./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_61e0e5ff-d04e-4eaa-bef6-7a8eee036704/bin/ugemcutter-AnMVkTqH3k/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e0e5ff-d04e-4eaa-bef6-7a8eee036704/bin/ugemcutter-AnMVkTqH3k/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e0e5ff-d04e-4eaa-bef6-7a8eee036704/bin/ugemcutter-AnMVkTqH3k/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e0e5ff-d04e-4eaa-bef6-7a8eee036704/bin/ugemcutter-AnMVkTqH3k/config/GemCutterReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e0e5ff-d04e-4eaa-bef6-7a8eee036704/bin/ugemcutter-AnMVkTqH3k/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e0e5ff-d04e-4eaa-bef6-7a8eee036704/bin/ugemcutter-AnMVkTqH3k --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4936125952f00e8b7bd10cd011fdd99ca1fa98c1dbf62cbf7f8d6248efd38f07 --- 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-8393723 [2022-11-18 01:49:00,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 01:49:00,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 01:49:00,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 01:49:00,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 01:49:00,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 01:49:00,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 01:49:00,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 01:49:00,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 01:49:00,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 01:49:00,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 01:49:00,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 01:49:00,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 01:49:00,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 01:49:00,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 01:49:00,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 01:49:00,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 01:49:00,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 01:49:00,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 01:49:00,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 01:49:00,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 01:49:00,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 01:49:00,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 01:49:00,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 01:49:00,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 01:49:00,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 01:49:00,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 01:49:00,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 01:49:00,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 01:49:00,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 01:49:00,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 01:49:00,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 01:49:00,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 01:49:00,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 01:49:00,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 01:49:00,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 01:49:00,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 01:49:00,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 01:49:00,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 01:49:00,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 01:49:00,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 01:49:00,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e0e5ff-d04e-4eaa-bef6-7a8eee036704/bin/ugemcutter-AnMVkTqH3k/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2022-11-18 01:49:00,318 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 01:49:00,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 01:49:00,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 01:49:00,322 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 01:49:00,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 01:49:00,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 01:49:00,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 01:49:00,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 01:49:00,325 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 01:49:00,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 01:49:00,327 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 01:49:00,327 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 01:49:00,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 01:49:00,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 01:49:00,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 01:49:00,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 01:49:00,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 01:49:00,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 01:49:00,329 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 01:49:00,329 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 01:49:00,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 01:49:00,329 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 01:49:00,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 01:49:00,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 01:49:00,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 01:49:00,330 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-18 01:49:00,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 01:49:00,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:49:00,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 01:49:00,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 01:49:00,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 01:49:00,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 01:49:00,334 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-18 01:49:00,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 01:49:00,335 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 01:49:00,335 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-18 01:49:00,335 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-18 01:49:00,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 01:49:00,336 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-18 01:49:00,336 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-18 01:49:00,336 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_61e0e5ff-d04e-4eaa-bef6-7a8eee036704/bin/ugemcutter-AnMVkTqH3k/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e0e5ff-d04e-4eaa-bef6-7a8eee036704/bin/ugemcutter-AnMVkTqH3k Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4936125952f00e8b7bd10cd011fdd99ca1fa98c1dbf62cbf7f8d6248efd38f07 [2022-11-18 01:49:00,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 01:49:00,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 01:49:00,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 01:49:00,682 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 01:49:00,683 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 01:49:00,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e0e5ff-d04e-4eaa-bef6-7a8eee036704/bin/ugemcutter-AnMVkTqH3k/../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i [2022-11-18 01:49:00,772 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e0e5ff-d04e-4eaa-bef6-7a8eee036704/bin/ugemcutter-AnMVkTqH3k/data/443299f80/f1304ee2141043778169ff3f68f188a7/FLAG11224ec0c [2022-11-18 01:49:01,694 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 01:49:01,695 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e0e5ff-d04e-4eaa-bef6-7a8eee036704/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i [2022-11-18 01:49:01,747 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e0e5ff-d04e-4eaa-bef6-7a8eee036704/bin/ugemcutter-AnMVkTqH3k/data/443299f80/f1304ee2141043778169ff3f68f188a7/FLAG11224ec0c [2022-11-18 01:49:02,175 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e0e5ff-d04e-4eaa-bef6-7a8eee036704/bin/ugemcutter-AnMVkTqH3k/data/443299f80/f1304ee2141043778169ff3f68f188a7 [2022-11-18 01:49:02,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 01:49:02,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 01:49:02,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 01:49:02,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 01:49:02,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 