./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c10e8d3-d914-4ab1-9349-9f0b295f7b8d/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c10e8d3-d914-4ab1-9349-9f0b295f7b8d/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c10e8d3-d914-4ab1-9349-9f0b295f7b8d/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c10e8d3-d914-4ab1-9349-9f0b295f7b8d/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c10e8d3-d914-4ab1-9349-9f0b295f7b8d/bin/utaipan-6cKwYrpEi9/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c10e8d3-d914-4ab1-9349-9f0b295f7b8d/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d21289ad0260bc29d79b2bd61c2535ad4b8522ed30b4caa2844d314826a0bd1c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:57:43,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:57:43,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:57:43,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:57:43,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:57:43,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:57:43,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:57:43,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:57:43,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:57:43,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:57:43,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:57:43,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:57:43,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:57:43,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:57:43,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:57:43,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:57:43,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:57:43,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:57:43,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:57:43,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:57:43,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:57:43,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:57:43,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:57:43,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:57:43,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:57:43,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:57:43,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:57:43,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:57:43,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:57:43,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:57:43,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:57:43,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:57:43,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:57:43,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:57:43,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:57:43,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:57:43,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:57:43,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:57:43,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:57:43,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:57:43,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:57:43,578 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c10e8d3-d914-4ab1-9349-9f0b295f7b8d/bin/utaipan-6cKwYrpEi9/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-20 18:57:43,635 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:57:43,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:57:43,636 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 18:57:43,636 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 18:57:43,637 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:57:43,638 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 18:57:43,638 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 18:57:43,638 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 18:57:43,638 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 18:57:43,639 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 18:57:43,640 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 18:57:43,640 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 18:57:43,640 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 18:57:43,641 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 18:57:43,641 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 18:57:43,641 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 18:57:43,641 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 18:57:43,642 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 18:57:43,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:57:43,643 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:57:43,643 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:57:43,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:57:43,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:57:43,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:57:43,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:57:43,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:57:43,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:57:43,645 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 18:57:43,645 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:57:43,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:57:43,646 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:57:43,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:57:43,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:57:43,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 18:57:43,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 18:57:43,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:57:43,647 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 18:57:43,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:57:43,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:57:43,648 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 18:57:43,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:57:43,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:57:43,657 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 18:57:43,657 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c10e8d3-d914-4ab1-9349-9f0b295f7b8d/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c10e8d3-d914-4ab1-9349-9f0b295f7b8d/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d21289ad0260bc29d79b2bd61c2535ad4b8522ed30b4caa2844d314826a0bd1c [2022-11-20 18:57:43,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:57:44,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:57:44,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:57:44,075 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:57:44,076 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:57:44,077 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c10e8d3-d914-4ab1-9349-9f0b295f7b8d/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2022-11-20 18:57:47,224 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:57:47,784 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:57:47,785 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c10e8d3-d914-4ab1-9349-9f0b295f7b8d/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2022-11-20 18:57:47,826 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c10e8d3-d914-4ab1-9349-9f0b295f7b8d/bin/utaipan-6cKwYrpEi9/data/0e990e0f8/c795c35ce745488eac45c60580c92d39/FLAG96535b8e3 [2022-11-20 18:57:47,842 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c10e8d3-d914-4ab1-9349-9f0b295f7b8d/bin/utaipan-6cKwYrpEi9/data/0e990e0f8/c795c35ce745488eac45c60580c92d39 [2022-11-20 18:57:47,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:57:47,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:57:47,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:57:47,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:57:47,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:57:47,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:57:47" (1/1) ... [2022-11-20 18:57:47,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b908b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:47, skipping insertion in model container [2022-11-20 18:57:47,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:57:47" (1/1) ... [2022-11-20 18:57:47,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:57:47,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:57:49,910 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c10e8d3-d914-4ab1-9349-9f0b295f7b8d/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i[196530,196543] [2022-11-20 18:57:50,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:57:50,166 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:57:50,704 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c10e8d3-d914-4ab1-9349-9f0b295f7b8d/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i[196530,196543] [2022-11-20 18:57:50,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:57:50,832 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:57:50,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50 WrapperNode [2022-11-20 18:57:50,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:57:50,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:57:50,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:57:50,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:57:50,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50" (1/1) ... [2022-11-20 18:57:50,970 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50" (1/1) ... [2022-11-20 18:57:51,316 INFO L138 Inliner]: procedures = 286, calls = 1704, calls flagged for inlining = 418, calls inlined = 483, statements flattened = 8210 [2022-11-20 18:57:51,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:57:51,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:57:51,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:57:51,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:57:51,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50" (1/1) ... [2022-11-20 18:57:51,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50" (1/1) ... [2022-11-20 18:57:51,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50" (1/1) ... [2022-11-20 18:57:51,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50" (1/1) ... [2022-11-20 18:57:51,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50" (1/1) ... [2022-11-20 18:57:51,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50" (1/1) ... [2022-11-20 18:57:51,835 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50" (1/1) ... [2022-11-20 18:57:51,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50" (1/1) ... [2022-11-20 18:57:51,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:57:51,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:57:51,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:57:51,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:57:51,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50" (1/1) ... [2022-11-20 18:57:51,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 18:57:51,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c10e8d3-d914-4ab1-9349-9f0b295f7b8d/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 18:57:51,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c10e8d3-d914-4ab1-9349-9f0b295f7b8d/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 18:57:51,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c10e8d3-d914-4ab1-9349-9f0b295f7b8d/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 18:57:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-20 18:57:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2022-11-20 18:57:52,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2022-11-20 18:57:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:57:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2022-11-20 18:57:52,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2022-11-20 18:57:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 18:57:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:57:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 18:57:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:57:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:57:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 18:57:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 18:57:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:57:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 18:57:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 18:57:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2022-11-20 18:57:52,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2022-11-20 18:57:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:57:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:57:52,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:57:52,015 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 18:57:52,885 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:57:52,886 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:58:02,410 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:58:02,464 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:58:02,465 INFO L300 CfgBuilder]: Removed 29 assume(true) statements. [2022-11-20 18:58:02,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:58:02 BoogieIcfgContainer [2022-11-20 18:58:02,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:58:02,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 18:58:02,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 18:58:02,488 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 18:58:02,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:57:47" (1/3) ... [2022-11-20 18:58:02,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f9e27be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:58:02, skipping insertion in model container [2022-11-20 18:58:02,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:50" (2/3) ... [2022-11-20 18:58:02,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f9e27be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:58:02, skipping insertion in model container [2022-11-20 18:58:02,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:58:02" (3/3) ... [2022-11-20 18:58:02,495 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2022-11-20 18:58:02,506 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 18:58:02,519 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 18:58:02,519 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 417 error locations. [2022-11-20 18:58:02,519 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 18:58:05,011 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2022-11-20 18:58:05,164 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-20 18:58:05,189 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 9466 places, 9782 transitions, 19600 flow [2022-11-20 18:58:05,196 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 9466 places, 9782 transitions, 19600 flow [2022-11-20 18:58:05,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 9466 places, 9782 transitions, 19600 flow [2022-11-20 18:58:59,540 INFO L130 PetriNetUnfolder]: 560/16011 cut-off events. [2022-11-20 18:58:59,541 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-20 18:59:01,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16034 conditions, 16011 events. 560/16011 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 93800 event pairs, 0 based on Foata normal form. 0/14699 useless extension candidates. Maximal degree in co-relation 15156. Up to 24 conditions per place.