./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6de0eb-1895-45e7-bca8-3bfba7e71b6b/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6de0eb-1895-45e7-bca8-3bfba7e71b6b/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6de0eb-1895-45e7-bca8-3bfba7e71b6b/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6de0eb-1895-45e7-bca8-3bfba7e71b6b/bin/utaipan-Q6hlc19bkW/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_ec6de0eb-1895-45e7-bca8-3bfba7e71b6b/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6de0eb-1895-45e7-bca8-3bfba7e71b6b/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer 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-4e7fbc6 [2022-11-23 14:43:41,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:43:41,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:43:41,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:43:41,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:43:41,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:43:41,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:43:41,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:43:41,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:43:41,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:43:41,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:43:41,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:43:41,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:43:41,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:43:41,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:43:41,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:43:41,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:43:41,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:43:41,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:43:41,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:43:41,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:43:41,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:43:41,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:43:41,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:43:41,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:43:41,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:43:41,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:43:41,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:43:41,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:43:41,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:43:41,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:43:41,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:43:41,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:43:41,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:43:41,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:43:41,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:43:41,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:43:41,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:43:41,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:43:41,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:43:41,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:43:41,893 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6de0eb-1895-45e7-bca8-3bfba7e71b6b/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 14:43:41,938 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:43:41,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:43:41,939 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:43:41,939 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:43:41,940 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:43:41,940 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:43:41,940 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:43:41,941 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:43:41,941 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:43:41,941 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:43:41,942 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:43:41,943 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:43:41,943 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:43:41,943 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:43:41,943 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:43:41,944 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:43:41,944 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:43:41,944 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:43:41,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:43:41,945 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:43:41,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:43:41,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:43:41,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:43:41,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:43:41,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:43:41,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:43:41,947 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:43:41,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:43:41,947 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:43:41,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:43:41,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:43:41,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:43:41,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:43:41,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:43:41,949 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:43:41,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:43:41,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:43:41,950 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:43:41,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:43:41,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:43:41,950 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:43:41,951 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_ec6de0eb-1895-45e7-bca8-3bfba7e71b6b/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6de0eb-1895-45e7-bca8-3bfba7e71b6b/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d21289ad0260bc29d79b2bd61c2535ad4b8522ed30b4caa2844d314826a0bd1c [2022-11-23 14:43:42,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:43:42,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:43:42,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:43:42,292 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:43:42,293 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:43:42,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6de0eb-1895-45e7-bca8-3bfba7e71b6b/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2022-11-23 14:43:45,341 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:43:45,862 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:43:45,863 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6de0eb-1895-45e7-bca8-3bfba7e71b6b/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2022-11-23 14:43:45,911 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6de0eb-1895-45e7-bca8-3bfba7e71b6b/bin/utaipan-Q6hlc19bkW/data/99a92df68/e807e3d466a54652a5d63bc514a930d6/FLAGc06b31ef6 [2022-11-23 14:43:45,930 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6de0eb-1895-45e7-bca8-3bfba7e71b6b/bin/utaipan-Q6hlc19bkW/data/99a92df68/e807e3d466a54652a5d63bc514a930d6 [2022-11-23 14:43:45,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:43:45,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:43:45,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:43:45,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:43:45,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:43:45,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:43:45" (1/1) ... [2022-11-23 14:43:45,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74b6b1a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:45, skipping insertion in model container [2022-11-23 14:43:45,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:43:45" (1/1) ... [2022-11-23 14:43:45,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:43:46,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:43:47,866 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_ec6de0eb-1895-45e7-bca8-3bfba7e71b6b/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i[196530,196543] [2022-11-23 14:43:48,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:43:48,095 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:43:48,391 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_ec6de0eb-1895-45e7-bca8-3bfba7e71b6b/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i[196530,196543] [2022-11-23 14:43:48,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:43:48,490 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:43:48,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:48 WrapperNode [2022-11-23 14:43:48,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:43:48,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:43:48,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:43:48,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:43:48,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:48" (1/1) ... [2022-11-23 14:43:48,587 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:48" (1/1) ... [2022-11-23 14:43:48,893 INFO L138 Inliner]: procedures = 286, calls = 1704, calls flagged for inlining = 418, calls inlined = 483, statements flattened = 5769 [2022-11-23 14:43:48,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:43:48,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:43:48,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:43:48,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:43:48,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:48" (1/1) ... [2022-11-23 14:43:48,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:48" (1/1) ... [2022-11-23 14:43:48,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:48" (1/1) ... [2022-11-23 14:43:48,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:48" (1/1) ... [2022-11-23 14:43:49,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:48" (1/1) ... [2022-11-23 14:43:49,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:48" (1/1) ... [2022-11-23 14:43:49,115 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:48" (1/1) ... [2022-11-23 14:43:49,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:48" (1/1) ... [2022-11-23 14:43:49,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:43:49,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:43:49,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:43:49,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:43:49,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:48" (1/1) ... [2022-11-23 14:43:49,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:43:49,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6de0eb-1895-45e7-bca8-3bfba7e71b6b/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:43:49,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6de0eb-1895-45e7-bca8-3bfba7e71b6b/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:43:49,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec6de0eb-1895-45e7-bca8-3bfba7e71b6b/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:43:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-23 14:43:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2022-11-23 14:43:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2022-11-23 14:43:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:43:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2022-11-23 14:43:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2022-11-23 14:43:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:43:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:43:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 14:43:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:43:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:43:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 14:43:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:43:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:43:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:43:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 14:43:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2022-11-23 14:43:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2022-11-23 14:43:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:43:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:43:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:43:49,261 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 14:43:49,826 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:43:49,828 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:43:54,841 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:43:54,869 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:43:54,869 INFO L300 CfgBuilder]: Removed 29 assume(true) statements. [2022-11-23 14:43:54,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:43:54 BoogieIcfgContainer [2022-11-23 14:43:54,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:43:54,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:43:54,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:43:54,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:43:54,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:43:45" (1/3) ... [2022-11-23 14:43:54,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c578c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:43:54, skipping insertion in model container [2022-11-23 14:43:54,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:48" (2/3) ... [2022-11-23 14:43:54,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c578c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:43:54, skipping insertion in model container [2022-11-23 14:43:54,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:43:54" (3/3) ... [2022-11-23 14:43:54,885 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2022-11-23 14:43:54,894 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 14:43:54,905 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:43:54,906 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:43:54,906 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 14:43:56,289 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2022-11-23 14:43:56,395 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 14:43:56,415 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 6603 places, 6919 transitions, 13874 flow [2022-11-23 14:43:56,420 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 6603 places, 6919 transitions, 13874 flow [2022-11-23 14:43:56,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 6603 places, 6919 transitions, 13874 flow [2022-11-23 14:44:19,703 INFO L130 PetriNetUnfolder]: 560/10863 cut-off events. [2022-11-23 14:44:19,703 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-23 14:44:20,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10886 conditions, 10863 events. 560/10863 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 56799 event pairs, 0 based on Foata normal form. 0/10295 useless extension candidates. Maximal degree in co-relation 10008. Up to 24 conditions per place. [2022-11-23 14:44:25,615 INFO L119 LiptonReduction]: Number of co-enabled transitions 16242248