./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.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 overflows Using default analysis Version b5237d83 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_40e0f4ab-b231-47c3-95e9-414ac0724500/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40e0f4ab-b231-47c3-95e9-414ac0724500/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40e0f4ab-b231-47c3-95e9-414ac0724500/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40e0f4ab-b231-47c3-95e9-414ac0724500/bin/utaipan-g80aRyZoba/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_40e0f4ab-b231-47c3-95e9-414ac0724500/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40e0f4ab-b231-47c3-95e9-414ac0724500/bin/utaipan-g80aRyZoba --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 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-b5237d8 [2022-11-22 00:14:58,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:14:58,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:14:58,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:14:58,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:14:58,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:14:58,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:14:58,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:14:58,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:14:58,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:14:58,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:14:58,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:14:58,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:14:58,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:14:58,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:14:58,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:14:58,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:14:58,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:14:58,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:14:58,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:14:58,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:14:58,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:14:58,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:14:58,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:14:58,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:14:58,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:14:58,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:14:58,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:14:58,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:14:58,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:14:58,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:14:58,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:14:58,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:14:58,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:14:58,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:14:58,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:14:58,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:14:58,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:14:58,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:14:58,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:14:58,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:14:58,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40e0f4ab-b231-47c3-95e9-414ac0724500/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 00:14:58,584 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:14:58,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:14:58,585 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:14:58,585 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:14:58,585 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:14:58,586 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:14:58,586 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:14:58,586 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:14:58,586 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:14:58,587 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:14:58,587 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:14:58,587 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:14:58,587 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:14:58,587 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:14:58,588 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:14:58,588 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:14:58,588 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:14:58,588 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:14:58,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:14:58,589 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 00:14:58,589 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 00:14:58,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:14:58,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 00:14:58,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:14:58,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:14:58,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:14:58,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:14:58,595 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 00:14:58,595 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 00:14:58,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:14:58,596 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:14:58,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:14:58,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:14:58,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:14:58,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:14:58,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:14:58,597 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:14:58,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:14:58,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:14:58,598 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:14:58,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:14:58,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:14:58,598 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:14:58,598 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_40e0f4ab-b231-47c3-95e9-414ac0724500/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40e0f4ab-b231-47c3-95e9-414ac0724500/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d21289ad0260bc29d79b2bd61c2535ad4b8522ed30b4caa2844d314826a0bd1c [2022-11-22 00:14:58,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:14:58,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:14:58,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:14:58,913 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:14:58,913 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:14:58,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40e0f4ab-b231-47c3-95e9-414ac0724500/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2022-11-22 00:15:01,856 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:15:02,381 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:15:02,382 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40e0f4ab-b231-47c3-95e9-414ac0724500/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2022-11-22 00:15:02,415 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40e0f4ab-b231-47c3-95e9-414ac0724500/bin/utaipan-g80aRyZoba/data/af7949fb1/e3ee0d3e3c2c438da5286bb2e3234d03/FLAG67eb5c729 [2022-11-22 00:15:02,430 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40e0f4ab-b231-47c3-95e9-414ac0724500/bin/utaipan-g80aRyZoba/data/af7949fb1/e3ee0d3e3c2c438da5286bb2e3234d03 [2022-11-22 00:15:02,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:15:02,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:15:02,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:15:02,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:15:02,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:15:02,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:15:02" (1/1) ... [2022-11-22 00:15:02,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@593ef897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:02, skipping insertion in model container [2022-11-22 00:15:02,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:15:02" (1/1) ... [2022-11-22 00:15:02,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:15:02,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:15:04,595 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_40e0f4ab-b231-47c3-95e9-414ac0724500/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i[196530,196543] [2022-11-22 00:15:04,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:15:04,904 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:15:05,214 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_40e0f4ab-b231-47c3-95e9-414ac0724500/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i[196530,196543] [2022-11-22 00:15:05,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:15:05,360 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:15:05,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:05 WrapperNode [2022-11-22 00:15:05,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:15:05,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:15:05,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:15:05,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:15:05,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:05" (1/1) ... [2022-11-22 00:15:05,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:05" (1/1) ... [2022-11-22 00:15:05,661 INFO L138 Inliner]: procedures = 286, calls = 1704, calls flagged for inlining = 418, calls inlined = 483, statements flattened = 5821 [2022-11-22 00:15:05,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:15:05,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:15:05,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:15:05,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:15:05,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:05" (1/1) ... [2022-11-22 00:15:05,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:05" (1/1) ... [2022-11-22 00:15:05,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:05" (1/1) ... [2022-11-22 00:15:05,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:05" (1/1) ... [2022-11-22 00:15:05,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:05" (1/1) ... [2022-11-22 00:15:05,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:05" (1/1) ... [2022-11-22 00:15:05,817 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:05" (1/1) ... [2022-11-22 00:15:05,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:05" (1/1) ... [2022-11-22 00:15:05,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:15:05,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:15:05,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:15:05,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:15:05,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:05" (1/1) ... [2022-11-22 00:15:05,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:15:05,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40e0f4ab-b231-47c3-95e9-414ac0724500/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:15:05,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40e0f4ab-b231-47c3-95e9-414ac0724500/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:15:06,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40e0f4ab-b231-47c3-95e9-414ac0724500/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:15:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-22 00:15:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2022-11-22 00:15:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2022-11-22 00:15:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:15:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2022-11-22 00:15:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2022-11-22 00:15:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 00:15:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:15:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 00:15:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 00:15:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 00:15:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-22 00:15:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 00:15:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:15:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 00:15:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 00:15:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2022-11-22 00:15:06,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2022-11-22 00:15:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:15:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:15:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:15:06,052 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 00:15:06,881 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:15:06,896 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:15:12,419 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:15:12,455 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:15:12,455 INFO L300 CfgBuilder]: Removed 29 assume(true) statements. [2022-11-22 00:15:12,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:15:12 BoogieIcfgContainer [2022-11-22 00:15:12,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:15:12,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:15:12,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:15:12,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:15:12,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:15:02" (1/3) ... [2022-11-22 00:15:12,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51193fab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:15:12, skipping insertion in model container [2022-11-22 00:15:12,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:15:05" (2/3) ... [2022-11-22 00:15:12,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51193fab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:15:12, skipping insertion in model container [2022-11-22 00:15:12,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:15:12" (3/3) ... [2022-11-22 00:15:12,477 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2022-11-22 00:15:12,486 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 00:15:12,497 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:15:12,497 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 52 error locations. [2022-11-22 00:15:12,497 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 00:15:14,009 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2022-11-22 00:15:14,102 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 00:15:14,126 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 6706 places, 7022 transitions, 14080 flow [2022-11-22 00:15:14,134 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 6706 places, 7022 transitions, 14080 flow [2022-11-22 00:15:14,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 6706 places, 7022 transitions, 14080 flow [2022-11-22 00:15:36,252 INFO L130 PetriNetUnfolder]: 560/11041 cut-off events. [2022-11-22 00:15:36,252 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-22 00:15:36,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11064 conditions, 11041 events. 560/11041 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 58346 event pairs, 0 based on Foata normal form. 0/10385 useless extension candidates. Maximal degree in co-relation 10186. Up to 24 conditions per place. [2022-11-22 00:15:42,386 INFO L119 LiptonReduction]: Number of co-enabled transitions 16777442