01:49:02,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:49:02" (1/1) ... [2022-11-18 01:49:02,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@120662de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:02, skipping insertion in model container [2022-11-18 01:49:02,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:49:02" (1/1) ... [2022-11-18 01:49:02,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 01:49:02,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 01:49:05,009 WARN L234 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_61e0e5ff-d04e-4eaa-bef6-7a8eee036704/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i[295890,295903] [2022-11-18 01:49:05,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:49:05,604 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 01:49:06,084 WARN L234 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_61e0e5ff-d04e-4eaa-bef6-7a8eee036704/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i[295890,295903] [2022-11-18 01:49:06,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:49:06,297 INFO L208 MainTranslator]: Completed translation [2022-11-18 01:49:06,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:06 WrapperNode [2022-11-18 01:49:06,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 01:49:06,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 01:49:06,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 01:49:06,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 01:49:06,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:06" (1/1) ... [2022-11-18 01:49:06,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:06" (1/1) ... [2022-11-18 01:49:07,016 INFO L138 Inliner]: procedures = 398, calls = 2132, calls flagged for inlining = 747, calls inlined = 2021, statements flattened = 20547 [2022-11-18 01:49:07,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 01:49:07,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 01:49:07,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 01:49:07,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 01:49:07,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:06" (1/1) ... [2022-11-18 01:49:07,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:06" (1/1) ... [2022-11-18 01:49:07,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:06" (1/1) ... [2022-11-18 01:49:07,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:06" (1/1) ... [2022-11-18 01:49:07,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:06" (1/1) ... [2022-11-18 01:49:07,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:06" (1/1) ... [2022-11-18 01:49:07,670 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:06" (1/1) ... [2022-11-18 01:49:07,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:06" (1/1) ... [2022-11-18 01:49:07,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 01:49:07,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 01:49:07,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 01:49:07,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 01:49:07,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:06" (1/1) ... [2022-11-18 01:49:07,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:49:07,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e0e5ff-d04e-4eaa-bef6-7a8eee036704/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:49:07,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e0e5ff-d04e-4eaa-bef6-7a8eee036704/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 01:49:07,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e0e5ff-d04e-4eaa-bef6-7a8eee036704/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 01:49:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2022-11-18 01:49:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2022-11-18 01:49:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_6 [2022-11-18 01:49:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_6 [2022-11-18 01:49:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 01:49:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 01:49:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 01:49:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 01:49:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 01:49:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 01:49:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_scenario_5 [2022-11-18 01:49:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_scenario_5 [2022-11-18 01:49:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_instance_4 [2022-11-18 01:49:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_instance_4 [2022-11-18 01:49:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 01:49:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 01:49:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_random_allocationless_scenario_3 [2022-11-18 01:49:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_random_allocationless_scenario_3 [2022-11-18 01:49:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 01:49:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 01:49:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 01:49:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 01:49:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 01:49:08,028 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 01:49:08,950 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 01:49:08,952 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 01:49:27,587 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 01:49:27,710 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 01:49:27,710 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 01:49:27,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:49:27 BoogieIcfgContainer [2022-11-18 01:49:27,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 01:49:27,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 01:49:27,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 01:49:27,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 01:49:27,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:49:02" (1/3) ... [2022-11-18 01:49:27,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5981e6d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:49:27, skipping insertion in model container [2022-11-18 01:49:27,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:49:06" (2/3) ... [2022-11-18 01:49:27,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5981e6d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:49:27, skipping insertion in model container [2022-11-18 01:49:27,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:49:27" (3/3) ... [2022-11-18 01:49:27,750 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--net--irda--nsc-ircc.ko.cil.i [2022-11-18 01:49:27,766 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 01:49:27,778 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 01:49:27,779 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1348 error locations. [2022-11-18 01:49:27,779 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 01:49:33,418 INFO L144 ThreadInstanceAdder]: Constructed 109 joinOtherThreadTransitions. [2022-11-18 01:49:34,652 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:49:34,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-18 01:49:34,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e0e5ff-d04e-4eaa-bef6-7a8eee036704/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:49:34,659 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e0e5ff-d04e-4eaa-bef6-7a8eee036704/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-18 01:49:34,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61e0e5ff-d04e-4eaa-bef6-7a8eee036704/bin/ugemcutter-AnMVkTqH3k/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-18 01:49:34,760 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-18 01:49:34,776 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ldv_random_allocationless_scenario_3Thread1of1ForFork5 ======== [2022-11-18 01:49:34,784 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7584f9f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 01:49:34,784 INFO L358 AbstractCegarLoop]: Starting to check reachability of 184 error locations.