run [2023-09-01 05:28:41,715 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] [2023-09-01 05:28:41,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 05:28:41,813 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:28:41,814 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:28:41,820 INFO L208 MainTranslator]: Completed translation [2023-09-01 05:28:41,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:28:41 WrapperNode [2023-09-01 05:28:41,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-01 05:28:41,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-01 05:28:41,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-01 05:28:41,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-01 05:28:41,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:28:41" (1/1) ... [2023-09-01 05:28:41,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:28:41" (1/1) ... [2023-09-01 05:28:42,236 INFO L138 Inliner]: procedures = 286, calls = 1747, calls flagged for inlining = 461, calls inlined = 521, statements flattened = 6311 [2023-09-01 05:28:42,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-01 05:28:42,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-01 05:28:42,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-01 05:28:42,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-09-01 05:28:42,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:28:41" (1/1) ... [2023-09-01 05:28:42,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:28:41" (1/1) ... [2023-09-01 05:28:42,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:28:41" (1/1) ... [2023-09-01 05:28:42,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:28:41" (1/1) ... [2023-09-01 05:28:42,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:28:41" (1/1) ... [2023-09-01 05:28:42,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:28:41" (1/1) ... [2023-09-01 05:28:42,542 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:28:41" (1/1) ... [2023-09-01 05:28:42,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:28:41" (1/1) ... [2023-09-01 05:28:42,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-01 05:28:42,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-01 05:28:42,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-09-01 05:28:42,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-09-01 05:28:42,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:28:41" (1/1) ... [2023-09-01 05:28:42,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 05:28:42,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 05:28:42,611 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) [2023-09-01 05:28:42,613 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 [2023-09-01 05:28:42,637 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-09-01 05:28:42,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2023-09-01 05:28:42,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2023-09-01 05:28:42,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-01 05:28:42,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2023-09-01 05:28:42,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2023-09-01 05:28:42,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-09-01 05:28:42,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-01 05:28:42,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-09-01 05:28:42,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-01 05:28:42,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-01 05:28:42,638 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-09-01 05:28:42,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-01 05:28:42,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-01 05:28:42,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-09-01 05:28:42,639 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-09-01 05:28:42,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2023-09-01 05:28:42,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2023-09-01 05:28:42,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-01 05:28:42,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-01 05:28:42,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-01 05:28:42,644 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-01 05:28:43,242 INFO L236 CfgBuilder]: Building ICFG [2023-09-01 05:28:43,244 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-01 05:28:47,224 INFO L277 CfgBuilder]: Performing block encoding [2023-09-01 05:28:47,259 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-01 05:28:47,260 INFO L302 CfgBuilder]: Removed 29 assume(true) statements. [2023-09-01 05:28:47,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:28:47 BoogieIcfgContainer [2023-09-01 05:28:47,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-01 05:28:47,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-01 05:28:47,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-09-01 05:28:47,273 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-09-01 05:28:47,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.09 05:28:39" (1/3) ... [2023-09-01 05:28:47,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d2b018b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 05:28:47, skipping insertion in model container [2023-09-01 05:28:47,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:28:41" (2/3) ... [2023-09-01 05:28:47,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d2b018b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 05:28:47, skipping insertion in model container [2023-09-01 05:28:47,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:28:47" (3/3) ... [2023-09-01 05:28:47,276 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2023-09-01 05:28:47,284 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-01 05:28:47,292 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-01 05:28:47,293 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 60 error locations. [2023-09-01 05:28:47,293 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-01 05:28:48,572 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2023-09-01 05:28:48,728 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 6407 places, 6743 transitions, 13522 flow [2023-09-01 05:29:05,761 INFO L130 PetriNetUnfolder]: 600/10638 cut-off events. [2023-09-01 05:29:05,762 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-09-01 05:29:06,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10661 conditions, 10638 events. 600/10638 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 59085 event pairs, 0 based on Foata normal form. 0/9926 useless extension candidates. Maximal degree in co-relation 9819. Up to 24 conditions per place. [2023-09-01 05:29:06,333 INFO L82 GeneralOperation]: Start removeDead. Operand has 6407 places, 6743 transitions, 13522 flow [2023-09-01 05:29:06,763 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 6363 places, 6697 transitions, 13418 flow [2023-09-01 05:29:06,765 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-09-01 05:29:06,774 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 6363 places, 6697 transitions, 13418 flow [2023-09-01 05:29:06,777 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 6363 places, 6697 transitions, 13418 flow [2023-09-01 05:29:06,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 6363 places, 6697 transitions, 13418 flow [2023-09-01 05:29:21,076 INFO L130 PetriNetUnfolder]: 600/10638 cut-off events. [2023-09-01 05:29:21,077 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-09-01 05:29:21,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10661 conditions, 10638 events. 600/10638 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 59059 event pairs, 0 based on Foata normal form. 0/9926 useless extension candidates. Maximal degree in co-relation 9819. Up to 24 conditions per place. [2023-09-01 05:29:25,331 INFO L119 LiptonReduction]: Number of co-enabled transitions 15262666 [2023-09-01 05:35:01,374 WARN L222 SmtUtils]: Spent 5.34s on a formula simplification that was a NOOP. DAG size: 941 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-09-01 05:35:06,704 WARN L222 SmtUtils]: Spent 5.32s on a formula simplification that was a NOOP. DAG size: 941 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-09-01 05:35:12,080 WARN L222 SmtUtils]: Spent 5.37s on a formula simplification that was a NOOP. DAG size: 941 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-09-01 05:35:17,528 WARN L222 SmtUtils]: Spent 5.44s on a formula simplification that was a NOOP. DAG size: 941 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-09-01 05:35:28,530 WARN L222 SmtUtils]: Spent 9.66s on a formula simplification that was a NOOP. DAG size: 1385 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-09-01 05:35:37,580 WARN L222 SmtUtils]: Spent 9.05s on a formula simplification that was a NOOP. DAG size: 1385 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-09-01 05:35:46,753 WARN L222 SmtUtils]: Spent 9.17s on a formula simplification that was a NOOP. DAG size: 1385 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-09-01 05:35:55,831 WARN L222 SmtUtils]: Spent 9.07s on a formula simplification that was a NOOP. DAG size: 1385 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-09-01 05:36:24,839 WARN L222 SmtUtils]: Spent 27.85s on a formula simplification that was a NOOP. DAG size: 2225 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-09-01 05:36:53,393 WARN L222 SmtUtils]: Spent 28.55s on a formula simplification that was a NOOP. DAG size: 2225 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-09-01 05:37:21,752 WARN L222 SmtUtils]: Spent 28.35s on a formula simplification that was a NOOP. DAG size: 2225 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-09-01 05:37:50,440 WARN L222 SmtUtils]: Spent 28.69s on a formula simplification that was a NOOP. DAG size: 2225 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-09-01 05:39:49,455 WARN L222 SmtUtils]: Spent 1.98m on a formula simplification that was a NOOP. DAG size: 2719 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Killed by 15